64
BU Score
Solid
OTO Free International Call
✍️ BU Analytics Review
“
OTO Free International Call is an Android app from openvacs in the Communication category, currently rated 3.7★ across 25,119 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.
Our BU Score puts it at 64 — Solid (established niche player). For a Communication app, that means established niche player.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
creator
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
Range:
💰 Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 vVaries with device📂 Communication💰 Free
📝 About this app
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 States, Canada, Japan, etc. to most of the countries in Korea. (However, free phone calls are available according to the payment plans of smartphones.)
★ Why OTO Free International Phone Calls?
1. OTO Free International Phone Call is free because it does not incur costs for any international phone calls placed.
2. You may use international phone calls via the local voice phone bills, so no worries.
3. Unlike other services that offer free service to a limited range of countries, OTO offers free phone calls to most of all countries.
If you encounter any inconveniences using our service, please do let us know. We are always all ears for your valuable opinions.
- website : www.otocall.com
- call center : +82-2-16000546
[Main Functions]
★ Free International Phone Calls
- You may place free international phone calls to the United States, Canada, Japan, etc. to most of the countries in Korea. (However, free phone calls are available according to the payment plans of smartphones.)
★ Why OTO Free International Phone Calls?
1. OTO Free International Phone Call is free because it does not incur costs for any international phone calls placed.
2. You may use international phone calls via the local voice phone bills, so no worries.
3. Unlike other services that offer free service to a limited range of countries, OTO offers free phone calls to most of all countries.
If you encounter any inconveniences using our service, please do let us know. We are always all ears for your valuable opinions.
- website : www.otocall.com
- call center : +82-2-16000546
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- OTO Free International Call
- Developer
- openvacs
- Bundle ID
- com.openvacs.android.oto
- App Store URL
- Open in App Store
- Category
- Communication
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- Not found
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $1.3K/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- Not found
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- Not found
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- Not found
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
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