# Brain Dump vs Chatmark

The clearest difference is in-app purchases: Chatmark at none against Brain Dump's 3. Chatmark also leads on update cadence (every 6 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Brain Dump sells 3 in-app purchases, starting at $3.99 per 7 days. Chatmark asks for nothing beyond the download.

Brain Dump ships an update every 4 months, Chatmark every 6 weeks. The most recent releases landed on October 5, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Brain Dump | Chatmark |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Size | 87 MB | 27 MB |
| Requires iOS | 16.4 | **16** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lee O'Connor](https://appshunter.io/developer/1849839419) | [Taeeun Kim](https://appshunter.io/developer/1580920574) |

## What reviewers say

### Brain Dump

[App page](https://appshunter.io/ios/app/brain-dump-thoughts-to-tasks/id6754750214)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Brain Dump Weekly | $3.99 | per 7 days |
| Brain Dump Monthly | $7.99 | per month |
| Brain Dump Annual | $44.99 | per year |


### Chatmark

[App page](https://appshunter.io/ios/app/chatmark/id6768804618)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brain Dump free?

Brain Dump is free to download, with in-app purchases available.

### Is Chatmark free?

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

### Do Brain Dump or Chatmark have ads?

Neither Brain Dump nor Chatmark shows ads.

### Which is updated more often, Brain Dump or Chatmark?

Brain Dump ships an update every 4 months, and Chatmark every 6 weeks. Most recently, Brain Dump was updated on October 5, 2026 and Chatmark on October 1, 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.*