50
BU Score
Solid
Sign BSL
✍️ BU Analytics Review
“
Sign BSL is an iOS app from Daniel Mitchell in the News category, currently rated 4.6★ across 7 ratings. Initial signal reads as no scraped reviews yet — judgment based on metadata only.
Our BU Score puts it at 50 — Solid (established niche player). For a News 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.
🔬Forecast Breakdown — Why This Estimate?Top 5 of 5 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Excellent rating (4.6★)METRIC | +$2,200 | |
| Mature app (10y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Single-language (English only)METRIC | −$400 | |
| Pre-traction phase (7 ratings)METRIC | −$300 |
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 →💾 3 MB🔞 12+📱 iOS 13.0+🔖 v2.0🔄 updated 1y ago🌐 EN📂 News💰 Paid🚀 Launched 2015 (10y old)
📝 About this app
Search and compare thousands of words and phrases in British Sign Language. Easily find and view signs on your mobile device. Over 20,000 videos in this video dictionary.
For more information please visit www.signbsl.com
For more information please visit www.signbsl.com
🆕 What's New · v2.0
• New tabbed interface
• Recent and Popular signs
• Hide video controls overlay
• Loop video playback
• Add back and forward buttons to video player for quick access to alternative signs
• Don't stop audio playback from other apps when playing videos
• Show video attribution
• Favourites
• View your favourites offline
• Dark mode support
• Improve app startup behaviour for offline access
• Recent and Popular signs
• Hide video controls overlay
• Loop video playback
• Add back and forward buttons to video player for quick access to alternative signs
• Don't stop audio playback from other apps when playing videos
• Show video attribution
• Favourites
• View your favourites offline
• Dark mode support
• Improve app startup behaviour for offline access
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Sign BSL
- Developer
- Daniel Mitchell
- Bundle ID
- com.signbsl.Sign-BSL
- App Store URL
- Open in App Store
- Category
- News
- Content rating
- 12+
- Languages
- EN
Company
- Website
- www.signbsl.com
- Tagline
- Master new signs in British Sign Language anytime, anywhere
- Description
- Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection of video signs online.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- OG image
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $86/mo
- Top-grossing rank
- Outside top 100 in US News
- 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
- https://www.signbsl.com/contact
- About page
- https://www.signbsl.com/about
📈Ratings growth7 ratings+17% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
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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