| Core Identity |
| Developer | SuperDG Inc. | Impala Studios | Appgeneration Software | HurryApp LTD | 7th Gear | Tim O's Studios, LLC | Apple | Incpt.Mobis | tasser gyati | Cleveni Inc. |
| Category | Utilities | Utilities | Productivity | Utilities | Utilities | Utilities | Utilities | Utilities | Utilities | Productivity |
| Platform | Android, iOS | Android, iOS | Android, iOS | iOS, Android | iOS, Android | iOS, Android | Android, iOS | iOS, Android | Android, iOS | Android, iOS |
| Store Metrics |
| Rating | 4.7 / 5 | 4.7 / 5 | 4.7 / 5 | 4.0 / 5 | 4.8 / 5 | 4.9 / 5 | 3.0 / 5 | 4.6 / 5 | 4.7 / 5 | 4.7 / 5 |
| Ratings Count | 1,787 | 1,715,926 | 577 | 4 | 4,260 | 34,074 | 9,319 | 35,622 | 142 | 12,134 |
| Price | Free | Free | Free | Free | $0.99 | Free | Free | Free | $1.99 | Free |
| Release Date | Jan 7, 2014 | Oct 22, 2010 | Nov 24, 2020 | Mar 15, 2021 | May 2, 2011 | Aug 31, 2012 | May 10, 2016 | Aug 31, 2011 | Dec 19, 2017 | Mar 31, 2017 |
| Last Updated | Jun 30, 2023 | Apr 23, 2026 | Jul 4, 2024 | Mar 29, 2023 | Dec 9, 2020 | May 2, 2025 | Dec 12, 2025 | Mar 12, 2026 | Dec 30, 2025 | Mar 18, 2026 |
| Sentiment & Reviews |
| Sentiment | mixed | mixed | mixed | mixed | mixed | mixed | - | negative | - | mixed |
| Score | 55/100 | 45/100 | 55/100 | 55/100 | 55/100 | 65/100 | - | 35/100 | - | 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 logic provides reliable utility for everyday math tasks
| - Reliable and accurate calculation performance for everyday tasks keeps users satisfied with the core utility
| - 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
| - Simple and accurate calculation interface provides reliable utility for everyday household budget management tasks
| - | - Simple and accurate calculation logic provides reliable utility for everyday math tasks
| - | - Versatile calculator suite provides a comprehensive toolset for diverse daily mathematical and conversion needs
|
| Complaints | - Post-update UI changes remove critical functionality and increase visual clutter for users
| - Removal of the running total feature post-update disrupts established user calculation habits
| - Post-update UI changes remove essential features like real-time sum display and quick answers
| - Recent design changes remove critical efficiency features like real-time sum display and quick answer feedback
| - 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
| - Post-update UI regressions remove critical features like real-time sum display and quick answer feedback
| - | - Aggressive full-screen advertisements interrupt core functionality and degrade the user experience
| - | - Aggressive full-screen advertisement implementation disrupts the core utility and flow of the application
|
| Requests | - Integration of currency and unit conversion tools into the standard calculator interface
| - Integration of currency converter and memory functions into the core stock calculator experience
| - Integration of advanced conversion tools like currency and unit converters for better utility
| - Integration of advanced conversion tools like currency and unit converters to match stock calculator capabilities
| - 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 advanced conversion tools like currency and unit converters for standard calculator functionality
| - | - Integration of unit and currency conversion tools to match stock calculator capabilities
| - | - Implementation of a one-time payment option to remove advertisements permanently
|
| Strategic Intel |
| Strengths | - Minimalist interface reduces cognitive load for casual users
- Hardware keyboard support on iOS captures power-user segment
- History tape feature increases session duration via verification loops
| - 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
| - Persistent data storage creates high switching costs
- 30+ currency converter provides utility beyond basic math
| - 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
| - Leather-textured UI creates distinct brand identity
- Integrated note-taking provides utility beyond arithmetic
- One-time purchase model avoids subscription fatigue
| - Clean interface avoids feature bloat
- Apple Watch support increases engagement frequency
| - Native iPadOS and Apple Pencil integration
- Math Notes allows real-time variable manipulation
- Zero-cost utility for ecosystem users
| - Mathematical display engine functions as a brand moat by increasing academic switching costs
- History tape retention loop reduces friction for repetitive multi-step calculations
| - | - High utility density increases daily session frequency
- Formula display functionality provides clarity during complex operations
|
| Weaknesses | - Aggressive ad placement blocks input area
- Recent UI update removed real-time sum display
- Technical regressions cause instability on latest builds
| - 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
| - 0.3★ rating gap between iOS and Android
- Removal of real-time sum display in latest release
| - 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
| - 0.4★ rating gap between Android and iOS
- Broken widget functionality on newer hardware
- Lack of modern graphing capabilities
| - Post-update UI regressions remove running total
- Technical instability causes crashes during use
- Aggressive monetization for basic features
| - Low user rating (2.98) suggests UX friction
- Lack of step-by-step explanations for solutions
- Basic history management compared to power-user alternatives
| - 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
| - | - Aggressive full-screen ads disrupt core utility
- Annual subscription pricing model perceived as too expensive
|
| Pricing | free | freemium | freemium | free | paid | subscription | free | freemium | freemium | freemium |
| Momentum | Zombie | Active | Maintenance | Maintenance | Zombie | Maintenance | Maintenance | Maintenance | - | Maintenance |
| Update Cadence | 5 versions, 2 majors/6mo, ~766d avg | 5 versions, 3 majors/6mo, ~14d avg | 5 versions, 1 majors/6mo, ~250d avg | 5 versions, 1 majors/6mo, ~363d avg | 5 versions, 3 majors/6mo, ~897d avg | 5 versions, 1 majors/6mo, ~105d avg | 1 versions | 5 versions, 5 majors/6mo, ~144d avg | - | 5 versions, 1 majors/6mo, ~23d avg |
