| Core Identity |
| Developer | Ratha Sou | Impala Studios | 7th Gear | DigitAlchemy LLC | Andrew J Clark | Fenuku Kekeli | Google |
| Category | Utilities | Utilities | Utilities | Productivity | Utilities | Utilities | Education |
| Platform | Android, iOS | Android, iOS | iOS, Android | Android, iOS | iOS | iOS, Android | Android, iOS |
| Store Metrics |
| Rating | 4.7 / 5 | 4.7 / 5 | 4.8 / 5 | 4.9 / 5 | 4.8 / 5 | 0.0 / 5 | 4.8 / 5 |
| Ratings Count | 346,409 | 1,715,926 | 4,260 | 751 | 1,314 | 0 | 733,139 |
| Price | Free | Free | $0.99 | $3.99 | Free | Free | Free |
| Release Date | Aug 14, 2013 | Oct 22, 2010 | May 2, 2011 | Apr 18, 2012 | Feb 13, 2014 | Jul 28, 2025 | Oct 17, 2014 |
| Last Updated | Mar 2, 2026 | Apr 23, 2026 | Dec 9, 2020 | May 28, 2024 | Oct 21, 2024 | Apr 13, 2026 | Feb 12, 2026 |
| Sentiment & Reviews |
| Sentiment | mixed | mixed | mixed | - | positive | - | mixed |
| Score | 55/100 | 45/100 | 55/100 | - | 82/100 | - | 45/100 |
| Praises | - Simple and accurate calculation logic provides reliable utility for everyday math tasks
| - All-in-one utility including scientific functions and unit converters provides significant daily value
| - Simple and accurate calculation tools provide reliable utility for everyday personal and business tasks
- Integrated note-taking and calculation logs assist users in managing complex multi-step financial references
- One-time purchase model offers a fair value proposition compared to subscription-based calculator alternatives
| - | - Real-time calculation history allows users to track and verify complex math sequences without re-entering data
| - | - Step by step math explanations provide significant academic support for students across various grade levels
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| Complaints | - Post-update UI changes remove essential quick-answer displays and increase button size
| - Removal of the running total feature post-update disrupts established user calculation habits
| - Recent design changes post-update removed critical quick-answer displays and altered input box functionality
- Technical regressions post-update cause application instability and unexpected navigation to the device lock screen
- Widget functionality remains broken or unresponsive on specific iPad and iPhone hardware configurations
| - | - Widget functionality remains inconsistent or slow to respond following the latest update for newer operating systems
| - | - Inaccurate problem recognition and incorrect solutions frequently frustrate users following the latest update
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| Requests | - Integration of advanced financial tools like currency conversion and memory functions
| - Integration of currency converter and memory functions into the core stock calculator experience
| - Integration of specialized conversion tools like currency and unit converters into the standard interface
- Advanced mathematical features including graphing capabilities and expanded scientific function buttons
| - | - Native application support for desktop environments would allow for better workflow integration on laptop devices
| - | - Expanded camera scanning area would allow users to capture and solve longer math problems
|
| Strategic Intel |
| Strengths | - Multi-functional utility suite increases daily active usage
- Cross-platform availability maintains consistent user workflows
| - 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
| - Leather-textured UI creates distinct brand identity
- Integrated note-taking provides utility beyond arithmetic
- One-time purchase model avoids subscription fatigue
| - | - System-wide keyboard extension replaces standard input workflows
- Minimalist expression-based interface reduces cognitive load
- iCloud history sync creates data-anchored switching costs
| - | - 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
|
| Weaknesses | - Intrusive ad placement degrades professional utility
- UI scaling changes removed real-time sum visibility
| - 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
| - 0.4★ rating gap between Android and iOS
- Broken widget functionality on newer hardware
- Lack of modern graphing capabilities
| - | - Widget performance lag in the latest update
- No desktop version for laptop workflows
- Touch registration issues on rapid input
| - | - Premium tier pricing exceeds the category median
- OCR regressions in the latest release drive negative sentiment
- Limited scanning frame size restricts complex problem capture
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| Pricing | freemium | freemium | paid | paid | free | free | freemium |
| Momentum | Maintenance | Active | Zombie | Intense | Zombie | - | Maintenance |
| Update Cadence | 5 versions, 3 majors/6mo, ~52d avg | 5 versions, 3 majors/6mo, ~14d avg | 5 versions, 3 majors/6mo, ~897d avg | 5 versions | 5 versions | - | 5 versions, ~72d avg |
