53
BU Score
Solid
Тренажер устного счета
✍️ bumetric analysis
“
Тренажер устного счета is an iOS app from ARTEM KAZANOVICH in the News category, currently rated 4.1★ across 23 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Our BU Score puts it at 53: Solid (established niche player). For a News app, that means established niche player.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
📊 Performance Tracking LIVE
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Rating
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Reviews
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Forecast Revenue / mo
—
Snapshots tracked
0
since first record
Range:
💰 Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 6 of 6 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mature app (11y old)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| Good rating (4.1★)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Localized (6 languages)METRIC | +$600 | |
| Pre-traction phase (23 ratings)METRIC | −$300 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Aug 24
Oct 25
Feb 26
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →💾 51 MB🔞 4+📱 iOS 13.0+🔖 v2.7.3🔄 updated 1y ago🌐 EN, FR, DE, PT, RU +1📂 News💰 Paid🚀 Launched 2014 (11y old)
📝 About this app
Mental Math Trainer for any age
With Mental Math Trainer, you can improve how fast you add, subtract, multiply, and divide. These exercises will also enhance your attention span and intelligence. Practice just 5 minutes a day to see progress in one week. After a few weeks of training, your improvement will be even more pronounced.
- 100% free, no ads or in-app fees
- High user rating - more than 4.5 on average
- One of the most downloaded math apps
- Does not require registration and does not collect personal data
- Takes up very little space on your smartphone
- Flexible settings and detailed statistics of your results
The Mental Math Trainer is designed to train mental calculation skills at any age. It can be used by students who are studying mathematics in school and by adults for exam preparation, enhancing general math skills, or brain training.
• ELEMENTARY SCHOOL MATH
Students increase their confidence by solving mental math problems at different levels of complexity. With Mental Math Trainer, students will master mental calculations from simple addition and subtraction to complex multiplication and division. They will master the multiplication table. The Mental Math Trainer builds mathematical skill and speed necessary to succeed in state math exams, ERB CTP assessments, NAEP, elementary level SSAT, as well as entrance exams for Gifted and Talented programs, SCAT for John Hopkins CTY (Center for Talented Youth), primary level ISEE and other entrance exams to selective schools. The Mental Math Trainer will also prepare elementary school students for math competitions such as MOEMS (Math Olympiads for Elementary and Middle Schools) and Math Kangaroo.
• MIDDLE SCHOOL MATH
Master mental calculation to succeed in Math, Pre-Algebra, and Algebra. The Mental Math Trainer will help middle school students build math skills and speed, and prepare for state exams and assessments in mathematics, such as CTP, NAEP, TACHS, COOP, PSAT 8/9, and admission tests for specialized and selective high schools such as SSAT, ISEE, SHSAT, HSPT, as well as for math competitions such as MathCounts, AMC 8, Math Kangaroo, and CML (Continental Math league). Mental Math Trainer will also help prepare for school exams in the UK: GCSE, IGCSE, GCE O-Level.
• HIGH SCHOOL MATH AND PREPARATION FOR STANDARDIZED COLLEGE ADMISSION TESTS
Boost your mental math abilities to succeed in Algebra, Geometry, Pre-Calculus, Calculus, and Statistics. The Mental Math Trainer will help high school students prepare for state exams and assessments in mathematics such as upper level SSAT, ISEE, NAEP, as well as build math skills and speed necessary for PSAT/NMSQT, SAT and ACT and even ASVAB. Mental Math Trainer will also help prepare for exams in the UK and worldwide: GCE A-Level, IB (International Baccalaureate), AP (Advanced Placement).
• MATH FOR COLLEGE STUDENTS, ADULTS AND PROFESSIONALS
Use Mental Math Trainer to improve your math skills for exams, such as Mathematics, Statistics and Calculus AB/BC in college, GRE for a wide variety of graduate school programs, GMAT and EA (Executive Assessment) for business schools and MBA programs, TASC, HiSET or GED to get a high school equivalency diploma for adults.
• MATHEMATICS FOR BRAIN AT ANY AGE
Improve attention, reaction, and speed of your mind with the Mental Math Trainer. Mathematics and mental calculation are popular tools for boosting your memory, attention span, and intelligence. The practice of mental math is the most accessible mathematics activity for children and adults, requiring no prior knowledge or skills. Practice mental calculation to stimulate your mind and tackle math problems you encounter in your daily life.
With Mental Math Trainer, you can improve how fast you add, subtract, multiply, and divide. These exercises will also enhance your attention span and intelligence. Practice just 5 minutes a day to see progress in one week. After a few weeks of training, your improvement will be even more pronounced.
- 100% free, no ads or in-app fees
- High user rating - more than 4.5 on average
- One of the most downloaded math apps
- Does not require registration and does not collect personal data
- Takes up very little space on your smartphone
- Flexible settings and detailed statistics of your results
The Mental Math Trainer is designed to train mental calculation skills at any age. It can be used by students who are studying mathematics in school and by adults for exam preparation, enhancing general math skills, or brain training.
