CalcFast vs TinyWatchCalc
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.
TinyWatchCalc
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A simple calculator for the Apple Watch. Supports addition, subtraction, multiplication and division.
Screenshots
Verdict
The clearest difference is update cadence: CalcFast at every 2 months against TinyWatchCalc's every 16 months. TinyWatchCalc's advantage is iOS requirement (12.0 vs 18.0). On price, ads, in-app purchases and device support 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.
CalcFast ships an update every 2 months, TinyWatchCalc every 16 months. The most recent releases landed on October 6, 2026 and September 28, 2026 respectively.
| Parameter | CalcFast | TinyWatchCalc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (20 ratings) — better | — |
| Positive reviews | 78.3% of reviews | — |
| Number of ratings | 20 — better | — |
| Update frequency | Every 2 months — better | Every 16 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod, Apple Watch — better |
| Requires iOS | 18.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Hannes Sverrisson | Peter Entwistle |
In-app purchases
CalcFast
No in-app purchases
TinyWatchCalc
No in-app purchases
Questions
Is CalcFast free?
Is TinyWatchCalc free?
Do CalcFast or TinyWatchCalc have ads?
Which is updated more often, CalcFast or TinyWatchCalc?
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