# 関数電卓 vs Mini Focus Timer

The clearest difference is update cadence: Mini Focus Timer at daily against 関数電卓's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

関数電卓 ships an update monthly, Mini Focus Timer daily. Both last shipped on September 21, 2026.

## The numbers

| Metric | 関数電卓 | Mini Focus Timer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | — | Free |
| Size | 8 MB | 3 MB |
| Requires iOS | 26.5 | **26.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Kouki Yoshimoto](https://appshunter.io/developer/1884780659) | [Lim Sangjin](https://appshunter.io/developer/1437057653) |

## What reviewers say

### 関数電卓

[App page](https://appshunter.io/ios/app/scicalc/id6763034302)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Mini Focus Timer

[App page](https://appshunter.io/ios/app/mini-focus-timer/id6766460553)

This minimalist timer uses the Pomodoro technique to help you focus for 25 minutes and then take a 5-minute break. It features a simple interface with a circular dial and a large start button, offering focus, short break, and long break phases. Track your progress with daily, weekly, and monthly charts.

**Highlights:** Minimalist Pomodoro timer, Focus, short break, long break phases, Circular glass dial interface, Home & lock screen widgets, Apple Watch complications, Daily, weekly, monthly focus charts

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 関数電卓 free?

関数電卓 is free to download, with no in-app purchases.

### Is Mini Focus Timer free?

Mini Focus Timer is free to download, with no in-app purchases.

### Do 関数電卓 or Mini Focus Timer have ads?

Neither 関数電卓 nor Mini Focus Timer shows ads.

### Which is updated more often, 関数電卓 or Mini Focus Timer?

関数電卓 ships an update monthly, and Mini Focus Timer daily. Most recently, 関数電卓 was updated on September 21, 2026 and Mini Focus Timer on September 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*