# SimpleMind Pro vs UnitKeeper

The clearest difference is price: UnitKeeper at Free against SimpleMind Pro's $10.99. SimpleMind Pro's advantage is in-app purchases (none vs 1) and chart position (#81 vs unranked). On update cadence, ads and device support there is nothing between them.

UnitKeeper is free to download; SimpleMind Pro costs $10.99 up front. UnitKeeper sells 1 one-off in-app purchase. SimpleMind Pro asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | SimpleMind Pro | UnitKeeper |
| --- | --- | --- |
| Price | $10.99 | **Free** |
| Rating | **[4.7 (451 ratings)](https://appshunter.io/ios/app/simplemind-pro-mind-mapping/id378174507/reviews)** | — |
| Number of ratings | **451** | — |
| Positive reviews | 80.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Paid | — |
| Best chart rank | **#81** | — |
| Size | 36 MB | 5 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [xpt Software & Consulting B.V.](https://appshunter.io/developer/304515490) | [NATHANIEL J MOREHOUSE](https://appshunter.io/developer/1889388056) |

## What reviewers say

### SimpleMind Pro

[App page](https://appshunter.io/ios/app/simplemind-pro-mind-mapping/id378174507)

**Currently charting:** #81 Top Paid · Productivity (US App Store)

Organize your thoughts, capture ideas, and generate new concepts with a beautiful and intuitive mind mapping tool. Seamlessly synchronize your maps across devices and platforms, and enhance them with media and documents.

**Highlights:** Free-form and auto layout options, Cross-platform synchronization, Add images, notes, and voice memos, Share maps as PDF or Image, Customizable styles and themes, Collapse/expand branches for overview

**Features:** Vision Pro support

**In-app purchases:** none


### UnitKeeper

[App page](https://appshunter.io/ios/app/unitkeeper/id6761486538)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ProUnlock | $6.99 | one-time |


## Frequently asked questions

### Is SimpleMind Pro free?

SimpleMind Pro costs $10.99, with no in-app purchases.

### Is UnitKeeper free?

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

### Do SimpleMind Pro or UnitKeeper have ads?

Neither SimpleMind Pro nor UnitKeeper shows ads.

### Which is updated more often, SimpleMind Pro or UnitKeeper?

SimpleMind Pro ships an update every 2 months, and UnitKeeper every 2 months. Most recently, SimpleMind Pro was updated on September 24, 2026 and UnitKeeper on September 10, 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.*