Message yourself to stay organized.
About this app
A chat-based note-taking tool for messaging yourself.
Licensed under MIT, by kys0ff.
What's New in v0.3.8
Imported from the F-Droid repository index.
- - AMOLED Mode: New dark theme option for OLED screens to save battery.
- - Status Banners: New global loading and error indicators.
- - Message Interactions: Long-press context menu and onboarding swipe hints.
- - Rich Content: Support for lists and checkboxes in messages.
- - UI Refinement: Redesigned floating input bar and image attachment grid.
- - Stability: Improved data wipe operations and message list auto-scrolling.
Version history
Jul 5, 2026 · 5.2 MB · Android API 23–37 · code 38
Imported from the F-Droid repository index.
- - AMOLED Mode: New dark theme option for OLED screens to save battery.
- - Status Banners: New global loading and error indicators.
- - Message Interactions: Long-press context menu and onboarding swipe hints.
- - Rich Content: Support for lists and checkboxes in messages.
- - UI Refinement: Redesigned floating input bar and image attachment grid.
- - Stability: Improved data wipe operations and message list auto-scrolling.
SHA-256 3206c1918d1b34fb461031bd1ff0ac911153f040a830cd113d9f9e93fb596800
Jun 5, 2026 · 5 MB · Android API 23–35 · code 32
Imported from the F-Droid repository index.
- - Dedicated Changelog screen to track app updates.
- - New "Lock on screen off" setting and customizable lock timeouts.
- - Biometric verification for sensitive actions (exports, security settings).
- - App usage heatmap and activity streaks in Statistics.
- - Multi-image selection, caption support, and SVG support.
- - Staggered image grid and immersive mode for media preview.
SHA-256 20c5a6e2f7ab289065c1026204b87efc02670d073fce2782e703da5be0463cfe
May 24, 2026 · 4.8 MB · Android API 23–35 · code 25
Imported from the F-Droid repository index.
- - Support for attaching images from gallery or capturing directly via a new full-screen camera with flash and lens switching.
- - Ability to pin important messages with a dedicated pinning bar for quick navigation.
- - New management screen for creating and tracking message-based reminders.
- - Support for clickable hashtags and filtering messages by tags.
- - Enhanced statistics screen with media counts and dynamic pie chart slices.
- - Added expressive scale animations to the send button and smooth tran
SHA-256 9b3c2299528b16565ab30ef7b0a19496b0f54b73b1254605d8a66fa3158bb98c
Will it run on your device?
92%
- Runs on a broad range of modern Android versions.
- Multiple CPU architectures are covered.
- Aligned with the latest Android target SDK expectations.
Installation Guide
Open Settings on your Android device
Go to Security → Unknown sources (or Install unknown apps)
Enable "Allow from this source" for your browser or file manager
Open the downloaded APK file from your Downloads folder
Tap "Install" and wait for installation to complete
Launch the app from your home screen
Make sure to re-enable Unknown Sources restrictions after installation for security.
How to install this safely
How to verify the file you downloaded
Before you install anything, confirm the file is the one described here. On a computer, run shasum -a 256 your-download.apk (macOS or Linux) or certutil -hashfile your-download.apk SHA256 (Windows), then compare the output character-for-character with the SHA-256 on this page. If a single character differs, the file is not the build we recorded — delete it.
What the signing certificate proves
Every Android app is signed with a private key that only its developer holds. The fingerprint on this page is a hash of the matching public certificate, and it proves continuity rather than identity: it tells you a build came from whoever signed the earlier ones. Android enforces this at install time — if a package claiming to be off.kys.backtalk is signed with a different key, the system will refuse to install it over your existing copy. A fingerprint that changes between releases is worth pausing on, because a repackaged app that has been modified by someone else cannot keep the original signature.
How to roll back to an earlier version
If the current release misbehaves, 0.3.2 is the last build before it. Android will not install an older version code over a newer one, so you must uninstall Backtalk first — which clears its local data unless you have a backup. Reinstall the older APK only if its signing fingerprint matches the build you already trust, and check the API range: an older release may target an Android version your device has moved past.
Why we list sources instead of hosting everything
The official store channel is almost always the right choice: it updates automatically and carries the publisher's own distribution guarantees. A direct APK is useful when a device has no store access, when a rollout has not reached your region, or when you need a specific version — and only when the publisher has authorized that copy. APKBrowse does not list pirated, cracked, or unauthorized rebuilds of Backtalk, and a listing is removed when the evidence for it stops holding up.
Get Backtalk
Every source we list for off.kys.backtalk is legality-reviewed. Pirated or cracked builds are never offered.
Other sources
F-Droid listing
officialF-Droid builds this app from source and signs it. This is its official listing, with older builds and full release notes.
Source code
verified publisherThe upstream repository this build is compiled from.
We check legality and signature continuity, but device behaviour still varies. Install at your own discretion.
App Information
Security Verification
We record provenance; we do not run malware scans. Verify the hash yourself before installing.
SHA-256 Hash
3206c1918d1b34fb461031bd1ff0ac911153f040a830cd113d9f9e93fb596800
Signing certificate
cbab9f1c4c952659b37104307f698037b7985bdd998d2a1cfddf7b0ebbdf5ecd
Permissions Required
Previous Versions
The signing certificate fingerprint for this release is on record, so a build that does not match it did not come from this publisher.
Report a problem with this listing
A listing is only as good as its corrections. If a source is broken, a signature looks wrong, or this app should not be here, tell the moderation team.