# 電卓 vs Simple Fun Calculator

The clearest difference is ads: Simple Fun Calculator at none against 電卓's shown. 電卓's advantage is update cadence (every 3 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 電卓 sells 2 one-off in-app purchases and Simple Fun Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

電卓 ships an update every 3 days, Simple Fun Calculator every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | 電卓 | Simple Fun Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Size | 8 MB | 1 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Kimura](https://appshunter.io/developer/6775796488) | [tsuboi toshihiro](https://appshunter.io/developer/1838670892) |

## What reviewers say

### 電卓

[App page](https://appshunter.io/ios/app/id6789199382)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support the Developer | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |


### Simple Fun Calculator

[App page](https://appshunter.io/ios/app/simple-fun-calculator/id6806540320)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $1.99 | one-time |


## Frequently asked questions

### Is 電卓 free?

電卓 is free to download, with in-app purchases available.

### Is Simple Fun Calculator free?

Simple Fun Calculator is free to download, with in-app purchases available.

### Do 電卓 or Simple Fun Calculator have ads?

電卓 shows ads; Simple Fun Calculator does not.

### Which is updated more often, 電卓 or Simple Fun Calculator?

電卓 ships an update every 3 days, and Simple Fun Calculator every 3 weeks. Most recently, 電卓 was updated on October 24, 2026 and Simple Fun Calculator on October 24, 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.*