# Thread Mark vs CellNotes

The clearest difference is in-app purchases: CellNotes at none against Thread Mark's 2. CellNotes also leads on ads (none vs shown). Thread Mark's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence and device support there is nothing between them.

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

Thread Mark ships an update fortnightly, CellNotes every 3 weeks. Both last shipped on November 10, 2026.

## The numbers

| Metric | Thread Mark | CellNotes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 49 MB | 31 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Koya Kurauchi](https://appshunter.io/developer/1887146796) | [Takafumi Terasaki](https://appshunter.io/developer/6785186297) |

## What reviewers say

### 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 |


### CellNotes

[App page](https://appshunter.io/ios/app/cellnotes/id6785186295)

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

**In-app purchases:** none


## Frequently asked questions

### Is Thread Mark free?

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

### Is CellNotes free?

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

### Do Thread Mark or CellNotes have ads?

Thread Mark shows ads; CellNotes does not.

### Which is updated more often, Thread Mark or CellNotes?

Thread Mark ships an update fortnightly, and CellNotes every 3 weeks. Most recently, Thread Mark was updated on November 10, 2026 and CellNotes on November 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.*