At a glance
- Latest version
- v1.3.1 (132)
- Updated
- Sep 17, 2025 (1 year ago)
- APK size
- 2.9 MB
- Requires
- Android 4.4+ (API 19)
- CPU support
- Any (no native code)
- Category
- Health & Fitness (app)
- Listed since
- Aug 14, 2019 (at least)
- Permissions
- 6
- Developer contact
- [email protected]
About this APK
Simple Interval Timer is an app by Robert Lyon in the Health & Fitness category, listed since at least August 2019. It has no native code, so it runs on any Android processor.
It asks for 6 permissions, none of them sensitive.
What's new in v1.3.1
Description
From the listing uploaded by “catappult”.
Security & authenticity
Signing certificate
- Certificate issued to “Robert Lyon” The developer's name — though anyone can put any name in a certificate.
Store checks and file details
- Developer signature not checked yet Aug 5, 2018
- Antivirus scan passed Nov 15, 2020
- Signed byCN=Robert Lyon
- Signing certificate (SHA-1)1E:2A:4D:08:DB:6A:B5:A2:EA:56:C9:77:EB:47:31:DD:31:34:83:0E
- File MD5e625edc66e89e115fea73408d4d19696
- Uploaded by “catappult” Platinum tier · 1,377 followers · uploading since 2018
Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (6)
Simple Interval Timer requests 6 permissions, none of them sensitive.
- Access network states android.permission.ACCESS_NETWORK_STATEs
- Full network access android.permission.INTERNET
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Push messaging (app-defined) org.robertlyon.intervaltimer.permission.C2D_MESSAGE
- Receive push notifications com.google.android.c2dm.permission.RECEIVE
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Portrait screen android.hardware.screen.portrait
- Touchscreen android.hardware.touchscreen
Simple Interval Timer APK: questions and answers
Can I install this APK over the version I already have?
Only if it is signed with the same certificate as the copy on your phone and isn't an older version. If Android says “App not installed”, the certificates differ; uninstalling your copy first works but deletes its data unless it is backed up.
Is the Simple Interval Timer APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Unknown. After downloading, check that the file's MD5 is e625edc66e89e115fea73408d4d19696.