# Thread Mark vs Ariv

The clearest difference is in-app purchases: Ariv at none against Thread Mark's 2. Ariv also leads on ads (none vs shown). Thread Mark's advantage is iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

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

## The numbers

| Metric | Thread Mark | Ariv |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Size | 49 MB | 86 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Koya Kurauchi](https://appshunter.io/developer/1887146796) | [Ariv Studios](https://appshunter.io/developer/1881812958) |

## 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 |


### Ariv

[App page](https://appshunter.io/ios/app/ariv-notes-pkm-second-brain/id6776939051)

**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 Ariv free?

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

### Do Thread Mark or Ariv have ads?

Thread Mark shows ads; Ariv does not.

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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.*