OTO Free International Call

Name: OTO Free International Call
Rating: 3.4246576 (24351 reviews)
Author: openvacs

openvacs

★ 3.4 (24,351 ratings)

⬇ 5,000,000+ downloads

Est. actual: 6,809,396

Free

Released: Aug 23, 2010

No in-app purchases

Contains ads

Rated: Everyone

Signals

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

📈Last 7 days 0 installs · 0/day since Sep 29
🏆Among Communication apps bottom 0% by installs gained this week (145 peers growing)
⭐Rating ★ 3.53 → 3.42 since Sep 29
🛠Updates dormant · updated 160 days ago

Installs since launch

+1 installs · -195 ratings since Sep 29

Update history

3.1.1 Jun 4, 2026 · seen Sep 29, 2026

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

OTO Free International Call is a communication app by openvacs with 5,000,000+ downloads (about 6.8M estimated). Rated 3.4 from 24K ratings. Released Aug 23, 2010. Install growth, rank history, SDKs and ad networks.

From the store listing: “OTO Free International Call app provides free international calls and it doesn't charge any international call fee, while it uses your additional/video call minutes given monthly by your carrier company. [Main Functions] ★ Free International Phone Calls - You may place free international phone calls to the United…”