| Core Identity |
| Developer | Incpt.Mobis | Impala Studios | 7th Gear | GeoGebra GmbH | Chegg, Inc. | Symbolab | Noriyasu Kutsuzawa | MoseratumApps |
| Category | Utilities | Utilities | Utilities | Education | Education | Education | Utilities | Tools |
| Platform | Android, iOS | Android, iOS | iOS, Android | iOS, Android | iOS | iOS | iOS, Android | Android, iOS |
| Store Metrics |
| Rating | 4.6 / 5 | 4.7 / 5 | 4.8 / 5 | 4.3 / 5 | 4.9 / 5 | 4.6 / 5 | 4.8 / 5 | 4.5 / 5 |
| Ratings Count | 35,622 | 1,715,926 | 4,260 | 282 | 424,785 | 25,998 | 1,847 | 323 |
| Price | Free | Free | $0.99 | Free | Free | Free | Free | Free |
| Release Date | Aug 31, 2011 | Oct 22, 2010 | May 2, 2011 | Nov 28, 2016 | Sep 4, 2012 | May 21, 2014 | Jul 9, 2013 | Feb 28, 2023 |
| Last Updated | Mar 12, 2026 | Apr 23, 2026 | Dec 9, 2020 | Mar 19, 2026 | Apr 14, 2026 | Dec 17, 2025 | Jul 15, 2025 | May 5, 2026 |
| Sentiment & Reviews |
| Sentiment | negative | mixed | mixed | - | terrible | - | - | - |
| Score | 35/100 | 45/100 | 55/100 | - | 20/100 | - | - | - |
| 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
| - | - Step by step equation breakdown helps students grasp difficult mathematical concepts independently
- Snap and solve camera feature provides quick homework assistance for complex equations
| - | - | - |
| Complaints | - Aggressive full-screen advertisements interrupt core functionality and degrade the user experience
| - 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
| - | - Persistent cookie consent overlay blocks critical answer visibility on mobile screens
- Frequent forced sign in cycles disrupt homework flow and user retention
- Inconsistent problem solving accuracy leads to distrust in the core utility
| - | - | - |
| Requests | - Integration of unit and currency conversion tools to match stock calculator capabilities
| - 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
| - | - | - | - | - |
| Strategic Intel |
| Strengths | - Mathematical display engine functions as a brand moat by increasing academic switching costs
- History tape retention loop reduces friction for repetitive multi-step calculations
| - 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
| - | - Multi-subject calculator suite provides utility across the entire academic curriculum
- Established brand trust in the dedicated math-solver niche
| - | - | - |
| Weaknesses | - Aggressive full-screen ad frequency drives high churn among core utility users
- Recent UI regressions removed essential quick-answer displays, alienating long-term power users
| - 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
| - | - Persistent cookie banner blocks primary value delivery
- Forced logout loops disrupt active study sessions
- Premium tier lacks conversational AI feedback
| - | - | - |
| Pricing | freemium | freemium | paid | free | subscription | freemium | freemium | free |
| Momentum | Maintenance | Active | Zombie | Intense | Maintenance | - | Maintenance | Intense |
| Update Cadence | 5 versions, 5 majors/6mo, ~144d avg | 5 versions, 3 majors/6mo, ~14d avg | 5 versions, 3 majors/6mo, ~897d avg | 5 versions | 2 versions, 1 majors/6mo, ~26d avg | - | 5 versions | 5 versions |
