CalcFast vs GoodCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CalcFast
A fast and elegant calculator for Apple devices that displays your calculation history. It offers a Today Extension for quick access and supports Apple Watch, external keyboards, and VoiceOver.
- Calculation history display
- Today Extension for quick calculations
- Apple Watch app
- Dark/light mode selection
- External keyboard support
- VoiceOver support
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Fast and simple calculator for iPad, iPhone and Apple Watch that shows the calculation history, includes a Today Extension that allows for fast calculation by swiping down and 3D Touch for quick interactions. Numbers are formatted for your country, i.e. period in the US and comma in Europe. Ever lost your train of thought half way through a calculation and thought how handy it would be to review your calculations. The aim of this Calculator is to be fast, elegant and simple. Features: - The calculator can open side by side or over other apps in iPadOS. - Select dark or light mode. - External keyboard support. - Smart Apple Watch Calculator included. - Light weight Today Extension included. - Calculations shown when input and on tape. - Key click confirms pressing of buttons, which may be turned off. - Previous calculation is repeated when the equal sign is pressed. - Numbers are shown in local format, depending on your Region Formats, i.e. comma used in Europe. The number of decimal digits may be set in the Settings. - VoiceOver is supported. - Calculations Tape may be deleted by Tapping on it.
GoodCalc
This utility app offers a clean and intuitive interface for performing calculations. It provides real-time results, displays the input process, and includes advanced features like scientific and fraction calculations. Enjoy a seamless experience with unlimited history and customizable display options.
- Ad-free experience
- Real-time calculation results
- Input process display
- Unlimited history
- Scientific calculator
- Fraction calculator
- Customizable decimal places
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GoodCalc is a small and beautiful calculator: 1. No ads 2. Real-time calculation results 3. Display the input process 4. Unlimited History 5. Quick start 6. Backspace to delete 7. Keyboard vibration 8. Keyboard sound 9. Set the number of decimal places 10. Show/hide separators 11. Scientific Calculator 12. Fraction Calculator
Screenshots
Verdict
The clearest difference is rating: GoodCalc at 5.0 against CalcFast's 4.2. GoodCalc also leads on update cadence (every 3 weeks vs every 2 months) and review sentiment (90% vs 78%). On price, ratings volume, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
GoodCalc holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 21 and 8 respectively. Written reviews point the same way: 78% of CalcFast's written reviews are positive against 90% of GoodCalc's.
CalcFast ships an update every 2 months, GoodCalc every 3 weeks. Both last shipped on October 24, 2026.
| Parameter | CalcFast | GoodCalc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (21 ratings) | 5.0 (8 ratings) — better |
| Positive reviews | 78.3% of reviews | 90.0% of reviews — better |
| Number of ratings | 21 — better | 8 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 27.1 | 16.6 — better |
| Further details — not scored | ||
| Size | 6 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Hannes Sverrisson | 龙 全 |
Customer experience
CalcFast
GoodCalc
In-app purchases
CalcFast
No in-app purchases
GoodCalc
No in-app purchases
