Mật Thư Online icon

Mật Thư Online

Lzdev

⬇ 10,000+ downloads

Est. actual: 24,595

Released: Mar 11, 2017

No in-app purchases

Contains ads

Signals

4 this week · 3 positive All of this week's signals →

📈Last 7 days +12 installs · 1/day since Oct 6
🏆Among Education apps top 28% by installs gained this week (2026 peers growing)
🛠Updates actively updated · updated 24 days ago · every ~182 days (2 updates tracked)
🔁Ownership the developer account Lzdev changed company behind it · Oct 21, 2026

Installs since launch

+34 installs since Oct 6

Update history

0.4.6 Oct 18, 2026 · seen Oct 21, 2026

Fix login

1.3.9 Apr 19, 2026 · seen Oct 6, 2026

Mật Thư Online is an education app by Lzdev with 10,000+ downloads (about 25K estimated). +12 installs in the last 7 days. Released Mar 11, 2017. Install growth, rank history, SDKs and ad networks.

From the store listing: “Deciphering challenging coded messages is a challenging task that tests your intelligence. Do you have the skills of a detective?”