
RMR Calculator & Tracker
Calculates & Tracks RMR (Resting Metabolic Rate) Using Mifflin-St Jeor Equation.
First Century Thinking LLC · com.firstcenturythinking.rmrcalculator
- Signature matches the Google Play version Details
At a glance
- Latest version
- v3.0.3 (43)
- Updated
- Feb 20, 2026 (8 months ago)
- APK size
- 3.2 MB
- Requires
- Android 8.0+ (API 26)
- CPU support
- Any (no native code)
- Category
- Health & Fitness (app)
- Listed since
- Mar 27, 2023 (at least)
- Permissions
- 6
- Website
- firstcenturythinking.com
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
RMR Calculator & Tracker is an app by First Century Thinking LLC in the Health & Fitness category, listed since at least March 2023. It has no native code, so it runs on any Android processor.
Since version 1.5.3, the APK shrank from 4 MB to 3.2 MB and the minimum Android version rose from 4.2 to 8.0. It asks for 6 permissions, none of them sensitive. Compared with version 1.5.3, it adds 2 new permissions (“Advertising ID” and “Google Play install referrer”) and drops 3 (“Read shared storage”, “Modify shared storage” and “In-app purchases”). The app can read the advertising ID that ad and analytics services use.
What's new in v3.0.3
Description
From the listing uploaded by “appupdater”.
Version history
2 versions are listed, going back to v1.5.3. Since v3.0.3 it requires Android 8.0+.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Feb 20, 2026.
- Certificate issued to “First Century Thinking LLC” This is the certificate of the Google Play version.
- Same certificate as the other version checked
Store checks and file details
- Developer signature verified Feb 20, 2026
- Validated against Google Play Feb 20, 2026
- Signed byCN=Matthew Rohr, OU=--, O=First Century Thinking LLC, L=Jacksonville, ST=OR, C=US
- Signing certificate (SHA-1)67:8D:53:D8:D7:52:2E:C5:D1:0D:4F:C4:1C:EB:76:47:CB:D5:46:AE
- File MD532c72c7773fc5a5f9b8fb3bf65407cd6
- 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 (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (6)
RMR Calculator & Tracker requests 6 permissions, none of them sensitive.
- Advertising ID com.google.android.gms.permission.AD_ID
- Full network access android.permission.INTERNET
- Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
- Internal broadcast protection (app-defined) com.firstcenturythinking.rmrcalculator.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Prevent the device from sleeping android.permission.WAKE_LOCK
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
RMR Calculator & Tracker APK: questions and answers
Is there a version of RMR Calculator & Tracker for older Android phones?
The current version needs Android 8.0 or later. Version 1.5.3 is the newest listed build that installs on Android 4.2 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 1.5.3 · 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 the RMR Calculator & Tracker 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 other version checked. After downloading, check that the file's MD5 is 32c72c7773fc5a5f9b8fb3bf65407cd6.