TimeCalc: Time Calculator

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TimeCalc: Time Calculator
TimeCalc: Time Calculator is an Android app from Hà Thành in the Tools category, currently rated 3.9★ across 4,503 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 58: Solid (established niche player). For a Tools 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 |
| ⚙ Tools complexity ×0.90 | $-5949 |
| 🌐 Cross-platform reach (iOS + Android) | +$29K |
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% |
| 🏷 Tools category multiple | -8% |
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.
| 📲 Tools engagement | ~190 installs / rating |
| 🔁 Tools D30 retention | 22% |
| 📍 DAU / MAU stickiness | 0.18 |
How we forecast this revenue
MEDIUM CONFIDENCEBU Investment Matrix
Below median · 52/100MID TIERunderperforming peers- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 3.94★ across 4,503 reviews — solid.
- 📍 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| Low install base (4,503 ratings)METRIC | +$1,500 | |
| Mature app (8y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 |
📈 Reviews Growth
LIVE⭐ Rating Trend
LIVEProfile & Insights
Identification
- App name
- TimeCalc: Time Calculator
- Developer
- Hà Thành
- Bundle ID
- com.teaxapp.hourcal
- App Store URL
- Open in App Store
- Category
- Tools
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- teaxapp.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
- $756/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $0.99 - $10.99 per item
Founder
Funding
Press & Links
Contacts & Socials
📈Ratings growth4,503 ratings+22% lifetimeShow 3-year history estimate ▾
📝 About this app
add and subtract hours, track work durations, calculate future dates, and find exact age in seconds.
TIME CALCULATOR
Add, subtract multiple time values in sequence.
Instant results, calculation history saved.
Examples:
2h 35m + 3h 45m = 6h 20m
12h 20m − 4.5h = 7h 50m
4h 52m × 3 = 14h 36m
1h ÷ 20m = 3
Convert between time units:
456m = 7h 36m = 7.6h
TIME BETWEEN (DURATION)
Enter any start and end time to calculate the exact duration.
Organize into separate categories.
Export PDF reports (Premium).… View full description on the official store →
Tech & Domain Intel — teaxapp.com
- Mail provider
- Yandex Mail
- Tech stack
- Google Workspace
Track this app’s revenue
FREE📝 Description
95
Why medium confidence: 4,503 ratings · no founder-verified revenue (model estimate only).




