# Headspace vs KnowledgeBase Builder

The clearest difference is price: Headspace at $3.99 against KnowledgeBase Builder's $8.99. Headspace also leads on iOS requirement (9.0 vs 15.0). KnowledgeBase Builder's advantage is rating (4.7 vs 4.4) and review sentiment (91% vs 71%). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Headspace costs $3.99 and KnowledgeBase Builder $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

KnowledgeBase Builder holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 10 and 24 respectively. Written reviews point the same way: 71% of Headspace's written reviews are positive against 91% of KnowledgeBase Builder's.

Headspace ships an update every 2 months, KnowledgeBase Builder fortnightly. The most recent releases landed on September 22, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Headspace | KnowledgeBase Builder |
| --- | --- | --- |
| Price | **$3.99** | $8.99 |
| Rating | [4.4 (10 ratings)](https://appshunter.io/ios/app/headspace/id300244538/reviews) | **[4.7 (24 ratings)](https://appshunter.io/ios/app/knowledgebase-builder/id1448579863/reviews)** |
| Number of ratings | 10 | **24** |
| Positive reviews | 71.4% of reviews | **90.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Paid | Paid |
| Size | 19 MB | 21 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Flat Black Films](https://appshunter.io/developer/300244541) | [Ingo Straub](https://appshunter.io/developer/1398145160) |

## What reviewers say

### Headspace

[App page](https://appshunter.io/ios/app/headspace/id300244538)

This app offers a unique 3D approach to organizing thoughts and creating hierarchical outlines. Visualize your information in a floating space, navigate with intuitive gestures, and connect related ideas with visual links. It's designed for a dynamic and engaging way to manage lists and mind maps.

**Highlights:** Build hierarchical outlines in 3D space, Navigate and zoom with familiar finger gestures, Connect related items with link lines, Change item color and opacity, Universal app for iPhone and iPad, Sync files with Dropbox, PDF export with active note links

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

**In-app purchases:** none

**What reviewers like**

- 🎨 Beautiful, visually stunning 3D interface
- 💡 Innovative 3D mind mapping approach
- 👍 Intuitive and easy to learn
- 🔗 Powerful linking and cross-referencing features
- ✅ Useful checkbox functionality for to-do lists

**What reviewers complain about**

- 🐛 Frequent crashes and stability issues
- 💾 Data loss after updates and crashes
- 🔧 Clunky and cumbersome user interface for basic tasks
- 😵 Confusing workflow for adding and editing items
- 🎮 3D gimmick can be distracting and impractical

**Reported bugs**

- App crashes on creating new groups
- Crashes when entering text on iPad
- Text color picker fails to change colors
- Instant crash when closing text color picker
- Crashes on Dropbox connection

**Requested features**

- Desktop/Mac version for syncing
- iCloud syncing between iOS devices
- Google Drive and OneDrive support
- Evernote integration
- Ability to drag items between groups


### KnowledgeBase Builder

[App page](https://appshunter.io/ios/app/knowledgebase-builder/id1448579863)

Organize and search text documents and web pages with links within a mind map structure. Automatically create mind maps from text, import Wikipedia articles, and export your knowledge base as HTML. Also functions as a flowcharting tool.

**Highlights:** Save text documents and web pages, Full-text search, Organize with mind maps, Automatic mind map creation, Wikipedia import, Export to HTML, Flowcharting tool

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

**In-app purchases:** none


## Frequently asked questions

### Is Headspace free?

Headspace costs $3.99, with no in-app purchases.

### Is KnowledgeBase Builder free?

KnowledgeBase Builder costs $8.99, with no in-app purchases.

### Which has better reviews, Headspace or KnowledgeBase Builder?

KnowledgeBase Builder is rated higher. Headspace averages 4.4 out of 5 from 10 ratings, while KnowledgeBase Builder averages 4.7 from 24 ratings.

### Do Headspace or KnowledgeBase Builder have ads?

Neither Headspace nor KnowledgeBase Builder shows ads.

### Which is updated more often, Headspace or KnowledgeBase Builder?

Headspace ships an update every 2 months, and KnowledgeBase Builder fortnightly. Most recently, Headspace was updated on September 22, 2026 and KnowledgeBase Builder on September 7, 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.*