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tsidevstudio/README.md

TSI Dev Studio

Independent Android developer building privacy-conscious, local-first apps with clear ownership and minimal unnecessary dependence on accounts, advertising or cloud services.

🌐 https://tsidevstudio.com
▶ Google Play: https://play.google.com/store/apps/developer?id=TSI+Dev+Studio
📰 Press: https://tsidevstudio.com/press/xsilent

Featured project

Xsilent — Private Photo & File Vault

Xsilent is a privacy-first Android vault for photos, videos, PDFs and private files.

Designed around local control:

  • No required account
  • No ads
  • No required cloud storage
  • PIN and supported biometric access
  • Decoy PIN
  • Encrypted backup
  • Encrypted Trash
  • Private PDF viewing
  • Clean Share privacy tools
  • Quick Lock and automatic locking
  • Screenshot and screen-recording protection where supported

Links

Android portfolio

App Focus Links
Xsilent Private photo, video, PDF and file vault Website · GitHub
Nullun Status Bar Studio and battery-screen customization Website · GitHub
Seabil Subscription tracking Website · GitHub
AnonyPic On-device photo privacy tools GitHub
MicutVault Lightweight private media vault GitHub
HEZX Price-per-use tracking GitHub
Annum Reminder and date tracking GitHub
Zizly Sleep-talk recording GitHub
Zekro Debt and ledger tracking GitHub
Mission563 Focused Android utility GitHub
Group Decision Group decision-making GitHub
Oriviro Android utility GitHub

Explore the complete portfolio:

https://tsidevstudio.com

Development principles

TSI Dev Studio products are generally designed around:

  • Local-first operation where practical
  • No unnecessary accounts
  • Minimal data collection
  • Clear privacy expectations
  • Reduced unnecessary cloud dependence
  • No advertising where possible
  • One-time ownership options where practical
  • Focused Android utilities
  • Straightforward user control

Public repositories

TSI Dev Studio repositories are used for public product information, documentation, verification links, release resources and project discovery.

Unless explicitly stated otherwise, the Android application source code is not published in these repositories.

Security-sensitive implementation details, internal architecture and private product logic are intentionally excluded from public documentation.

Official links

Contact

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  1. xsilent xsilent Public

    Xsilent — privacy-first Android photo, video, PDF and file vault. Local-first, no required account, no ads.

    1

  2. nullun nullun Public

    Nullun — Custom battery screens and Status Bar Studio for Android.

    1

  3. anonypic anonypic Public

    On-device Android photo privacy tool. Currently in closed testing.

  4. micutvault micutvault Public

    Lightweight Android privacy vault for photos, videos, audio, notes and documents. Currently in closed testing.

  5. seabil seabil Public

    Android subscription tracker with reminders, Smart Paste, backup, CSV export and home-screen widget.

  6. zekro zekro Public

    Android debt and ledger tracker for loans, repayments, balances and due dates.