# KnowledgeBase Builder vs AFI Xpense 2

The clearest difference is price: AFI Xpense 2 at Free against KnowledgeBase Builder's $8.99. KnowledgeBase Builder's advantage is update cadence (every 2 weeks vs every 3 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

AFI Xpense 2 is free to download; KnowledgeBase Builder costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

KnowledgeBase Builder ships an update every 2 weeks, AFI Xpense 2 every 3 months. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | KnowledgeBase Builder | AFI Xpense 2 |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | **[4.7 (24 ratings)](https://appshunter.io/ios/app/knowledgebase-builder/id1448579863/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Paid | — |
| Size | 21 MB | 123 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ingo Straub](https://appshunter.io/developer/1398145160) | [AFI Solutions GmbH](https://appshunter.io/developer/1463512517) |

## What reviewers say

### 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:** Vision Pro support

**In-app purchases:** none


### AFI Xpense 2

[App page](https://appshunter.io/ios/app/afi-xpense-2/id6463595705)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is KnowledgeBase Builder free?

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

### Is AFI Xpense 2 free?

AFI Xpense 2 is free to download, with no in-app purchases.

### Do KnowledgeBase Builder or AFI Xpense 2 have ads?

Neither KnowledgeBase Builder nor AFI Xpense 2 shows ads.

### Which is updated more often, KnowledgeBase Builder or AFI Xpense 2?

KnowledgeBase Builder ships an update every 2 weeks, and AFI Xpense 2 every 3 months. Most recently, KnowledgeBase Builder was updated on October 6, 2026 and AFI Xpense 2 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.*