Same As:
Package Name:com.inefficientcode.doomsdaytrainer
SHA-256:d0b967493503fbd3f627ad7b1af4c4a30870808dbd91a997456115ff872bc65d
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Mar 21, 2026
Calculate the day of the week for any date in history. Train your brain! Download and install old versions of Doomsday Trainer that suits your device model and enjoy your favorite features!
Welcome to Doomsday Trainer v4.9!
Doomsday Trainer old version 4.9 was released on Mar 21, 2026 by Inefficient Code. The app download size is 20.1 MB. We recommend you download the latest version of Doomsday Trainer for the new features and better performance.
Download the Latest VersionCheck out the detailed comparison between the latest and old version of Doomsday Trainer, including the file size and Android system requirements.
| Version 4.9 | Version 6.1.0 (Latest) | |
|---|---|---|
| Package Name | com.inefficientcode.doomsdaytrainer | com.inefficientcode.doomsdaytrainer |
| Version | 4.9 | 6.1.0 |
| Update Date | Mar 21, 2026 | Jul 16, 2026 |
| Size | 20.1 MB | 13.3 MB |
| Requires Android | Android 7.0+ (N, API 24) | |
| Architecture | universal | universal |
| Signature | e99e4191303b7f30e1c4287f8196f520ecd91370 | e99e4191303b7f30e1c4287f8196f520ecd91370 |
| Google Play App License | Required | Required |
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