AppLock - Skull

Name: AppLock - Skull
Rating: 4.4666667 (1345 reviews)
Author: SailingLab: Focus on Security, Booster, Cleaner

SailingLab: Focus on Security, Booster, Cleaner

★ 4.5 (1,345 ratings)

⬇ 500,000+ downloads

Est. actual: 759,353

Free

Released: Apr 26, 2017

No in-app purchases

Contains ads

Rated: Everyone

Signals

4 this week · 1 positive · 2 warnings All of this week's signals →

📈Last 7 days +139 installs — 25% slower than the week before (+185) · 16/day since Sep 29
🏆Among Tools apps top 13% by installs gained this week (758 peers growing)
⭐Rating steady at ★ 4.47 since Sep 29
🛠Updates dormant · updated 400 days ago

Installs since launch

+665 installs · -3 ratings since Sep 29

Update history

1.3.1 Oct 6, 2025 · seen Sep 29, 2026

Only the current version so far — new entries appear as the app ships updates.

AppLock - Skull is a tools app by SailingLab: Focus on Security, Booster, Cleaner with 500,000+ downloads (about 759K estimated). +139 installs in the last 7 days. Rated 4.5 from 1.3K ratings. Released Apr 26, 2017. Install growth, rank history, SDKs and ad networks.

From the store listing: “AppLock Theme Skull belongs to the main application of AppLock, please download it at first！ What is AppLock ？ AppLock is a light app protector tool to protect your privacy in mobile apps. ★ AppLock can lock Facebook, Whatsapp, Gallery, Messenger, SMS, Contacts, Gmail, Settings, incoming calls and any app you…”