Spectroid APK

Version 1.1.1 - org.intoorbit.spectrum
Last updated: 2019-11-09 19:35:25

Audio Spectrum Analyzer

APP Information

App Download Version1.1.1 (29)
Updated2019-11-09 19:35:25
Apk Size113.26 KB
App DeveloperCarl Reinke
Malware CheckTRUSTED
Install on Android4.0.x and up
App Packageorg.intoorbit.spectrum.apk
Website https://plus.google.com/communities/103947229376375759050

Download Spectroid 1.1.1 APK

App Description

Spectroid is intoorbit,spectrum,tools,spectroid, content rating is Everyone (PEGI-3). This app is rated 4 by 2 users who are using this app. To know more about the company/developer, visit Carl Reinke website who developed it. org.intoorbit.spectrum.apk apps can be downloaded and installed on Android 4.0.x and higher Android devices. The Latest Version of 1.1.1 Available for download. Download the app using your favorite browser and click Install to install the application. Please note that we provide both basic and pure APK files and faster download speeds than Spectroid APK Mirror. This app APK has been downloaded 1128+ times on store. You can also download org.intoorbit.spectrum APK and run it with the popular Android Emulators.

Spectroid is a real-time audio spectrum analyzer with reasonable frequency resolution across the the entire frequency spectrum.

💬 FAQ 💬

Q: Why are the dB values negative?
A: Spectroid uses dBFS (Full Scale) where 0 dB is the maximum power that the microphone can measure, so the decibel values are negative because the measured power is less than the maximum power.

Q: Can I zoom in on the spectrum plot?
A: Yes, do a two-finger pinch-to-zoom gesture.

Q: Why are there discontinuities/gaps in the spectrum plot and waterfall?
A: Spectroid uses multiple FFTs overlapped in frequency in order to provide better frequency resolution at lower frequencies than a single FFT. The caveat of this method is varied impulse response and minor discontinuities in frequency. The upside is that it can efficiently produce a spectrum that better matches the frequency resolution of human audio perception. It's still probably not as good as your ears though!

App ChangeLog

  • Fix missing spectrum plot on Android P.

App Screens

Spectroid Screenshot 1Spectroid Screenshot 2Spectroid Screenshot 3

Reviews From google play store

I just used it to check if my external microphone is working or not and didn't want to install others that seemed bloated. This is an extremely light app and the Spectrum display was useful to isolate internal vs external mic input. Those who wrote complain about spam caused by this app or total Android newbs and just plain paranoid. This app only gets access for recording audio, so can't get access to your phone number and cause spam.

Hello! First let me tell you that I love your app and it is very useful for me. I wish to ask you a personal favour which could lead to improve even more the application. 1) please accept input not only by microphone but also from the phone sensors like the accelerometer, the gyroscope and even the compass (if present) the "noise" of the accelerometer (combining the 3 axys on different frequency ranges perhaps) could be very useful to diagnose vibrations, eartquakes or any sort of thing. same goes for all the other sensors. It seems complex but is very easy to read the sensors and just put the sensor reading in an array which is then fed to the FFT routine. 2) the waterfall seems slow... or not much readable, would be better to allow a zoom function like you did with the frequency display above. Alternatevely you can make it dependent on FFT size.. because the smaller that is the more "samples" you get. Thanks for reading.

Really great app, it does what it should. Just one question, why is the db scale reversed and starting from around -120? Wouldn't it be better to start from 0 and then go to positive values? Edit: Ok I see it in the FAQ. In that case how do I know my own phone's 0? I guess it is around 120 but would like to know it exactly.

I don't usually bother rating apps, but this is excellent. The ability to zoom to any portion of the chart and see meaningful level of detail even in the low bass region makes it hands down the most useful RTA I've seen. The only request I would make is for an iOS / iPadOS version too! (And maybe, for ultimate fanciness, the addition of IIR/FIR function could allow microphone calibration data, ambient noise exclusion etc, but maybe not, as bloat kills, and right now it's superb!) Thank you!

Very nice app, but I'm looking for a horizontally-scrolling spectrograph and this does not have that option. Would be a solid five stars with that option and the ability to hide the oscilloscope.

This is an awesome program. I am doing some audio visualization animation and am looking for a song to feed into it that will drive it right. The only issue I am having is that I can't see the whole frequency range. I need linear scale and for some reason can only see from 1.5kHz to 4kHz. What setting am I missing?

