# RC Markdown vs Thread Mark

The clearest difference is in-app purchases: RC Markdown at none against Thread Mark's 2. RC Markdown also leads on update cadence (daily vs fortnightly). Thread Mark's advantage is iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Thread Mark sells 2 one-off in-app purchases. RC Markdown asks for nothing beyond the download.

RC Markdown ships an update daily, Thread Mark fortnightly. The most recent releases landed on September 26, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | RC Markdown | Thread Mark |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Fortnightly |
| Size | 8 MB | 49 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jaehong Lim](https://appshunter.io/developer/1889785038) | [Koya Kurauchi](https://appshunter.io/developer/1887146796) |

## What reviewers say

### RC Markdown

[App page](https://appshunter.io/ios/app/rc-markdown/id6761457696)

**Features:** macOS Compatibility

**In-app purchases:** none


### Thread Mark

[App page](https://appshunter.io/ios/app/thread-mark-markdown-notes/id6775019899)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy the Developer a Coffee | $2.99 | one-time |
| ThreadMark Pro | $9.99 | one-time |


## Frequently asked questions

### Is RC Markdown free?

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

### Is Thread Mark free?

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

### Do RC Markdown or Thread Mark have ads?

Both RC Markdown and Thread Mark show ads.

### Which is updated more often, RC Markdown or Thread Mark?

RC Markdown ships an update daily, and Thread Mark fortnightly. Most recently, RC Markdown was updated on September 26, 2026 and Thread Mark on October 3, 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.*