Atom Spectra

Digital Pulse Processing on your phone

Dulov Evgeny · org.fe57.atomspectra

Not rated yet 5K+ downloads v6.6.11 6.8 MB Android 5.0+ PEGI 3 · Everyone

Download APK 6.8 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v6.6.11 (107)
Updated: Jan 4, 2026 (9 months ago)
APK size: 6.8 MB
Requires: Android 5.0+ (API 21)
CPU support: Any (no native code)
Category: Tools (app)
Listed since: Apr 19, 2021 (at least)
Permissions: 9 (5 sensitive)
Website: fe57.org
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Atom Spectra is an app by Dulov Evgeny in the Tools category, listed since at least April 2021. It has no native code, so it runs on any Android processor.

It asks for 9 permissions, 5 of them sensitive, including precise location, record audio and approximate location. It asks for the same permissions as version 6.6.9.

What's new in v6.6.11

Update spectrum output

Description

From the listing uploaded by “appupdater”.

The software turns your smartphone into MultiChannel Analyser (MCA) which get signal over the mic-input. Digital Pulse Processing module measures height of pulses and show result as a hystogram or a curve. This is an analog of PC-software, known as Pulse Recorder and Analyser (PRA). Designed and tested with AtomSpectra 3 hardware, but can be useful for any pulsed signal source with appropriate amplitude and bandwith. First of all intended for amateur gamma spectroscopy. Try branded smartphones for best results.

Version history

3 versions are listed, going back to v6.6.7.

v6.6.11 LATEST Jan 4, 2026 6.8 MB TRUSTED v6.6.9 Jun 12, 2026 6.8 MB TRUSTED v6.6.7 Mar 17, 2024 6.8 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jan 4, 2026.
Certificate issued to “Kazan Federal University” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Jan 4, 2026
Validated against Google Play Jan 4, 2026
Signed byCN=Evgeny Dulov, OU=Solid State Physics Department, O=Kazan Federal University, L=Kazan, ST=Tatarstan, C=RU
Signing certificate (SHA-1)F0:86:82:63:75:EC:38:AF:76:8A:16:D6:46:C1:5A:6C:84:A3:10:6A
File MD51feeac57318de7933249ae840ccf347d
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (9)

Atom Spectra requests 9 permissions, 5 of them sensitive.

Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Record audio (microphone) Sensitive android.permission.RECORD_AUDIO
Foreground service microphone android.permission.FOREGROUND_SERVICE_MICROPHONE
Internal broadcast protection (app-defined) org.fe57.atomspectra.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Run foreground services android.permission.FOREGROUND_SERVICE
Show notifications android.permission.POST_NOTIFICATIONS

Required hardware & features

Basic touch input android.hardware.faketouch
Microphone android.hardware.microphone
Portrait screen android.hardware.screen.portrait

Atom Spectra APK: questions and answers

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Atom Spectra APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 1feeac57318de7933249ae840ccf347d.