Spectroid is THE STRAIGHT-DOPE BUSINESS! I have scarce used an app so well designed and executed. I love the configurability of this app, which runs stably and never quits on me no matter how demanding my configuration options might be on my phone's processor. This is my go-to tool whenever investigating problematic acoustics or quickly spotting any unwanted, incidental harmonics in a music mix. Heck, I even use it to explore the sonic phenomenon around me. This is THE BEST SPECTRAL TOOL!

Excellent graphical analysis and visuals. Response time is also very good. This app does exactly what it's suppose to do. Totally recommended!

Awesome app. The devolver made an awesome job in delivering such an app, and even for free. You can't ask more, except to please keep it this way.

Absolutely the best app and I have been looking. I use it to check the frequency response for guitars to "see" the quality and make comparisons. I recently bought a guitar before prior to app. it was the only guitar that they had that worked for me but I suspected it was not all that good. After the app. I confirmed my suspicions AND now I know WHAT the problem is too. I will not buy another instrument without this app. Need to record files and display them together. Please?

Easy to use. Clear default display and flexible settings (if you know something about FFT). Only a minor nag (at least on a S9): even with 96kHz sampling rate, there's a brick wall filter at 24kHz - it could be raised to 48.

This app works very smoothly and displays clear, easy to understand information. It's an ideal app in my opinion.

Exactly what I was looking for! Much easier to tune out excessive frequency amplitude with this visual analyser. Thank you developers! 😍

Literally the best app I have downloaded in a while. I have had a bad history with android apps. They are no where near iOS apps quality. This app is different. It works so well and is perfectly accurate. Everything is perfect. It has everything I would have wanted as well as one more thing. Usually I always have to go and tweak the settings in apps to make them better. This is the first app which I tried so hard to find a setting to change and found nothing

Wow just wow! Ive Check with wave generation with 500 euro speakers, and it was accurate on the point! For an app this is amazing!

For those curious the only permissions this app asked for is microphone and that's it. I work in a shop and could get a visual representation of noise and frequencies most common. I find it useful

within 20 mins got 'congratulations Virgin mobile user...you've been selected to win...' SPAM SPAM SPAM popups in facebook and elsewhere. Really sad as app looked good but had to uninstall straight away. And no, I'm not on virgin mobile... (if the spam had actually accessed my number it would have tailored the offer to reflect my carrier; it didn't. it was just a blanket spam hoping to trick Virgin users...). No spam since I uninstalled it. Might try it again after a few updates.

Works perfectly fine, not sure why idiots are blaming the app for causing them to get ads and spam calls when the only permission the app has is for the microphone to record the audio.

Holy spam batman! I should have paid attention to the reviews that co.plained about getting spam calls after installing this app. Less than 6 hours after installing it, I got my first one. I have been getting 4-5 spam calls a day since. I haven't installed anything else or signed up for anything elsewhere so it has to be this developer selling phone numbers to marketers. I've uninstalled but the damage is done. I would avoid if I were you. The app is good, the spam calls, not good...

A simple app that does the job well and is functional, in a simple and useful format. Not much flexibility, not a lot of options, no useless junk.

Hello I want to request a feature It would be extremely nice if i could give aliases or names to specific frequencies. It would also be amazing if I could see what musical notes are being played. Thank you so much

First impression is really positive. Very good response time and a nice visualization of the audio spectrum.

Great! Two things missing: time scale on the waterfall display and ability to save the audio that is visible on the waterfall display.

Nailed the noise source of an irritating power supply. Also, what spam? This app has microphone permission, that's it.

The waterfall visualisation is great. Though i would like a save it as an image. Can you please add such a feature ?

With my smartphone I can do something that required specialized equipment that costs $$$ just a few years ago. Amazing

Nice. Up-shift/down-shift would be nicer. Recording too. BTW: The sampling rate and fft size seams to be different for 0-350hz, 350-750, 750-1500, 1500-3000, 3000-6000 and so on. Why? There is a whole second in display delay time between 6khz and say 50hz.

Good graphics and functions but it does not create the tones via my Moto g7 loudspeaker so not so helpful for checking room resonances

Detailed spectrum analyser with powerful settings for choosing how there audio data is processed and displayed. Very handy!

