BigCalc vs Math Simply
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BigCalc
This calculator app emits sound with each button press, offering a unique tactile feedback experience. It calculates operations in the order they are entered, similar to a standard Windows calculator. Enjoy your music while using it, as the sound output does not interfere with playback.
- Audible button feedback
- Sequential calculation logic
- Music playback compatibility
- Simple interface
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It is a calculator from which the sound is emitted when the button is pushed. The listened music doesn't stop if the volume slider is 0. The operator of this calculator is calculated in order putting it like a calculator of Windows . 1+2*3=9.
Math Simply
This app offers a simple, ad-free calculator with a home screen widget for quick calculations. It also includes a comprehensive unit converter and extensive personalization options. Future updates are included with a one-time purchase.
- Home screen widget calculator
- Unit converter (100+ units)
- Cache memory function
- User-friendly hints
- Global localization
- Personalization options
- One-time purchase for life
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NO Advertising, Math Simply is an easy-to-use calculator with a minimalist design that allows users to place the calculator on the Home Screen of their iOS or macOS device to perform calculations directly without opening the app itself. The widget calculator has an almost identical calculation experience to the main APP. Version 2.0.0 introduces a brand-new unit converter feature, offering conversions for over 100 units across 10 categories, with more content to be added in future updates. It has the following features: 1. Easy-to-use interface – has the same design interface as the traditional calculator, simple and clear. 2. Has almost the same widget calculation experience as the main program (the widget calculator only lacks the cache memory function). 3. Adopts the cache memory function and provides four cache operation buttons, which is convenient for diversified calculations. 4. User-friendly hints – hints for “Previous Result”, “current operator” and operation status during calculations. 5. Global Localization – Math Simply not only supports 12 languages, but also provides globalization support, whether you are used to using “.” or “,” as a decimal point, or “,” or “‘” as a thousands separator, Math Simply adapts to your needs in real time. 6. Personalization – For display modes, button vibration, button shapes and colors, and even display fonts, Math Simply offers adjustments to provide a variety of personalized settings. 7. Unit Converter - Quick and intuitive unit conversions, with customizable precision control. 8. Future Upgrades – Math Simply is a one-time purchase and download for life, with access to all future upgrades (including more convenient calculation features). Math Simply currently supports all iPhone and iPad devices with iOS 17 installed. In addition, thanks to the characteristics of the M series chips, Mac with Apple Silicon chips can also install this app and use the Widget Calculator function. In the near future, Math Simply will also add more convenient features, aiming to help users calculate more conveniently. Thank you for your support!
Screenshots
Verdict
The clearest difference is price: BigCalc at $0.99 against Math Simply's $1.99. BigCalc also leads on iOS requirement (13.0 vs 17.0). On update cadence, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
BigCalc costs $0.99 and Math Simply $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on July 6, 2026 and October 7, 2026 respectively.
| Parameter | BigCalc | Math Simply |
|---|---|---|
| Price | $0.99 — better | $1.99 |
| Rating | 4.0 (2 ratings) — better | — |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPad, Mac | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | r2r660cc | 振捷 周 |
Customer experience
BigCalc
Math Simply
In-app purchases
BigCalc
No in-app purchases
Math Simply
No in-app purchases









