| Core Identity |
| Developer | Planetary Code LLC | Incpt.Mobis | TLA Systems Ltd. | Zac Cohan | Wolfram Group LLC | Google | Desmos | Air Apps Systems |
| Category | Productivity | Utilities | Utilities | Productivity | Reference | Education | Education | Utilities |
| Platform | Android, iOS | iOS, Android | iOS, Android | iOS | iOS, Android | Android, iOS | iOS, Android | Android, iOS |
| Store Metrics |
| Rating | 5.0 / 5 | 4.6 / 5 | 4.7 / 5 | 4.9 / 5 | 4.1 / 5 | 4.8 / 5 | 4.3 / 5 | 4.7 / 5 |
| Ratings Count | 4 | 35,622 | 762 | 396 | 1,251 | 733,139 | 1,244 | 82,170 |
| Price | USD4.99 | Free | $9.99 | Free | $2.99 | Free | Free | Free |
| Release Date | Jul 20, 2020 | Aug 31, 2011 | Feb 8, 2019 | May 3, 2020 | Oct 18, 2009 | Oct 17, 2014 | Jun 18, 2013 | Nov 8, 2016 |
| Last Updated | Mar 27, 2025 | Mar 12, 2026 | Mar 12, 2026 | Apr 17, 2026 | Mar 25, 2026 | Feb 12, 2026 | Mar 12, 2026 | Dec 12, 2025 |
| Sentiment & Reviews |
| Sentiment | mixed | negative | - | - | - | mixed | excellent | - |
| Score | 45/100 | 35/100 | - | - | - | 45/100 | 85/100 | - |
| Praises | - Simple and effective four-function calculator design provides a nostalgic and reliable user experience
| - Simple and accurate calculation logic provides reliable utility for everyday math tasks
| - | - | - | - Step by step math explanations provide significant academic support for students across various grade levels
| - 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
| - |
| Complaints | - Removal of the running total display post-update disrupts established user calculation workflows
| - Aggressive full-screen advertisements interrupt core functionality and degrade the user experience
| - | - | - | - Inaccurate problem recognition and incorrect solutions frequently frustrate users following the latest update
| - 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
| - |
| Requests | - Integration of advanced financial functions like memory keys for improved calculation efficiency
| - Integration of unit and currency conversion tools to match stock calculator capabilities
| - | - | - | - Expanded camera scanning area would allow users to capture and solve longer math problems
| - 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
| - |
| Strategic Intel |
| Strengths | - Minimalist design language avoids feature bloat
- iPad multi-tasking support drives professional-tier conversion
- Retro-modern aesthetic justifies premium pricing
| - Mathematical display engine functions as a brand moat by increasing academic switching costs
- History tape retention loop reduces friction for repetitive multi-step calculations
| - | - | - Proprietary computational engine with high accuracy
- Curated, expert-level knowledge base
- Ad-free premium user experience
| - 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
| - 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
| - |
| Weaknesses | - Removal of running total display disrupts workflows
- UI scaling issues on modern displays
- Application instability following the latest update
| - 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
| - | - | - Legacy one-time payment model limits LTV
- Input syntax can be rigid compared to LLMs
- UI/UX may feel dated to younger users
| - Premium tier pricing exceeds the category median
- OCR regressions in the latest release drive negative sentiment
- Limited scanning frame size restricts complex problem capture
| - 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
| - |
| Pricing | freemium | freemium | free | freemium | paid | freemium | free | freemium |
| Momentum | Maintenance | Maintenance | Intense | Intense | - | Maintenance | - | Intense |
| Update Cadence | 5 versions, 1 majors/6mo, ~497d avg | 5 versions, 5 majors/6mo, ~144d avg | 5 versions | 5 versions | - | 5 versions, ~72d avg | - | 5 versions |