• ELEMENTARY SCHOOL MATH
Students increase their confidence by solving mental math problems at different levels of complexity. With Mental Math Trainer, students will master mental calculations from simple addition and subtraction to complex multiplication and division. They will master the multiplication table. The Mental Math Trainer builds mathematical skill and speed necessary to succeed in state math exams, ERB CTP assessments, NAEP, elementary level SSAT, as well as entrance exams for Gifted and Talented programs, SCAT for John Hopkins CTY (Center for Talented Youth), primary level ISEE and other entrance exams to selective schools. The Mental Math Trainer will also prepare elementary school students for math competitions such as MOEMS (Math Olympiads for Elementary and Middle Schools) and Math Kangaroo.
• MIDDLE SCHOOL MATH
Master mental calculation to succeed in Math, Pre-Algebra, and Algebra. The Mental Math Trainer will help middle school students build math skills and speed, and prepare for state exams and assessments in mathematics, such as CTP, NAEP, TACHS, COOP, PSAT 8/9, and admission tests for specialized and selective high schools such as SSAT, ISEE, SHSAT, HSPT, as well as for math competitions such as MathCounts, AMC 8, Math Kangaroo, and CML (Continental Math league). Mental Math Trainer will also help prepare for school exams in the UK: GCSE, IGCSE, GCE O-Level.
• HIGH SCHOOL MATH AND PREPARATION FOR STANDARDIZED COLLEGE ADMISSION TESTS
Boost your mental math abilities to succeed in Algebra, Geometry, Pre-Calculus, Calculus, and Statistics. The Mental Math Trainer will help high school students prepare for state exams and assessments in mathematics such as upper level SSAT, ISEE, NAEP, as well as build math skills and speed necessary for PSAT/NMSQT, SAT and ACT and even ASVAB. Mental Math Trainer will also help prepare for exams in the UK and worldwide: GCE A-Level, IB (International Baccalaureate), AP (Advanced Placement).
• MATH FOR COLLEGE STUDENTS, ADULTS AND PROFESSIONALS
Use Mental Math Trainer to improve your math skills for exams, such as Mathematics, Statistics and Calculus AB/BC in college, GRE for a wide variety of graduate school programs, GMAT and EA (Executive Assessment) for business schools and MBA programs, TASC, HiSET or GED to get a high school equivalency diploma for adults.
• MATHEMATICS FOR BRAIN AT ANY AGE
Improve attention, reaction, and speed of your mind with the Mental Math Trainer. Mathematics and mental calculation are popular tools for boosting your memory, attention span, and intelligence. The practice of mental math is the most accessible mathematics activity for children and adults, requiring no prior knowledge or skills. Practice mental calculation to stimulate your mind and tackle math problems you encounter in your daily life.
🆕 What's New · v2.7.3
We’ve made some improvements and added localizations for 4 languages.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Тренажер устного счета
- Developer
- ARTEM KAZANOVICH
- Bundle ID
- com.education4all.mentalCoach
- App Store URL
- Open in App Store
- Category
- News
- Content rating
- 4+
- Languages
- EN, FR, DE, PT, RU, ES
Company
- Website
- cas.ai
- Tagline
- Effortless Mobile App Monetization & Publishing – All in One Platform
- Description
- CAS.AI – ad mediation and game publishing in one platform. 5,000+ apps,1B+ monthly impressions, x1.5–x2 ARPU growth.One SDK, 20+ networks, 150+ DSPs. Start free.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- OG image
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $8.1K/mo
- Top-grossing rank
- Outside top 100 in US News
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- Not found
- https://www.linkedin.com/company/clever-ads-solutions/
- GitHub
- https://github.com/cleveradssolutions
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- https://cas.ai/blog/
- Press / News
- Not found
Contacts & Socials
- Socials
- github · instagram · linkedin · youtube
- Not found
- Phone
- Not found
- Contact page
- https://cas.ai/contacts/
- About page
- https://cas.ai/company/
⭐Recent App Store Reviews11 latest · avg 4.0★ · 72.7% 5★ · 18.2% 1★
5★8 (73%)
4★0 (0%)
3★0 (0%)
2★1 (9%)
1★2 (18%)
+11 ratings/week
Praise: great ×3 excellent ×1 love ×1 best ×1 recommend ×1
Top positive
★★★★★ Супер приложение!
Очень понравилось, всем рекомендую!…
★★★★★ Спасибо, буду играть)
Простое и полезное приложение. Уверена, что устный счет тренирует мозг, улучшается внимательность и память. Рекомендую.…
Top negative
★☆☆☆☆ Пошла реклама
Жаль. Пришлось удалить…
★☆☆☆☆ From like to dislike
Have been used for a long time. I liked it. Then recently you started to improve something — appeared ads and statistics changed. And where is support? Dislike!…
📈Ratings growth23 ratings+1050% lifetimeShow 3-year history estimate ▾
Tracked (12 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
Full revenue analysis
Read the article-style breakdown for Тренажер устного счета: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
