57
BU Score
Solid
Who - Caller ID, Spam Block
✍️ bumetric analysis
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Who - Caller ID, Spam Block is an Android app from RD Labs LLC in the Communication category, currently rated 3.6★ across 19,433 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Our BU Score puts it at 57: 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.
📊 Performance Tracking LIVE
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Rating
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Reviews
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Forecast Revenue / mo
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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 3 of 3 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (19,433 ratings)METRIC | +$5,500 | |
| Established app (6y old)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.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v24.1🔄 updated 1mo ago📂 Communication💰 Free💎 IAP $1.99 - $49.99 per item🚀 Launched 2019 (6y old)
📝 About this app
WHO is the world’s best Caller ID, spam blocking app. Manage all your calls and messages quickly, by filtering out telemarketers, robocalls and other unwanted disturbances. With a community-based spam list updated by millions of users worldwide, WHO is the only app you need to make your communication safe and efficient.
WHO is the trusted source for people search, phone numbers, reverse phone lookup and background checks that include public records.
<b>TRUE CALLER IDENTIFICATION - CALLER ID</b>
✅ The world’s best Caller ID will identify anyone calling you… View full description on the official store →
WHO is the trusted source for people search, phone numbers, reverse phone lookup and background checks that include public records.
<b>TRUE CALLER IDENTIFICATION - CALLER ID</b>
✅ The world’s best Caller ID will identify anyone calling you… View full description on the official store →
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Who - Caller ID, Spam Block
- Developer
- RD Labs LLC
- Bundle ID
- com.cascadialabs.who
- App Store URL
- Open in App Store
- Category
- Communication
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- whoapp.us
- 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
- $949/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $1.99 - $49.99 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 growth19,433 ratings+58% 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.
More by RD Labs LLC
View all →
Full revenue analysis
Read the article-style breakdown for Who - Caller ID, Spam Block: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.