# KnowTree vs Abox Note · Markdown Notes

The clearest difference is in-app purchases: Abox Note · Markdown Notes at none against KnowTree's 1. Abox Note · Markdown Notes also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. KnowTree sells 1 one-off in-app purchase. Abox Note · Markdown Notes asks for nothing beyond the download.

KnowTree ships an update every 9 days, Abox Note · Markdown Notes fortnightly. The most recent releases landed on September 8, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | KnowTree | Abox Note · Markdown Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 9 days** | Fortnightly |
| Size | 51 MB | 210 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ukon Ryohei](https://appshunter.io/developer/1834526187) | [Guangwei Yu](https://appshunter.io/developer/1873973872) |

## What reviewers say

### KnowTree

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

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

**In-app purchases (1)**

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


### Abox Note · Markdown Notes

[App page](https://appshunter.io/ios/app/abox-note-markdown-notes/id6758658913)

**In-app purchases:** none


## Frequently asked questions

### Is KnowTree free?

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

### Is Abox Note · Markdown Notes free?

Abox Note · Markdown Notes is free to download, with no in-app purchases.

### Do KnowTree or Abox Note · Markdown Notes have ads?

Both KnowTree and Abox Note · Markdown Notes show ads.

### Which is updated more often, KnowTree or Abox Note · Markdown Notes?

KnowTree ships an update every 9 days, and Abox Note · Markdown Notes fortnightly. Most recently, KnowTree was updated on September 8, 2026 and Abox Note · Markdown Notes on September 18, 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.*