# The White Building vs KnowTree

The clearest difference is in-app purchases: The White Building at none against KnowTree's 1. The White Building also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.1). On price and device support there is nothing between them.

Both are free to download. KnowTree sells 1 one-off in-app purchase. The White Building asks for nothing beyond the download.

## The numbers

| Metric | The White Building | KnowTree |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/knowtree/id6757321205/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 26 MB | 51 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jamil Shaikh](https://appshunter.io/developer/1436278976) | [Ukon Ryohei](https://appshunter.io/developer/1834526187) |

## What reviewers say

### The White Building

[App page](https://appshunter.io/ios/app/the-white-building/id6465251804)

**In-app purchases:** none


### KnowTree

[App page](https://appshunter.io/ios/app/knowtree/id6757321205)

Organize your thoughts and information hierarchically with parent-child relationships. Supports Markdown, images, and code blocks for rich note-taking. Offers flexible workflows and powerful search capabilities.

**Highlights:** Hierarchical note organization, Markdown support, Flexible workflow (top-down/bottom-up), Rich content (images, links, code), Search across all nodes, Backup and restore functionality, Multiple tree management (premium)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KnowTree Premium | $4.99 | one-time |


## Frequently asked questions

### Is The White Building free?

The White Building is free to download, with no in-app purchases.

### Is KnowTree free?

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

### Do The White Building or KnowTree have ads?

KnowTree shows ads; The White Building does not.

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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.*