Date Calculator

0
Date Calculator is an Android app from Kou The End in the Tools category, currently rated — across few ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 0: Niche (micro-niche or pre-traction stage). For a Tools app, that means micro-niche or pre-traction stage. 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 |
| ⚙ Tools complexity ×0.90 | $-5049 |
| 🌐 Cross-platform reach (iOS + Android) | +$24K |
How we forecast this revenue
LOW CONFIDENCEBU Investment Matrix
Pre-traction · 30/100INDIE TIERlimited signal- 💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: None★ across 0 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 1249d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (1249d since update).
💰 Forecast Revenue / mo
MODEL📈 Reviews Growth
LIVE⭐ Rating Trend
LIVEProfile & Insights
Identification
- App name
- Date Calculator
- Developer
- Kou The End
- Bundle ID
- com.kouji1981.date
- App Store URL
- Open in App Store
- Category
- Tools
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.koutheend.com
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Reported revenue signal / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $111/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- Not found
Founder
Funding
Press & Links
Contacts & Socials
📝 About this app
You can easily check dates such as anniversaries because you can calculate the number of days from the date or the date from the number of days.
You can also specify whether to include the start date or not.
・Calculate the number of days from a date
You can calculate the number of days between start and end dates. In addition to notation by year, month and day, it is also displayed by month and day, or day only.
・Calculate date by date + number of days… View full description on the official store →
Track this app’s revenue
FREE📝 Description
95
More by Kou The End
View all →Why low confidence: only 0 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.
Date Calculator is a very early-stage Android app in the tools space with weak public traction — only 0 ratings, no founder-verified MRR, and not ranked in any monitored grossing chart. The app appears to be monetised, but public signals are too sparse for a precise revenue estimate.
Bottom line: treat all revenue, audience and acquisition-value numbers on this page as directional only — not founder-verified facts.



