| Core Identity |
| Developer | StudySwitch, Inc. | Technorex Softwares | NumberClub | OCD Inc. | Regular Berry LLC | Little 10 Robot | CASIO COMPUTER CO., LTD. | CASIO COMPUTER CO., LTD. | CASIO COMPUTER CO., LTD. | Glindemann, Sennoun, Langer GbR |
| Category | Education | Educational | Education | Education | Education | Education | Education | Education | Education | Education |
| Platform | iOS, Android | Android, iOS | iOS, Android | iOS, Android | iOS | iOS | iOS, Android | iOS, Android | iOS, Android | iOS |
| Store Metrics |
| Rating | 4.8 / 5 | 0.0 / 5 | 4.8 / 5 | 0.0 / 5 | 4.7 / 5 | 4.5 / 5 | 2.1 / 5 | 2.7 / 5 | 3.4 / 5 | 4.5 / 5 |
| Ratings Count | 26 | 0 | 10 | 0 | 987 | 30 | 8 | 9 | 11 | 26 |
| Price | Free | Free | $2.99 | Free | Free | $2.99 | Free | Free | Free | Free |
| Release Date | Aug 18, 2015 | Oct 4, 2020 | May 15, 2020 | Apr 25, 2026 | Sep 14, 2020 | Apr 19, 2013 | Jul 30, 2023 | Aug 31, 2017 | Jul 3, 2017 | Aug 21, 2017 |
| Last Updated | Dec 10, 2025 | Feb 4, 2023 | Feb 16, 2021 | Apr 25, 2026 | Apr 15, 2026 | May 12, 2018 | Nov 5, 2024 | Jun 25, 2025 | Jun 25, 2025 | May 5, 2026 |
| Sentiment & Reviews |
| Sentiment | - | - | excellent | positive | mixed | - | - | - | terrible | - |
| Score | - | - | 90/100 | 75/100 | 65/100 | - | - | - | 20/100 | - |
| Praises | - | - | - Proportional bar visuals help students develop multiplicative reasoning skills without relying on rote memorization
| - Educational math exercises provide effective skill reinforcement for children across various primary grade levels
- Gamified learning structure keeps children engaged and motivated to complete multiple math problems daily
| - Visual algebraic learning method helps students grasp complex concepts through intuitive touch interactions
| - | - | - | - The core calculator engine provides a familiar and reliable mathematical experience for students
| - |
| Complaints | - | - | - Lack of explicit instructional guidance makes independent play difficult for students struggling with non-addition strategies
| - UI layout issues cause text overlap and menu obstruction on specific mobile device screen sizes
- Systematic error notifications appear incorrectly after every answer regardless of the user input accuracy
| - Aggressive paywall implementation limits access to advanced content and frustrates users expecting a free experience
| - | - | - | - Aggressive subscription model forces recurring payments for essential features that should be one-time purchases
| - |
| Requests | - | - | - Inclusion of explicit examples demonstrating how to split numbers into different factors for better clarity
| - Timed challenge modes requested to introduce competitive elements and increase the difficulty for advanced students
| - Removal of timer constraints in challenge sections to allow for focused and stress-free practice
| - | - | - | - Implementation of a one-time purchase option to replace the current monthly subscription model
| - |
| Strategic Intel |
| Strengths | - Curriculum alignment with Japanese math test standards sustains organic install velocity.
- Handwriting input mechanism provides a tactile scratchpad experience for complex calculations.
| - | - Visual splitting mechanics differentiate from rote-drill competitors
- Multi-user profile support increases classroom utility per device
- Ad-free, distraction-free environment builds trust with educators
| - Focused arithmetic-fluency curriculum
- Distraction-free interface design
| - Kinesthetic interface creates a unique pedagogical moat
- ClassKit integration enables institutional B2B distribution
- Error-proof design builds user confidence
| - | - | - | - Familiarity with physical ClassPad hardware drives retention among legacy users
- Integrated CAS engine provides advanced symbolic manipulation capabilities
| - Distraction-free interface lowers cognitive load for rapid arithmetic verification
- Automated error detection differentiates the input experience from basic calculators
|
| Weaknesses | - Zero Android rating volume indicates poor visibility or acquisition failure on the platform.
- Static drill-based interface lacks the engagement loops found in modern gamified competitors.
| - | - High Android price point ($5.49) relative to free alternatives
- Lack of in-game instructional tutorials for independent learners
- Low review volume (5 reviews) limits social proof
| - UI text-overlap issues on Android
- Persistent false-error pop-ups
- Subscription-gated progress tracking
| - Sensitive touch controls trigger accidental resets
- Paywall transition is perceived as abrupt
- Timed challenges undermine non-punitive learning design
| - | - | - | - Subscription-only model at $1.99/month triggers high user frustration
- Lack of tablet split-screen support limits academic productivity
- Touch interface is poorly optimized for mobile screens
| - Manual data entry model creates friction compared to AI-based photo scanning
- Lack of gamified retention loops limits long-term daily active usage
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| Pricing | freemium | free | paid | freemium | freemium | paid | free | subscription | subscription | freemium |
| Momentum | Maintenance | Maintenance | Maintenance | Maintenance | Maintenance | - | - | - | - | Maintenance |
| Update Cadence | 5 versions, 4 majors/6mo, ~298d avg | 3 versions | 5 versions | 2 versions, 1 majors/6mo, ~89d avg | 1 versions | - | - | - | - | 1 versions |
