
71
BU Score
Strong
Call Defender - Caller ID
✍️ BU Analytics Review
“
Call Defender - Caller ID is an Android app from Gogolook in the Communication category, currently rated 4.1★ across 109,173 ratings. Initial signal reads as mostly critical sentiment so far — users flag rough edges and unmet expectations.
Our BU Score puts it at 71 — Strong (healthy traction). For a Communication app, that means healthy traction.
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.
🔬Forecast Breakdown — Why This Estimate?Top 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| High install base (109,173 ratings)METRIC | +$12,000 | |
| Mature app (16y old)METRIC | +$1,500 | |
| Good rating (4.1★)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 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📺 Ad-supported💎 IAP $0.99 - $99.99 per item🚀 Launched 2010 (16y old)
📝 About this app
Call Defender, a FREE spam call blocking app that has protected millions of users against malicious spam calls.
“BLOCKING”: Just turn on "Spam Database" and enjoy a life free of spam, no additional charges needed! The database is provided by HKJunkCall.
“CALLER IDENTIFICATION”: Enjoy real-time caller identification! Call Defender shows the name of public or private organizations when they are calling you. Call Defender can identify over 500 thousand HK phone numbers which include hospitals, educational institutions and so on. You may want to pick up a call from the hospital even if you are in the middle of a important meeting, right? The data comes from HKJunkCall Whitelist, community, Internet, websites and number owners. We DONT upload the contact books of users.
“REALTIME DATABASE”: The system checks the database every 10 minutes, and updates to the device when there is a new spam number, effectively eliminating all spam calls that frequently harass people.
Call Defender provides the simplest way to block unwanted calls and protect your privacy with ease. Call defender also lets you know who is calling using our comprehensive global database with over 700 million numbers.
【 Product Features】
► Block Spam Calls automatically.
► Identify Unknown Calls
► Advance settings for customizing block calls.
► Search spam number database.
► Provide Daily Call Report for any blocked/missed calls.
► Anti-fraud Information Center, providing education messages about fraud to user.
Notes
• To make sure Call Defender works properly, please load the app at least once after installation.
• The point-rewards system will be deprecated.
• If you are using optimization software, make sure to put Call Defender as a trusted app.
• Network connection is required for database download or caller ID feature
• Devices using unofficial Android framework may have compatibility issues.
Privacy Policy: https://www.call-defender.com/privacy.html
“BLOCKING”: Just turn on "Spam Database" and enjoy a life free of spam, no additional charges needed! The database is provided by HKJunkCall.
“CALLER IDENTIFICATION”: Enjoy real-time caller identification! Call Defender shows the name of public or private organizations when they are calling you. Call Defender can identify over 500 thousand HK phone numbers which include hospitals, educational institutions and so on. You may want to pick up a call from the hospital even if you are in the middle of a important meeting, right? The data comes from HKJunkCall Whitelist, community, Internet, websites and number owners. We DONT upload the contact books of users.
“REALTIME DATABASE”: The system checks the database every 10 minutes, and updates to the device when there is a new spam number, effectively eliminating all spam calls that frequently harass people.
Call Defender provides the simplest way to block unwanted calls and protect your privacy with ease. Call defender also lets you know who is calling using our comprehensive global database with over 700 million numbers.
【 Product Features】
► Block Spam Calls automatically.
► Identify Unknown Calls
► Advance settings for customizing block calls.
► Search spam number database.
► Provide Daily Call Report for any blocked/missed calls.
► Anti-fraud Information Center, providing education messages about fraud to user.
Notes
• To make sure Call Defender works properly, please load the app at least once after installation.
• The point-rewards system will be deprecated.
• If you are using optimization software, make sure to put Call Defender as a trusted app.
• Network connection is required for database download or caller ID feature
• Devices using unofficial Android framework may have compatibility issues.
Privacy Policy: https://www.call-defender.com/privacy.html
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Call Defender - Caller ID
- Developer
- Gogolook
- Bundle ID
- com.studiokuma.callfilter
- App Store URL
- Open in App Store
- Category
- Communication
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- call-defender.com
- 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
- $2.2K/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $0.99 - $99.99 per item
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
📈Ratings growth109,173 ratings+-6% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
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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