Useful Android apps,
no ads, no trackers at all.
Files Tech builds Android apps that do their job simply, respect your privacy, and work without a connection. Open source code.
Eight apps. No compromise.
Each app is designed to work locally and transparently on your phone, without sharing, using, or sending your data anywhere else.
PDF Tech v1.12.5
Read, create, merge, sign, protect and OCR your PDF documents — entirely on your phone.
Read Files Tech v2.13.2
File explorer, universal reader, scanner, OCR, PDF signing, AES-256 vault, global search, duplicate finder — fully local.
Pass Tech v2.5.0
100 % local password manager. Per-domain anti-phishing, decoy vault for anti-coercion, panic mode, post-inactivity inheritance — radical privacy.
AI Tech v0.9.2
On-device conversational AI assistant. Gemma 4 (new), Gemma 3, Qwen, Phi, Llama — running on MediaPipe / LiteRT-LM. No internet permission, encrypted chats, panic mode. FR / EN.
Notes Tech v1.1.4
Encrypted Markdown notes, per-folder vaults (passphrase or PIN), semantic search, Gemma Q&A, Whisper dictation, backlinks, panic mode. 100 % local, no internet permission. FR / EN.
Health Tech v1.8.1
Wellness practitioner notebook. Clients, animals, sessions, calendar, encrypted backups. SQLCipher AES-256, Argon2id, biometrics, no cloud. FR / EN.
SMS Tech v1.14.7
Ad-free Android SMS/MMS app: voice messages, SQLCipher encrypted vault, panic code, biometrics, blocking synced with the Phone app. FR / EN.
App Manager Tech v0.4.0
App manager: inventory, smart cleaner, tracker detection (Exodus-style), privacy score, security audit, trash. No internet permission. FR / EN.
Simple principles
Your data stays yours, forever.
No advertising
No banner, no pop-up, no video. Ever.
No tracker
No Firebase, no Google Analytics, no audience measurement.
No server
Your files never leave your device unless you share them yourself.
Open source
Apache License 2.0. Read the code, modify it, use it.
Audited
OWASP Mobile security audit closed for 3 apps.
Free
No premium version, no subscription.
Ready to try?
Download the APKs from GitHub Releases, or use Obtainium for automatic updates.
See download options