
64
USA Quiz
USA Quiz is an Android app from Qbis Studio in the Trivia category, currently rated 4.8★ across 1,596 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 64: Solid (established niche player). For a Trivia 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 |
| ⚙Trivia complexity ×1.40 | +$23K |
| 🌐Cross-platform reach (iOS + Android) | +$45K |
| ⚙6.1y maintenance × ~1-person team | +$36K |
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.
| 📲Trivia engagement | ~180 installs / rating |
| 📅6.1y of rating accumulation | -30% |
| 🔁Trivia D30 retention | 7% |
| 📍DAU / MAU stickiness | 0.25 |
Heuristic guess from app bundle size, category, store description signals, and release-date stack era. Bumetric does not disassemble binaries — for binary-level certainty you would need an SDK intelligence tool or the manifest itself. Reasoning chain on the right. Full ruleset on /methodology.
| 🏷Category context | Trivia |
| 📦Tiny game bundle | → Native 2D engine |
Heuristic risk score from time-since-last-update + ratings velocity proxy + Editor's Choice / curated featuring signals. Calibrated against 2024-2025 app-store ranking decay reports. Not a guarantee — a quiet app with a healthy codebase looks the same as an abandoned one until something breaks. Full math on /methodology.
| 📅4 months since last update | Slowing cadence |
How we forecast this revenue
MEDIUM CONFIDENCEBU Investment Matrix
Building · 56/100MID TIERcompetitive build-out- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.75★ across 1,596 reviews — strong (top 10%).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: Insufficient signal to assess trajectory.
- ⚠️ Risk: Low — no material risk signals detected.
💰 Forecast Revenue / mo
MODEL| Excellent rating (4.8★)METRIC | +$2,200 | |
| Low install base (1,596 ratings)METRIC | +$1,500 | |
| Established app (6y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 |
📈 Reviews Growth
LIVE⭐ Rating Trend
LIVE📝 About this app
You want to learn USA geography but you have not enough time for that?
Here we are! With USA Quiz you will become a master in USA geography and you will have fun!
You can learn all the states with their capitals, largest cities and famous places.
Do not hesitate and download right now for free!
Full list of app learning features:
* states
* cities
* capitals
* flags
* famous places
* rivers
* mountains ranges and peaks
* national parks
* foods
Track this app’s revenue
FREEProfile & Insights
Identification
- App name
- USA Quiz
- Developer
- Qbis Studio
- Bundle ID
- com.qbisstudio.usaquiz
- App Store URL
- Open in App Store
- Category
- Trivia
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- usaquiz.qbisstudio.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
- $371/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $2.99 - $7.99 per item
Founder
Funding
Press & Links
Contacts & Socials
📈Ratings growth1,596 ratings+35% lifetimeShow 3-year history estimate ▾
More by Qbis Studio
View all →Why medium confidence: 1,596 ratings · no founder-verified revenue (model estimate only).




