| Core Identity |
| Developer | Tim O's Studios, LLC | Impala Studios | Google | Apple | Desmos | Jindrich Houska |
| Category | Utilities | Utilities | Education | Utilities | Education | Utilities |
| Platform | Android, iOS | Android, iOS | Android, iOS | Android, iOS | iOS, Android | Android, iOS |
| Store Metrics |
| Rating | 4.9 / 5 | 4.7 / 5 | 4.8 / 5 | 3.0 / 5 | 4.3 / 5 | 4.6 / 5 |
| Ratings Count | 408,225 | 1,715,926 | 733,139 | 9,319 | 323 | 205 |
| Price | Free | Free | Free | Free | Free | Free |
| Release Date | Dec 21, 2011 | Oct 22, 2010 | Oct 17, 2014 | May 10, 2016 | Oct 25, 2018 | Oct 15, 2022 |
| Last Updated | May 2, 2025 | Apr 23, 2026 | Feb 12, 2026 | Dec 12, 2025 | Jan 29, 2026 | Apr 23, 2026 |
| Sentiment & Reviews |
| Sentiment | mixed | mixed | mixed | - | - | - |
| Score | 35/100 | 45/100 | 45/100 | - | - | - |
| Praises | - Simple and accurate calculation interface provides reliable utility for everyday math tasks
- Large button layout improves usability compared to standard factory calculator apps
| - All-in-one utility including scientific functions and unit converters provides significant daily value
| - Step by step math explanations provide significant academic support for students across various grade levels
| - | - | - |
| Complaints | - Intrusive full-screen advertisements interrupt calculation flow and block core functionality
- Recent design changes removed essential quick-answer displays and modified button placement
- Technical instability including unexpected app closures and lock-screen redirects
| - Removal of the running total feature post-update disrupts established user calculation habits
| - Inaccurate problem recognition and incorrect solutions frequently frustrate users following the latest update
| - | - | - |
| Requests | - Integration of currency and unit conversion tools for broader utility
| - Integration of currency converter and memory functions into the core stock calculator experience
| - Expanded camera scanning area would allow users to capture and solve longer math problems
| - | - | - |
| Strategic Intel |
| Strengths | - High-visibility button layout reduces input error rates
- Material 3 design maintains current platform aesthetic standards
| - 200 million download footprint provides massive top-of-funnel acquisition
- All-in-one utility design creates high daily session utility
- VoiceOver and high-contrast accessibility features expand addressable market
| - Google-backed OCR engine provides industry-leading handwriting recognition
- Pedagogical focus on step-by-step logic builds brand trust
- 24/7 availability replaces traditional tutor costs
| - Native iPadOS and Apple Pencil integration
- Math Notes allows real-time variable manipulation
- Zero-cost utility for ecosystem users
| - | - |
| Weaknesses | - Intrusive full-screen ads interrupt calculation flow
- Recent UI changes removed real-time sum previews
- Technical instability reported post-update
| - Removal of running total feature disrupts power-user calculation habits
- Aggressive subscription prompts drive high churn in the free tier
- UI scaling issues on non-full-screen devices hinder input visibility
| - Premium tier pricing exceeds the category median
- OCR regressions in the latest release drive negative sentiment
- Limited scanning frame size restricts complex problem capture
| - Low user rating (2.98) suggests UX friction
- Lack of step-by-step explanations for solutions
- Basic history management compared to power-user alternatives
| - | - |
| Pricing | free | freemium | freemium | free | free | free |
| Momentum | Maintenance | Active | Maintenance | Maintenance | Active | Intense |
| Update Cadence | 5 versions, 1 majors/6mo, ~379d avg | 5 versions, 3 majors/6mo, ~14d avg | 5 versions, ~72d avg | 1 versions | 5 versions | 5 versions |
