📈Last 7 days+2 installs — 71% slower than the week before (+7) · 0/day since Oct 2
🏆Among Productivity apps bottom 31% by installs gained this week (794 peers growing)
🛠Updatesquiet · updated 90 days ago
Installs since launch
+11 installs
since Oct 2
Update history
1.0.2Aug 13, 2026 · seen Oct 2, 2026
Android 16 Support: Updated the app's target SDK version from 35 to 36, ensuring full compatibility with Android 16 and bringing users the latest platform optimizations, security enhancements, and performance improvements.
Only the current version so far — new entries appear as the app ships updates.
Letter Tracking System is a productivity app by Goodwill Communication with 100+ downloads (about 215 estimated). +2 installs in the last 7 days. Released Apr 29, 2025. Install growth, rank history, SDKs and ad networks.
From the store listing: “📬 Letter Tracking System – Digitize & Track Your Official Letters
Letter Tracking System is a smart digital solution for organizations and companies to submit, manage, and track official letters seamlessly—all in one place.
🔐 User Account Management
Sign Up with your Name, Username, and Password.
Secure Login…”