| Core Identity |
| Developer | Beijing Free Calculator Technology Co., Ltd. | 7th Gear | Desmos | Google | HurryApp LTD | Tim O's Studios, LLC | Apple | Jindrich Houska |
| Category | Lifestyle | Utilities | Education | Education | Utilities | Utilities | Utilities | Utilities |
| Platform | Android, iOS | iOS, Android | iOS, Android | Android, iOS | iOS, Android | Android, iOS | Android, iOS | Android, iOS |
| Store Metrics |
| Rating | 4.3 / 5 | 4.8 / 5 | 4.3 / 5 | 4.8 / 5 | 4.0 / 5 | 4.9 / 5 | 3.0 / 5 | 4.6 / 5 |
| Ratings Count | 3,618 | 4,260 | 1,244 | 733,139 | 4 | 408,225 | 9,319 | 205 |
| Price | Free | $0.99 | Free | Free | Free | Free | Free | Free |
| Release Date | Oct 23, 2017 | May 2, 2011 | Jun 18, 2013 | Oct 17, 2014 | Mar 15, 2021 | Dec 21, 2011 | May 10, 2016 | Oct 15, 2022 |
| Last Updated | Feb 19, 2025 | Dec 9, 2020 | Mar 12, 2026 | Feb 12, 2026 | Mar 29, 2023 | May 2, 2025 | Dec 12, 2025 | Apr 23, 2026 |
| Sentiment & Reviews |
| Sentiment | mixed | mixed | excellent | mixed | mixed | mixed | - | - |
| Score | 45/100 | 55/100 | 85/100 | 45/100 | 55/100 | 35/100 | - | - |
| Praises | - Simple and accurate calculation logic provides reliable utility for everyday math tasks
| - 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
| - Versatile graphing and calculation tools provide academic utility for students and engineering professionals
- Intuitive interface design makes complex mathematical visualization accessible for casual and advanced users
- Creative features like audio tone generation and custom color palettes encourage non-academic exploration
| - Step by step math explanations provide significant academic support for students across various grade levels
| - Reliable and accurate calculation performance for everyday tasks keeps users satisfied with the core utility
| - Simple and accurate calculation interface provides reliable utility for everyday math tasks
- Large button layout improves usability compared to standard factory calculator apps
| - | - |
| Complaints | - Aggressive monetization and intrusive advertisements disrupt the core utility of the calculator
| - 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
| - Lack of a native dark mode causes eye strain during extended night-time study sessions
- UI regressions in the latest update make function selection and list management cumbersome
- Inconsistent behavior with external hardware like Bluetooth keyboards limits productivity on tablet devices
| - Inaccurate problem recognition and incorrect solutions frequently frustrate users following the latest update
| - Recent design changes remove critical efficiency features like real-time sum display and quick answer feedback
| - 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
| - | - |
| Requests | - Integration of specialized conversion tools like currency and unit converters for improved utility
| - 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
| - Integration of geometry and 3D graphing modes to match the functionality of the web version
- Persistent settings for interface preferences like contrast and text size to avoid manual reconfiguration
| - Expanded camera scanning area would allow users to capture and solve longer math problems
| - Integration of advanced conversion tools like currency and unit converters to match stock calculator capabilities
| - Integration of currency and unit conversion tools for broader utility
| - | - |
| Strategic Intel |
| Strengths | - Specialized tablet-first layout provides a differentiated UX for iPad users
- Offline-first architecture ensures utility in low-connectivity environments
| - Leather-textured UI creates distinct brand identity
- Integrated note-taking provides utility beyond arithmetic
- One-time purchase model avoids subscription fatigue
| - Proprietary math engine enables complex calculus visualization
- Accessibility suite functions as a B2B distribution moat into institutional partnerships
- Ad-free interface drives high academic trust
| - 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
| - Material 3 design alignment provides consistent Android visual language
- Quick share functionality drives organic acquisition via external messaging
- Homescreen widget reduces friction for daily active usage
| - High-visibility button layout reduces input error rates
- Material 3 design maintains current platform aesthetic standards
| - Native iPadOS and Apple Pencil integration
- Math Notes allows real-time variable manipulation
- Zero-cost utility for ecosystem users
| - |
| Weaknesses | - Premium tier at $2.99/month exceeds category median for basic utility
- 45/100 sentiment score reflects high user frustration with intrusive ads
| - 0.4★ rating gap between Android and iOS
- Broken widget functionality on newer hardware
- Lack of modern graphing capabilities
| - No native dark mode despite high-frequency user requests
- UI regressions in the latest update make function selection cumbersome
- Inconsistent Bluetooth keyboard support limits tablet productivity
| - Premium tier pricing exceeds the category median
- OCR regressions in the latest release drive negative sentiment
- Limited scanning frame size restricts complex problem capture
| - Removal of real-time sum display slows power-user workflows
- Technical instability causes force-closes post-update
- Lack of advanced conversion tools limits utility versus system calculators
| - Intrusive full-screen ads interrupt calculation flow
- Recent UI changes removed real-time sum previews
- Technical instability reported post-update
| - Low user rating (2.98) suggests UX friction
- Lack of step-by-step explanations for solutions
- Basic history management compared to power-user alternatives
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| Pricing | freemium | paid | free | freemium | free | free | free | free |
| Momentum | Maintenance | Zombie | - | Maintenance | Maintenance | Maintenance | Maintenance | Intense |
| Update Cadence | 5 versions, 3 majors/6mo, ~204d avg | 5 versions, 3 majors/6mo, ~897d avg | - | 5 versions, ~72d avg | 5 versions, 1 majors/6mo, ~363d avg | 5 versions, 1 majors/6mo, ~379d avg | 1 versions | 5 versions |
