USA and Euro Coins

54
USA and Euro Coins
USA and Euro Coins is an Android app from Trion in the Books & Reference category, currently rated 3.9★ across 1,122 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 54: Solid (established niche player). For a Books & Reference app, that means established niche player. The full BU Investment Matrix below scores 8 dimensions including monetisation, growth, and operational risk.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
- Title & subtitle keyword fit
- Description hook & conversion structure
- Screenshots, ratings, reviews strategy
📊 Performance Tracking LIVE
Synthetic estimate. Inputs: category complexity, file size, screen count, monetization layer, platform reach, age × team-size proxy. Calibrated against 2024-2026 indie-agency rate surveys. Full math + source list on /methodology.
| 🧱 MVP baseline (design + 1-store ship) | +$28K |
| 📱 5 unique screens × $4.5K | +$22K |
| 💎 In-app purchase plumbing | +$9K |
| ⚙ Books & Reference complexity ×0.95 | $-2975 |
| 🌐 Cross-platform reach (iOS + Android) | +$31K |
Synthetic estimate. Multiple band derived from iap / freemium model + age, rating quality, category demand, and user-base maturity. Calibrated against 2024-2026 indie-app-marketplace closed-deal medians. Full math + comparable deal list on /methodology.
| 💎 IAP / freemium model base | 28× MRR |
| ⭐ ★ rating 3.5-4.0 (mixed) | -8% |
| 🏷 Books & Reference category multiple | -2% |
Synthetic estimate from ratings × category benchmarks. Calibrated against 2024-2026 mobile-attribution retention + DAU/MAU reports. Numbers are US-storefront-equivalent — true global audience can be 5-10× larger for international apps. Full math + source list on /methodology.
| 📲 Books & Reference engagement | ~110 installs / rating |
| 🔁 Books & Reference D30 retention | 10% |
| 📍 DAU / MAU stickiness | 0.20 |
How we forecast this revenue
MEDIUM CONFIDENCEBU Investment Matrix
Building · 58/100MID TIERcompetitive build-out- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 3.91★ across 1,122 reviews — solid.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: last update 230d ago — slow cadence.
- ⚠️ Risk: Low — no material risk signals detected.
💰 Forecast Revenue / mo
MODEL| Low install base (1,122 ratings)METRIC | +$1,500 | |
| Mature app (13y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 |
📈 Reviews Growth
LIVE⭐ Rating Trend
LIVEProfile & Insights
Identification
- App name
- USA and Euro Coins
- Developer
- Trion
- Bundle ID
- an.osintsev.usaeurocoins
- App Store URL
- Open in App Store
- Category
- Books & Reference
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- trionclub.ru
- 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
- $579/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $3.99 per item
Founder
Funding
Press & Links
Contacts & Socials
📈Ratings growth1,122 ratings+10% lifetimeShow 3-year history estimate ▾
📝 About this app
Contains the complete list of commemorative and regular US and Euro coins with their prices.
Allows to specify the number of coins you have in your collection and the grading of coins.
Allows to view your collection in table mode and export it to Excel!
You can leave notes and comments to coins.
Has the ability to make backup copy of your collection, which can be transferred to another device.
The application contains prices of coins.
Rare coins have yellow background, rarity coins have red background.… View full description on the official store →
Track this app’s revenue
FREE📝 Description
95
More by Trion
View all →Why medium confidence: 1,122 ratings · no founder-verified revenue (model estimate only).