Brilliant piece of work. Couldn't really believe that an apk this small (90kB) can do what it is doing.

Thanks for such a great app! Beautiful GUI. *10052019 edit* OMG! The GUI also zooms to dB and Hz (essentially the x & y coordinates)- virtually editing out noise and extraneous information. Super handy for an audio nerd. Highly recommend!

lAWESOME!@!! lol actually tests up to 48Khz, dunno where these folk see 10Khz max ....try moving the frequency marker all the way to the right.....

This app is really good, just used it to verify my sound bar via fixed tone, sweeper and white noise.

I lost much of my hearing so I used this app to augment what remains. I really appreciate having the waterfall display and being able to adjust the settings so much. 5 stars and thank you for making it.

Great and fast spectrometer. Only thing that would be nice is being able to set the 0db mark

Just works. Spectogram/fourier transform result can be seen real time and as a time-freq-intensity heatmap

Looks awesome with certain types of music. Any music with a piano or harmonic type instrument shows up clearly when you use it. Kicks, snares, claps, and hi hats as well, if you know what to look for. Very useful in eyeballing certain melodies of songs if you can't pick which notes are played in your head. Useful and fun. Also note: the quality of the visualization is directly proportional to the microphone quality, distance from sound, and the volume of sound.

Fun and pretty. If I get around to playing with sounds on the computer again, it will also be useful. There are lots of features that it doesn't have that would be nice, but it's neat for what it does.

How is this accurate if most music is released at 440 hz and it detects it at 51hz lol? Dosent seam accurate

Perfect. No ads. No distractions. It does exactly what it says - and very well. (It's also EXTREMELY useful for anyone experiencing auditory hallucinations. As long as I'm not in a very noisy place, I can determine what's in the consensus reality and what's in my private realities.) I'll be recommending this to others. Thank you!

As a part time audio engineer, this is great for me. I tried it with a couple of other similar apps, and this one seemed to be the cleanest, most precise, and reliable. Awesome when I need a little help nailing down a feedback frequency or hiss in a new microphone 4 stars because I can only seem to get it to register up to 24kHz, when I need it up to 28kHz. Also would be nice to be able to export the data. Small complaints for a great app though.

wow!! this app is just phenomenal!! i downloaded a frequency generator on another phone and player tones with random frequencies and this app showed that they were within 3-4 Hz accuracy... I'm very impressed...good job 👍

This is great software man. Maybe one feature that would be great unless I have missed something, is a logging feature that maybe records sound as it analyses the audio. Maybe then SQL lite write to the local storage of the phone to be able to play back then read the analysis again. Honestly I would pay $$$ for that. Hahaha. Overall amazing app my friend!

Great app. It would be nice to be able to flatten the graph - take a reference in a quiet place and apply it to equalize/subtract the phone self noise. Ow and maybe peak walking - sort peaks by db and move to next peak by preasing + or - icon.the cursor is nice but it's hard to read harmonics - yoy have to place it exactly on the peak, which is not that easy. Keep up the good work. If you make a paid app for $4- 5 that has these features I would buy it

can this damage your phone's microphone? i used this a lot on my other phone and the mic died eventually. i am wondering if this app caused that. can you provide some insight? thank you

Seems really good. I cant figure out how to save the recording to my phone.

I have been using this app for about 2 months to analyze a varying high frequency noise through the interior and exterior of my home and capture the db levels. I was surprised that it measures the frequency levels also! however, it would be extremely germane to my needs if the recording was also audible. It does not interface with a player to hear the sounds it records. I hope you work on that.

I really like this app, the graphic plot is very fast reacting and it's really interesting to see the sounds around you presented in this way

Very interesting app. tested with Samsung S9, audio gen and speaker. With this setup, read within 2hz from 114hz to 20khz according to signal gen. Great freq range for phones microphone.

unfortunately sounds that i knew for a fact were 432 were being reported as 431. another app (sound analyzer) reports the correct frequency. if you can fix the accuracy, I'll review again, but i consider it broke if it gives false readings

Seems to work pretty well and is very easy to operate. I will use it in an upcoming test to see how accurate and responsive it is. I don't see a way to have it record the audio track, that would be helpful. It would also be nice to be able to get the data from the spectrum and / or time history out to a text file. The only other thing that would be nice is to play the file back for review and to allow the speaker to also play back the audio and spectrum. I wished the test audio played through the speaker, as well. Great tool!

