# Synapse Talk AI vs Thread Mark

The clearest difference is ads: Synapse Talk AI at none against Thread Mark's shown. Thread Mark's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Synapse Talk AI sells 2 in-app purchases, starting at $5.99 per month and Thread Mark sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Synapse Talk AI ships an update every 4 weeks, Thread Mark fortnightly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Synapse Talk AI | Thread Mark |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Size | 47 MB | 49 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masahiro Okamura](https://appshunter.io/developer/1823903976) | [Koya Kurauchi](https://appshunter.io/developer/1887146796) |

## What reviewers say

### Synapse Talk AI

[App page](https://appshunter.io/ios/app/synapse-talk-ai/id6748533673)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| スタンダード プラン | $5.99 | per month |
| プレミアム プラン | $11.99 | per month |


### 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 Synapse Talk AI free?

Synapse Talk AI is free to download, with in-app purchases available.

### Is Thread Mark free?

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

### Do Synapse Talk AI or Thread Mark have ads?

Thread Mark shows ads; Synapse Talk AI does not.

### Which is updated more often, Synapse Talk AI or Thread Mark?

Synapse Talk AI ships an update every 4 weeks, and Thread Mark fortnightly. Most recently, Synapse Talk AI was updated on October 30, 2026 and Thread Mark on October 25, 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.*