# WriteMapper 2 vs KnowledgeBase Builder

The clearest difference is price: WriteMapper 2 at Free against KnowledgeBase Builder's $8.99. WriteMapper 2 also leads on iOS requirement (10.0 vs 15.0). KnowledgeBase Builder's advantage is in-app purchases (none vs 2) and review sentiment (91% vs 71%). On rating, ratings volume, update cadence and ads there is nothing between them.

WriteMapper 2 is free to download; KnowledgeBase Builder costs $8.99 up front. WriteMapper 2 sells 2 one-off in-app purchases. KnowledgeBase Builder asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for WriteMapper 2 against 4.7 for KnowledgeBase Builder. Both are backed by a comparable volume of ratings — 12 and 24 respectively. Written reviews are what separate them: 71% of WriteMapper 2's written reviews are positive against 91% of KnowledgeBase Builder's.

WriteMapper 2 ships an update monthly, KnowledgeBase Builder fortnightly. The most recent releases landed on June 1, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | WriteMapper 2 | KnowledgeBase Builder |
| --- | --- | --- |
| Price | **Free** | $8.99 |
| Rating | [4.7 (12 ratings)](https://appshunter.io/ios/app/writemapper-2-mind-map-ipad/id1386108340/reviews) | [4.7 (24 ratings)](https://appshunter.io/ios/app/knowledgebase-builder/id1448579863/reviews) |
| Number of ratings | 12 | **24** |
| Positive reviews | 71.4% of reviews | **90.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | **Free** | Paid |
| Size | 6 MB | 21 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BETTERWEBPAGES](https://appshunter.io/developer/930333779) | [Ingo Straub](https://appshunter.io/developer/1398145160) |

## What reviewers say

### WriteMapper 2

[App page](https://appshunter.io/ios/app/writemapper-2-mind-map-ipad/id1386108340)

This app helps overcome writer's block by transforming mind maps into structured text documents. It offers a distraction-free writing mode and seamless integration with iOS features for an optimized iPad experience.

**Highlights:** Visual mind mapping for writing structure, Brainstorming to overcome writer's block, Distraction-free writing mode, Export to Markdown, HTML, Word, RTF, TXT, Drag and drop functionality, Integration with iOS Files app

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-day Trial | Free | one-time |
| Full App | $19.99 | one-time |


### 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 WriteMapper 2 free?

WriteMapper 2 is free to download, with in-app purchases available.

### Is KnowledgeBase Builder free?

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

### Which has better reviews, WriteMapper 2 or KnowledgeBase Builder?

WriteMapper 2 and KnowledgeBase Builder are both rated 4.7 out of 5 on the App Store, from 12 and 24 ratings respectively.

### Do WriteMapper 2 or KnowledgeBase Builder have ads?

Neither WriteMapper 2 nor KnowledgeBase Builder shows ads.

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

WriteMapper 2 ships an update monthly, and KnowledgeBase Builder fortnightly. Most recently, WriteMapper 2 was updated on June 1, 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.*