# 電卓 vs KuCalc3

The clearest difference is update cadence: KuCalc3 at daily against 電卓's every 5 days. KuCalc3 also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

電卓 ships an update every 5 days, KuCalc3 daily. The most recent releases landed on September 27, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | 電卓 | KuCalc3 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | **Daily** |
| Size | 1 MB | 19 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [eisuke yoshikawa](https://appshunter.io/developer/1894588067) | [Mineaki Sakatoku](https://appshunter.io/developer/1674976728) |

## What reviewers say

### 電卓

[App page](https://appshunter.io/ios/app/calcnote/id6762538775)

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

**In-app purchases:** none


### KuCalc3

[App page](https://appshunter.io/ios/app/kucalc3/id6805388550)

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

**In-app purchases:** none


## Frequently asked questions

### Is 電卓 free?

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

### Is KuCalc3 free?

KuCalc3 is free to download, with no in-app purchases.

### Do 電卓 or KuCalc3 have ads?

Neither 電卓 nor KuCalc3 shows ads.

### Which is updated more often, 電卓 or KuCalc3?

電卓 ships an update every 5 days, and KuCalc3 daily. Most recently, 電卓 was updated on September 27, 2026 and KuCalc3 on September 5, 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.*