# Hyday MD vs Thread Mark

The clearest difference is price: Thread Mark at Free against Hyday MD's $0.99. Hyday MD's advantage is in-app purchases (none vs 2) and ads (none vs shown). On update cadence, device support and iOS requirement there is nothing between them.

Thread Mark is free to download; Hyday MD costs $0.99 up front. Thread Mark sells 2 one-off in-app purchases. Hyday MD asks for nothing beyond the download.

Hyday MD ships an update every 3 weeks, Thread Mark fortnightly. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Hyday MD | Thread Mark |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 29 MB | 49 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TZU YING WU](https://appshunter.io/developer/1895723542) | [Koya Kurauchi](https://appshunter.io/developer/1887146796) |

## What reviewers say

### Hyday MD

[App page](https://appshunter.io/ios/app/hyday-md/id6764302688)

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

**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 Hyday MD free?

Hyday MD costs $0.99, with no in-app purchases.

### Is Thread Mark free?

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

### Do Hyday MD or Thread Mark have ads?

Thread Mark shows ads; Hyday MD does not.

### Which is updated more often, Hyday MD or Thread Mark?

Hyday MD ships an update every 3 weeks, and Thread Mark fortnightly. Most recently, Hyday MD was updated on September 30, 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.*