Ultrachron Stopwatch Lite

Ultrachron Lite is an easy to use digital stopwatch and talking timer.

TheSpinningHead · spinninghead.talkingstopwatchlite

5.0 out of 5 (1 rating) 1M+ downloads v2.11 1.7 MB Android 7.0+ PEGI 3 · Everyone

Download APK 1.7 MB All versions

Signature matches the Google Play version Details

Watch the Ultrachron Stopwatch Lite trailer on YouTube

At a glance

Latest version: v2.11 (48)
Updated: Jul 10, 2026 (3 months ago)
APK size: 1.7 MB
Requires: Android 7.0+ (API 24)
CPU support: Any (no native code)
Category: Tools (app)
Listed since: Mar 5, 2022 (at least)
Permissions: 14
Website: thespinninghead.com/ultrachron_wp
Developer contact: [email protected]

About this APK

Ultrachron Stopwatch Lite is an app by TheSpinningHead in the Tools category, listed since at least March 2022. It has no native code, so it runs on any Android processor.

Since version 2.07, the APK grew from 1019.1 KB to 1.7 MB and the minimum Android version rose from 5.0 to 7.0. It asks for 14 permissions, none of them sensitive. It asks for the same permissions as version 2.10. 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 v2.11

Bug Fixes

Description

From the listing uploaded by “appupdater”.

Ultrachron Lite is an easy to use digital stopwatch & talking timer that is responsive and accurate. Great for sports, cooking and all your timing needs. "Ultrachron is firmly entrenched on my list of must-have apps for Android. The free Lite version is fantastic, but for $1 you get some great extra features. I'd pay $1 just to support the developer." - Brent Rose, PC World Features: •Talking stopwatch/timer •Set timer with voice •Large display •Lap Times •Editable descriptions •Share timing reports on social media •Wakes phone •Persistent notifications No Ads!

Version history

3 versions are listed, going back to v2.07. Since v2.10 it requires Android 7.0+.

v2.11 LATEST Jul 10, 2026 1.7 MB TRUSTED v2.10 Apr 4, 2025 1.7 MB TRUSTED v2.07 May 30, 2024 1019.1 KB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jul 10, 2026.
Certificate issued to “Unknown” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature not checked yet Jul 10, 2026
Validated against Google Play Jul 10, 2026
Signed byCN=Unknown, OU=Unknown, O=Unknown, L=Unknown, ST=Unknown, C=Unknown
Signing certificate (SHA-1)A6:D9:BD:DB:CE:CD:03:91:B6:EC:D7:13:EB:59:7A:8C:9F:18:62:B4
File MD5b0a37dc9a5b5233fe4df6f6707db7ba2
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 (14)

Ultrachron Stopwatch Lite requests 14 permissions, none of them sensitive.

Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Advertising ID com.google.android.gms.permission.AD_ID
Control vibration android.permission.VIBRATE
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) spinninghead.talkingstopwatchlite.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Schedule exact alarms android.permission.SCHEDULE_EXACT_ALARM
Show notifications android.permission.POST_NOTIFICATIONS
Use exact alarm android.permission.USE_EXACT_ALARM
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch

Ultrachron Stopwatch Lite APK: questions and answers

Is there a version of Ultrachron Stopwatch Lite for older Android phones?

The current version needs Android 7.0 or later. Version 2.07 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 2.07 · 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 Ultrachron Stopwatch Lite free?

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

Is the Ultrachron Stopwatch Lite 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 b0a37dc9a5b5233fe4df6f6707db7ba2.