Better that expected tho, the mic on my phone is better that usual. I wish it would update screen off but that's not a real setback, really.

Include the range selector to see a paricular range of frequency. It will be helpful .

This has to be one of the cleanest, most useful apps I have ever used. Great for just getting a general idea of what is happening with speaker setups. Used this last night at a live cafe setup to help zero in on some problem frequencies, and give confirmation of an EQ cut. Thank you so much for this!

There are few apps that I have reviewed since the 2007-Current that I would ever give 5 stars. This definitely counts. Its content alone you will find first hand.

Agree with all the other reviews, this is the best spectrum analyzer app on the play store! Dear dev, PLEASE add the ability to analyze audio files on local storage! One major use I and a whole community I'm familiar with online uses spectrum analyzers to validate that music in FLAC format is not just a mp3 upconverted to flac format which you can easily see right away based on the high frequency roll off. Even just a 1:1 play through with no rewind/ff would be wonderful!

Awesome. Very useful for electronics and mechanical engineering troubleshooting. pretty accurate and looks cool!

Incredible app.... Probably the most useful app in this whole online store. Does exactly what it's supposed to. No ads annoy you. Lots of great features most would never understand unless you are an electrical engineer or audio engineer. Really stellar job with this app. Very accurate and you can use other mics then the one on your device.

I like the app but there are 5 bands of frequency that are missing: 370-420hz, 750-845hz,1500-1700hz, 3000-3375hz, 6000-6750hz.

Had slight glitch with my phone where when I turned it widescreen it froze. Seemed to have resolved with an uninstall and multiple restarts before reinstalling.

I'm seriously impressed with this app... I've been hunting for a way to measure engine revs, and this does the job beautifully... much better than any of the apps designed for the job. You do have to know what to look for, and how to calculate revs based on engine configuration, but once you know that, this works perfectly.

Does one thing and does it well. Clear and simple interface. Thanks for this.

Awesome display of your sound environment. The peak level is super useful to fine tune your white noise app.

Best frequency detector ever. best app ever. thank you.

Exactly what I was looking for: simple and clear interface, solid app!

It looks pretty awesome, and seems to be very sensitive. I downloaded Spectroid because so many people commented that it was probably the most useful app in the entire app store, but that is lost on me. Would anyone mind giving me a few examples of what you could use this for in real life, please? I'm sure there are tons of things I can do now, but I have no idea what they are. 😳

Very nice and simple! Some things I had trouble with were: 1) switching to 96kHz sampling doesnt work (maybe it is not supported by my phone - SGS9) 2) change from log to linear X axis scale has no effect until the application is restarted. 3) increasing the number of FFT bins freezes the display completely

Brilliant app for measuring my DIY loudspeakers frequency response in real time. Superb. Many thanks.

At first I thought this was fake, but I finally found a way to test it and by having my phone pick up audio from "My Song In Spectrogram" by Ryan Wyer. However, I'm not sure if it's my phone's mic or the app or something else but it shows a small picture. Sure, most phones aren't bigger than 6 inches but I feel like for this, there should be a way to replay the imaging and make it bigger

fast & no nonsense, could use musical scale support above the waterfall

Amazing. Works great, right out of the box. I'm astounded this is completely free.

This is the best I have come across. The features are very useful. Was a lot of help with getting my home studio setup. The hold peak indication is great if you are trying to match levels in a specific sitting area.

Better than my paid analyzer app. More useful display and great to play around with in real time... Thank you for the beautiful present to your fellow human beans ;-)

Super cool spectrum analyzer, wish it went to 20 or 40khz on my phone but otherwise amazing

Technical detail to keep in mind: waterfall display is not time accurate. Under certain settings, low frequency area can be several tens of seconds out of sync with high frequency area on the same axis. Otherwise, settings left at defaults, app is somewhat useful.

Super cool! I like playing around with overtones and stuff, and this is a really cool way to visualize it!

Excellent app. Does exactly what it says with a simple clear interface. One request would be the ability to stop the acquisition and display that spectrum as a reference instead of the peak signal. Nice, useful program!

