49
BU Score
Emerging
Talking Calculator
✍️ bumetric analysis
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Talking Calculator is an Android app from Pentawire in the Tools category, currently rated 3.9★ across 107 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Our BU Score puts it at 49: Emerging (early traction worth watching). For a Tools app, that means early traction worth watching.
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
—
Reviews
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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 3 of 3 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mature app (9y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (107 ratings)METRIC | +$400 |
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 →🔖 vVaries with device🔄 updated 3mo ago📂 Tools💰 Free📺 Ad-supported🚀 Launched 2016 (9y old)
📝 About this app
The app is designed as a compensatory-speech tool for the inclusion of sudents with Special Educational Needs and Disabilities (SEND).
Thanks to the clarity of speech, ease of use and size of the keys this application is ideal for anyone who has difficulty in recognizing numbers or figures.
The calculator includes:
- The four fundamental operations (sum, product, multiplication and division);
- Additional functions such as square root, percentage, exponentiation and so on;
- The mute function that disables the sounds;
- Graphical appearance selectable between various shades.… View full description on the official store →
Thanks to the clarity of speech, ease of use and size of the keys this application is ideal for anyone who has difficulty in recognizing numbers or figures.
The calculator includes:
- The four fundamental operations (sum, product, multiplication and division);
- Additional functions such as square root, percentage, exponentiation and so on;
- The mute function that disables the sounds;
- Graphical appearance selectable between various shades.… View full description on the official store →
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Talking Calculator
- Developer
- Pentawire
- Bundle ID
- com.pentawire.talkingcalculator
- App Store URL
- Open in App Store
- Category
- Tools
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- pentawire.altervista.org
- 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
- $205/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
📈Ratings growth107 ratings+26% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (36 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.
Full revenue analysis
Read the article-style breakdown for Talking Calculator: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.