# iConvert ~ 画像フォーマット変更 ~ vs 24/36

The clearest difference is in-app purchases: iConvert ~ 画像フォーマット変更 ~ at none against 24/36's 2. iConvert ~ 画像フォーマット変更 ~ also leads on iOS requirement (12.0 vs 18.5). 24/36's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 8 months). On price and device support there is nothing between them.

Both are free to download. 24/36 sells 2 one-off in-app purchases. iConvert ~ 画像フォーマット変更 ~ asks for nothing beyond the download.

iConvert ~ 画像フォーマット変更 ~ ships an update every 8 months, 24/36 every 2 weeks. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | iConvert ~ 画像フォーマット変更 ~ | 24/36 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Size | 22 MB | 9 MB |
| Requires iOS | **12.0** | 18.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | +4 | 4+ |
| Developer | [hidehiko aihara](https://appshunter.io/developer/1178520609) | [KAZATO SUSAKI](https://appshunter.io/developer/1821169996) |

## What reviewers say

### iConvert ~ 画像フォーマット変更 ~

[App page](https://appshunter.io/ios/app/iconvert/id1442064506)

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

**In-app purchases:** none


### 24/36

[App page](https://appshunter.io/ios/app/2436/id6751133066)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 開発者応援 | $0.99 | one-time |
| 広告非表示 | $1.99 | one-time |


## Frequently asked questions

### Is iConvert ~ 画像フォーマット変更 ~ free?

iConvert ~ 画像フォーマット変更 ~ is free to download, with no in-app purchases.

### Is 24/36 free?

24/36 is free to download, with in-app purchases available.

### Do iConvert ~ 画像フォーマット変更 ~ or 24/36 have ads?

iConvert ~ 画像フォーマット変更 ~ shows ads; 24/36 does not.

### Which is updated more often, iConvert ~ 画像フォーマット変更 ~ or 24/36?

iConvert ~ 画像フォーマット変更 ~ ships an update every 8 months, and 24/36 every 2 weeks. Most recently, iConvert ~ 画像フォーマット変更 ~ was updated on October 17, 2026 and 24/36 on October 8, 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.*