# 格式转换器 vs JotNotes

The clearest difference is in-app purchases: JotNotes at none against 格式转换器's 4. JotNotes also leads on update cadence (weekly vs every 6 weeks) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. 格式转换器 sells 4 in-app purchases, starting at $6.99 per 7 days. JotNotes asks for nothing beyond the download.

格式转换器 ships an update every 6 weeks, JotNotes weekly. The most recent releases landed on October 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 格式转换器 | JotNotes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Size | 108 MB | 17 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [凯 钱](https://appshunter.io/developer/1628287133) | [KANG-CHIH HSU](https://appshunter.io/developer/1701388864) |

## What reviewers say

### 格式转换器

[App page](https://appshunter.io/ios/app/id6749673180)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 会员版 | $6.99 | per 7 days |
| 会员版 | $6.99 | per 7 days |
| 会员版 | $9.99 | per month |
| 会员版 | $19.99 | per 3 months |


### JotNotes

[App page](https://appshunter.io/ios/app/jotnotes-encrypted-notes/id6794551331)

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

**In-app purchases:** none


## Frequently asked questions

### Is 格式转换器 free?

格式转换器 is free to download, with in-app purchases available.

### Is JotNotes free?

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

### Do 格式转换器 or JotNotes have ads?

Neither 格式转换器 nor JotNotes shows ads.

### Which is updated more often, 格式转换器 or JotNotes?

格式转换器 ships an update every 6 weeks, and JotNotes weekly. Most recently, 格式转换器 was updated on October 10, 2026 and JotNotes on September 22, 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.*