AMAZING! My phone is no power house yet this app rOcKs its gpu. Some how squeezing high end graphics out of a average ho-hum phone. Fantastic & impeccable representation of audio signals (up to a advertised 48klz). Color me impressed! Thank you. And feel free to take the weekend off :)

This is an EXCELLENT app. Written VERY well with super quick real-time graphics. This app helped tremendously with adjusting my new a/v receiver in finding the frequency of a standing wave making my bass sound too booming. Being able to pinch zoom in on any frequency range is extremely helpful. Good job!

Beautifully presented app and a lot of fun. I keep thinking of new ways to use the data. present version has a small bug (on my phone anyway) if I don't turn off autorotation then the frequency amplitude heatmap /time trace is lost on rotation to landscape and not restored on return.

I was dissapointed that there was no way to change the frequency thresholds. I wanted to take it above the human hearing of 20kHz but it's stuck at a maximum of 10kHz. I guess this is just a free toy to play around with, but I definitely would have liked to see more customizability.

Great clean way to view audio frequencies.

I don't even remember what I originally downloaded this app for, but after opening it up a second time just now, I was reminded by how clean and responsive it is. Even just to watch the levels as I sit in a coffee shop or on a bus is fascinating.

love it. great for various diagnostics of electronics and pure fun.

Fantastic ap! When I was a young engineer this took several boxes the size of a counter top microwave oven. It is very capable and appears accurate. Very easy to use. Great ap!

This app can certify whether you are actually crazy or not. Were it not for this app I would have never discovered that parking lots are the most terrifying places in the universe to be especially when you remember days long lost thinking you were actually alone just because you didn't actually see anybody around.

Real cool app. Wish there was reset to original settings button.

Thank you. I wasnt sure whether a high pitched tone was coming from my pc or what. Looks like it's just tinea. Improved it by flicking the back of my head. Relief.

question: where is the frequencies that aren't present in the spectrum.ie: 3001hz to 3046hz? I'm not educated in this field of expertise but isnt it kinda strange that whole frequencies bands are missing? is this normal? please answer k cannot find anyone with any sort of explanation of the phenomenon whether it's for a purpose or not

really excellently written. does exactly what i wanted. the log scaling option on the x axis is a nice touch given the small screen of a device. if you're savvy you could probably use as a small oscilloscope.

Whoaaa, this is so cool! No ads, no bs, just pure usable awesomeness :)

Really cool to check the frequencies of the world around you. Also useful in precise instrument tuning and other musical applications. Just used it to scan out some dodgy low hum in my hotel room.

It would be great if you could analyse the input of others sensors too (accelerometer)

Excellent analyzer that proves useful to isolate, trace, and locate mysterious mechanical noises. Does not include record/playback storage functions, which would be helpful.

Tone generator (in miscellaneous section of settings) does not output to speakers or headphone jack. Other than that, everything else is fine.

Exactly what I needed. Accurate, and full featured enough without being too bogged down. Excellent design, too. I would pay for this.

No ads, GREAT FUNCTIONS, one permission, priceless - literally.

Would be nice to record the audio, and playback. The lack of permissions is wonderful. I'd pay 4 or 5 for a zero permission audio recorder like this.

Good, intuitive UI. Good performance. This app provides lots of useful information about the audio signal without any fuss.

Excellent app! I used it with my galaxy S7 to calibrate a lot of headphones and speakers as long as the audio source is set tp microphone, otherwise the S7 processed the audio input.

Apk scan results

Apk Scaned By TotalVirus Antivirus,org.intoorbit.spectrum.apk Was Pure And Safe.

Scan Stats:failure:0|harmless:0|malicious:0|suspicious:0|timeout:0|type-unsupported:12|undetected:58|
File type:Android
Magic:Zip archive data
File size:115977
Uncompressed Size:173220
Contained Files	:43
Contained Files By Type:MF:1,RSA:1,SF:1,dex:1,png:20,xml:17,


requires following permissions on your android device.

record audio
Allows the app to record audio with the microphone. This permission allows the app to record audio at any time without your confirmation.


Certificate Issuer:C:US, CN:Carl Reinke, L:Albuquerque, O:www.intoorbit.org, ST:New Mexico, OU:None
Certificate Subject:C:US, CN:Carl Reinke, L:Albuquerque, O:www.intoorbit.org, ST:New Mexico, OU:None



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