# 算数電卓 Ext vs 日常計算

The clearest difference is in-app purchases: 算数電卓 Ext at none against 日常計算's 2. 算数電卓 Ext also leads on ads (none vs shown) and iOS requirement (9.3 vs 15.1). On price, update cadence and device support there is nothing between them.

Both are free to download. 日常計算 sells 2 in-app purchases, starting at $1.99 per month. 算数電卓 Ext asks for nothing beyond the download.

算数電卓 Ext ships an update every 3 weeks, 日常計算 every 2 weeks. The most recent releases landed on September 20, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | 算数電卓 Ext | 日常計算 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 15 MB | 57 MB |
| Requires iOS | **9.3** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ryo itou](https://appshunter.io/developer/1435019729) | [SYSTEM TAMAYA](https://appshunter.io/developer/1847130603) |

## What reviewers say

### 算数電卓 Ext

[App page](https://appshunter.io/ios/app/ext/id1508470167)

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

**In-app purchases:** none


### 日常計算

[App page](https://appshunter.io/ios/app/id6785873221)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム月額プラン | $1.99 | per month |
| 広告を削除 | $1.99 | one-time |


## Frequently asked questions

### Is 算数電卓 Ext free?

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

### Is 日常計算 free?

日常計算 is free to download, with in-app purchases available.

### Do 算数電卓 Ext or 日常計算 have ads?

日常計算 shows ads; 算数電卓 Ext does not.

### Which is updated more often, 算数電卓 Ext or 日常計算?

算数電卓 Ext ships an update every 3 weeks, and 日常計算 every 2 weeks. Most recently, 算数電卓 Ext was updated on September 20, 2026 and 日常計算 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.*