Programming languages

50
Programming languages is an Android app from 99 Dictionaries: The world of terms in the Books & Reference category, currently rated 4.0★ across 117 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 50: 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 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
Below median · 52/100MID TIERunderperforming peers- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.0★ across 117 reviews — below category median.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 546d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (546d since update).
💰 Forecast Revenue / mo
MODEL| Good rating (4.0★)METRIC | +$800 | |
| Established app (6y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (117 ratings)METRIC | +$400 |
📈 Reviews Growth
LIVE⭐ Rating Trend
LIVEProfile & Insights
Identification
- App name
- Programming languages
- Developer
- 99 Dictionaries: The world of terms
- Bundle ID
- com.dictionary.programming.languages.programminglanguages
- App Store URL
- Open in App Store
- Category
- Books & Reference
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- c49caa863.app-ads-txt.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
- $57/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $2.49 per item
Founder
Funding
Press & Links
Contacts & Socials
📈Ratings growth117 ratings+89% lifetimeShow 3-year history estimate ▾
📝 About this app
Programming languages is a complete free handbook of terminology with diagrams and graphs, which covers the most important terms and concepts. This is very useful for polytechnic student or a professional that needs an offline book.
You can use it as a reference material and free digital book for professional terminology. The detailed information are very helpful to bind all the areas related to the concept.
The glossary is very detailed and easy to comprehend. It's the best way to not forget anything. So much information for each category.… View full description on the official store →
Track this app’s revenue
FREE📝 Description
95
More by 99 Dictionaries: The world of terms
View all →Why medium confidence: 117 ratings · no founder-verified revenue (model estimate only).




