Sandboxx Old Versions APK
Sandboxx, Inc.
Sandboxx is a military support and communication app that helps families and friends stay connected with recruits during basic training and beyond. Users can compose letters on Android, add photos or gift cards, and have the message printed and delivered to a military mailroom. The app also provides shipment tracking, weekly training updates, military news, and supporter-focused resources. New users choose whether they are supporting a recruit or preparing for military life, which personalizes the experience around their role and makes important information easier to find.
Sandboxx version history
Browse Sandboxx release history and pick a build that fits you.
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Latest Sandboxx version
Use the latest build when you want the newest published APK with the most recent release notes and verification signals.
- Version
- 20.40.0
- Size
- 47.19 MB
- Updated
- 08/02/2026
Previous APK versions
Older APK builds are useful when a device cannot run the newest release or when you need to compare changes between versions.
Sandboxx 20.40.0
LatestVersion comparison
Compare version numbers, release dates, file sizes, Android requirements, and verification status before choosing a build.
| Version | Version code | Release date | Size | Minimum Android |
|---|---|---|---|---|
| 20.40.0 | 600 | 08/02/2026 | 47.19 MB | Android 8.0+ |
Android compatibility by version
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- 20.40.0Android 8.0+
Old version safety notes
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- File SHA-256
- N/A
- Source
- APKPure mirror with APKBA identity verification
Sandboxx old versions FAQ
Which Sandboxx old version should I download?
Choose the newest version that supports your device, then verify its file size, Android requirement, SHA-256, and download availability before installing.