
At a glance
- Latest version
- v1.0.3c (4)
- Updated
- Oct 9, 2025 (12 months ago)
- APK size
- 35.5 MB
- Requires
- Android 4.1+ (API 16)
- CPU support
- x86 32-bit, ARM 32-bit
- Graphics
- OpenGL ES 2.0+
- Category
- Arcade (game)
- Listed since
- Mar 20, 2020 (at least)
- Permissions
- 5
- Website
- jumpalpha.info
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Tower Builder - Stack them up is a game by JumpAlpha in the Arcade category, listed since at least March 2020. It includes native code only for x86 32-bit and ARM 32-bit, so it won't run on 64-bit-only phones such as recent Pixels.
It asks for 5 permissions, none of them sensitive.
What's new in v1.0.3c
Description
From the listing uploaded by “catappult”.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Mar 20, 2020.
- Certificate issued to “JumpAlpha” This is the certificate of the Google Play version.
Store checks and file details
- Developer signature verified Mar 20, 2020
- Validated against Google Play Mar 20, 2020
- Antivirus scan passed Sep 3, 2020
- Signed byCN=, OU=, O=JumpAlpha, C=
- Signing certificate (SHA-1)3A:7E:52:D2:3D:EF:52:72:BE:9D:43:7F:5B:D3:8C:61:FD:A0:18:8B
- File MD50bdd624c0ca08340ada9f41ba65a7cb6
- 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 (5)
Tower Builder - Stack them up requests 5 permissions, none of them sensitive.
- Advertising (custom) com.asfoundation.ADVERTISING
- Billing (custom) com.appcoins.BILLING
- Full network access android.permission.INTERNET
- Run at startup android.permission.RECEIVE_BOOT_COMPLETED
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Portrait screen android.hardware.screen.portrait
Tower Builder - Stack them up APK: questions and answers
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 the Tower Builder - Stack them up 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. After downloading, check that the file's MD5 is 0bdd624c0ca08340ada9f41ba65a7cb6.