# MindMap vs One Big Thing

The clearest difference is in-app purchases: One Big Thing at none against MindMap's 2. One Big Thing also leads on ads (none vs shown). MindMap's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.6). On price and update cadence there is nothing between them.

Both are free to download. MindMap sells 2 in-app purchases, starting at $4.99 per month. One Big Thing asks for nothing beyond the download.

MindMap ships an update every 5 months, One Big Thing every 2 months. The most recent releases landed on August 27, 2026 and February 23, 2026 respectively.

## The numbers

| Metric | MindMap | One Big Thing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 73 MB | 1 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [kota tada](https://appshunter.io/developer/1658942612) | [Thomas Chatting](https://appshunter.io/developer/1811425476) |

## What reviewers say

### MindMap

[App page](https://appshunter.io/ios/app/mindmap-mindmapper/id6736729888)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $49.99 | per year |


### One Big Thing

[App page](https://appshunter.io/ios/app/one-big-thing/id6745229950)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MindMap free?

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

### Is One Big Thing free?

One Big Thing is free to download, with no in-app purchases.

### Do MindMap or One Big Thing have ads?

MindMap shows ads; One Big Thing does not.

### Which is updated more often, MindMap or One Big Thing?

MindMap ships an update every 5 months, and One Big Thing every 2 months. Most recently, MindMap was updated on August 27, 2026 and One Big Thing on February 23, 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.*