# Quill vs Knowto

The clearest difference is in-app purchases: Quill at none against Knowto's 2. Knowto's advantage is ads (none vs shown) and iOS requirement (17.0 vs 26.2). On price, update cadence and device support there is nothing between them.

Both are free to download. Knowto sells 2 in-app purchases, starting at $0.99 per month. Quill asks for nothing beyond the download.

Quill ships an update every 2 weeks, Knowto every 10 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Quill | Knowto |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/knowto-instant-note-taking/id6798763650/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | — | Freemium |
| Size | 3 MB | 5 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vince Sanossian](https://appshunter.io/developer/1888349936) | [Lumik LLC](https://appshunter.io/developer/1860645804) |

## What reviewers say

### Quill

[App page](https://appshunter.io/ios/app/quill-ai-note-taking/id6763143286)

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

**In-app purchases:** none


### Knowto

[App page](https://appshunter.io/ios/app/knowto-instant-note-taking/id6798763650)

Capture ideas instantly with a fast, local-first note-taking app. Organize thoughts naturally with threads, tags, and attachments. Access your notes offline with optional cloud sync.

**Highlights:** Always-ready composer, Build on thoughts with threads, Search and filter notes, Attach photos and resources, Local-first storage, Background sync across devices

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knowto Plus Monthly | $0.99 | per month |
| Knowto Plus Yearly | $9.99 | per year |


## Frequently asked questions

### Is Quill free?

Quill is free to download, with no in-app purchases.

### Is Knowto free?

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

### Do Quill or Knowto have ads?

Quill shows ads; Knowto does not.

### Which is updated more often, Quill or Knowto?

Quill ships an update every 2 weeks, and Knowto every 10 days. Most recently, Quill was updated on October 25, 2026 and Knowto on October 31, 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.*