Simple Interval Timer app icon

Simple Interval Timer

Simple, Easy to use HIIT Timer

Robert Lyon · org.robertlyon.intervaltimer

Not rated yet 5+ downloads v1.3.1 2.9 MB Android 4.4+ PEGI 3 · Everyone

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

UI Update. Added Support for French, German and Spanish(More languages to come in the future).

Description

From the listing uploaded by “catappult”.

Easy to use HIIT or interval timer for Interval Training. This simple interval timer implements a simple interface that will allow users to focus on their workout or task, rather than wasting time working out how to start the timer. Great for activities such as: Boxing Circuit Training HIIT training Tabata Weightlifting Features Simple Interface Round end sounds Number of Sets Length of Sets Rest Length Permissions: Requires Internet permission which supports the small banner ad at the bottom of the screen. Feature Photo by Victor Freitas from Pexels

Security & authenticity

Security rating: Unknown

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.

Required hardware & features

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.

Tags

More Health & Fitness apps