Stopwatch app icon

Stopwatch

A simple and easy-to-use stopwatch.

moshimore · jp.moshimore.android.StopWatch

Not rated yet 100K+ downloads v3.7.0 59.7 MB Android 7.0+ PEGI 3 · Everyone

  • Signature matches the Google Play version Details

At a glance

Latest version
v3.7.0 (37)
Updated
Sep 2, 2026 (1 month ago)
APK size
59.7 MB
Requires
Android 7.0+ (API 24)
CPU support
x86 64-bit, ARM 32-bit, ARM 64-bit
Category
Tools (app)
Listed since
Sep 24, 2021 (at least)
Permissions
11
Website
moshimore.jp
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

Stopwatch is an app by moshimore in the Tools category, listed since at least September 2021. It includes native code for x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

It asks for 11 permissions, none of them sensitive. It asks for the same permissions as version 3.5.0. The app offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.

What's new in v3.7.0

Improved application quality.

Description

From the listing uploaded by “appupdater”.

This is a stopwatch app that is simple to use, but has a wide range of functions. Ideal for time measurement in competitions, training, experiments, and small daily measurements. It is intuitive and designed so that anyone can use it immediately. This app has the following features, making measurement work even more efficient. [Main functions] 1. Simple stopwatch This app is a simple and easy-to-use stopwatch app. The buttons to start and stop measurement are large and easy to operate. You can measure time immediately without having to learn special operations. 2. Lap time and split time measurement You can measure lap times and split times, and record times for multiple sections. Lap times are measured for each lap, and split times can be checked for each specific section, making it ideal for marathons and training. 3. High-precision measurement (1/1000 second units) The time measurement accuracy is measured in 1/1000 second units, so it can also handle the high-precision measurements required for sports and experiments. You can use it with confidence even when measuring minute differences. 4. Supports a wide variety of color themes and dark mode You can choose from 7 color themes that allow visual customization, and a dark mode that is easy on the eyes. By setting your favorite color scheme, you can measure time more comfortably. With your own interface, you will not get tired even if you use it for a long time. 5. Adjustable font size You can freely adjust the font size of the measurement. Since you can make fine adjustments, you can display it at the optimal size according to your preference. 6. Up to 10 stopwatches can be used simultaneously You can create up to 10 stopwatches in the app and measure them simultaneously. It is useful in various scenes such as tracking multiple activities at the same time, and team competitions and practice. 7. Measurement continues even if the app is closed After starting the stopwatch, the measurement will not be interrupted even if you close the app or restart your smartphone. This allows you to accurately keep track of important times without being interrupted. [Usage scenarios] 1. Running / marathon Manage your running pace while recording lap times. You can accurately grasp your own time. 2. Sports training You can use multiple stopwatches at the same time to measure the progress of your training. 3. Scientific experiments and measurements Supports accurate time measurement in experiments that require high-precision measurements. 4. Daily time management Convenient for daily use to measure cooking time and task progress. [Summary] A stopwatch app that combines simplicity and high functionality. It is packed with many features, including highly accurate 1/1000 second measurements, simultaneous use of multiple stopwatches, background measurements, and customizable designs. Experience comfortable time measurement with this app that is perfect for sports, experiments, and everyday time measurement.

Version history

5 versions are listed, going back to v1.8.0. Since v3.3.0 it requires Android 7.0+.

All 5 versions

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Sep 2, 2026.
  • Same certificate as the 2 other versions checked

Store checks and file details

  • Developer signature verified Sep 2, 2026
  • Validated against Google Play Sep 2, 2026
  • Signed byC=JP
  • Signing certificate (SHA-1)37:8E:AB:AF:BF:B7:24:BD:45:DB:34:0B:68:E7:B5:DB:A4:98:30:E2
  • File MD587b94e88b82b4c157e465009997c8294
  • 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 (11)

Stopwatch requests 11 permissions, none of them sensitive.

Required hardware & features

Stopwatch APK: questions and answers

Is there a version of Stopwatch for older Android phones?

The current version needs Android 7.0 or later. Version 2.1.0 is the newest listed build that installs on Android 5.0 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 2.1.0 · 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 Stopwatch free?

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

Is the Stopwatch 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 87b94e88b82b4c157e465009997c8294.

Tags

More Tools apps