RAM Calc

Unique RAM memory app.

Junichi Kosaka · com.kosajun.easymemorycleaner

4.2 out of 5 (28 ratings) 5M+ downloads v15.11 16.5 MB Android 7.0+ PEGI 3 · Everyone

Download APK 16.5 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v15.11 (190)
Updated: Aug 28, 2026 (1 month ago)
APK size: 16.5 MB
Requires: Android 7.0+ (API 24)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Tools (app)
Listed since: Jul 25, 2020 (at least)
Permissions: 20 (3 sensitive)
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

RAM Calc is an app by Junichi Kosaka in the Tools category, listed since at least July 2020. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 14.02, the minimum Android version rose from 4.4 to 7.0. It asks for 20 permissions, 3 of them sensitive: read phone status and identity, see all installed apps and package usage stats. It asks for the same permissions as version 15.04. The app offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.

Ratings

4.2out of 528 ratings

5 ★61%
4 ★18%
3 ★11%
2 ★4%
1 ★7%

Ratings from users of the source store — not collected or verified by AAPKs.

What's new in v15.11

ver.15.11 -Maintenance release.

Description

From the listing uploaded by “appupdater”.

Unique RAM Memory app. Advanced functions: -"Hyper calc" is the same operation as before, though GUI expression is different. -When you want to show previous experience, please set it via optional menu "Former Expression". -Auto closing. -Removal of animation. -Auto start function by recognition of exceeding threshold of memory usage ratio. -Color settings for texts, background, foreground, and animation. -Shortcut for customized app-start. -Side launcher helps you to quick start the app and many extra functions. -Accessibility service is used for back/home/recent app/open notification/screen move/split screen/quick settings/pointer mode and not for personal data collection. Please use this function with your acceptance. -Paid option for no-ad on the app and minimization is monthly subscription*. *If you do not cancel the automatic renewal within 24 hours, the contract period will be automatically renewed. *You can check and cancel the contract details from Google Play (Settings tab > Subscription > RAM Calc).

Version history

5 versions are listed, going back to v14.02. Since v15.11 it requires Android 7.0+.

v15.11 LATEST Aug 28, 2026 16.5 MB TRUSTED v15.04 Aug 3, 2026 18.2 MB TRUSTED v15.01 Jan 5, 2026 18.2 MB TRUSTED v14.06 Jan 11, 2026 16.4 MB TRUSTED v14.02 Feb 20, 2026 16.4 MB TRUSTED

All 5 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Aug 28, 2026.
Certificate issued to “Junichi Kosaka” This is the certificate of the Google Play version.
Same certificate as the 3 other versions checked

Store checks and file details

Developer signature not checked yet Aug 28, 2026
Validated against Google Play Aug 28, 2026
Signed byCN=Junichi Kosaka, L=Tokyo, ST=JAPAN
Signing certificate (SHA-1)FD:B8:76:A8:24:FE:9C:EB:EF:04:B3:A4:CD:96:E0:65:0A:BF:B9:88
File MD5fe37af3b295d26972293fe774d3731a6
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 (3 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (20)

RAM Calc requests 20 permissions, 3 of them sensitive.

Package usage stats Sensitive android.permission.PACKAGE_USAGE_STATS
Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
See all installed apps Sensitive android.permission.QUERY_ALL_PACKAGES
Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
Advertising ID com.google.android.gms.permission.AD_ID
Control vibration android.permission.VIBRATE
Foreground service special use android.permission.FOREGROUND_SERVICE_SPECIAL_USE
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Google Play license check com.android.vending.CHECK_LICENSE
In-app purchases (Google Play Billing) com.android.vending.BILLING
Internal broadcast protection (app-defined) com.kosajun.easymemorycleaner.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Run foreground services android.permission.FOREGROUND_SERVICE
Show notifications android.permission.POST_NOTIFICATIONS
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch

RAM Calc APK: questions and answers

Is there a version of RAM Calc for older Android phones?

The current version needs Android 7.0 or later. Version 15.04 is the newest listed build that installs on Android 6.0 and later. Get version 15.04 · All versions

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 RAM Calc free?

The APK is free to download, but the app offers in-app purchases through Google Play.

Is the RAM Calc 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 3 other versions checked. After downloading, check that the file's MD5 is fe37af3b295d26972293fe774d3731a6.