# iConvert ~ 画像フォーマット変更 ~ vs KanDao Obsidian Pro

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

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

iConvert ~ 画像フォーマット変更 ~ ships an update every 8 months, KanDao Obsidian Pro every 2 months. The most recent releases landed on October 26, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | iConvert ~ 画像フォーマット変更 ~ | KanDao Obsidian Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 2 months** |
| Size | 22 MB | 66 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [hidehiko aihara](https://appshunter.io/developer/1178520609) | [KanDao Technology Co.,Ltd](https://appshunter.io/developer/1269464488) |

## 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


### KanDao Obsidian Pro

[App page](https://appshunter.io/ios/app/kandao-obsidian-pro/id1577476266)

**Features:** macOS Compatibility

**In-app purchases:** none


## 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 KanDao Obsidian Pro free?

KanDao Obsidian Pro is free to download, with no in-app purchases.

### Do iConvert ~ 画像フォーマット変更 ~ or KanDao Obsidian Pro have ads?

iConvert ~ 画像フォーマット変更 ~ shows ads; KanDao Obsidian Pro does not.

### Which is updated more often, iConvert ~ 画像フォーマット変更 ~ or KanDao Obsidian Pro?

iConvert ~ 画像フォーマット変更 ~ ships an update every 8 months, and KanDao Obsidian Pro every 2 months. Most recently, iConvert ~ 画像フォーマット変更 ~ was updated on October 26, 2026 and KanDao Obsidian Pro on October 10, 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.*