# Noto vs Krypton

The clearest difference is update cadence: Krypton at every 3 weeks against Noto's every 8 months. Krypton also leads on device support (3 vs 1). Noto's advantage is iOS requirement (5.1.1 vs 13.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Noto ships an update every 8 months, Krypton every 3 weeks. The most recent releases landed on July 7, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Noto | Krypton |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 17 MB | 31 MB |
| Requires iOS | **5.1.1** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Magnard-Vuibert](https://appshunter.io/developer/579412414) | [Formatio](https://appshunter.io/developer/1626809122) |

## What reviewers say

### Noto

[App page](https://appshunter.io/ios/app/noto/id698067523)

Access digital textbooks and educational materials online and offline. Students can navigate chapters, bookmark pages, highlight text, and add notes. Educators can enrich lessons with multimedia and share content with students.

**Highlights:** Offline access to digital books, Chapter navigation, Bookmark and favorite pages, Highlight text, Add notes and annotations, Share notes with friends, Enrich lessons with multimedia

**Features:** macOS Compatibility

**In-app purchases:** none


### Krypton

[App page](https://appshunter.io/ios/app/krypton/id1589984146)

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

**In-app purchases:** none


## Frequently asked questions

### Is Noto free?

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

### Is Krypton free?

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

### Do Noto or Krypton have ads?

Neither Noto nor Krypton shows ads.

### Which is updated more often, Noto or Krypton?

Noto ships an update every 8 months, and Krypton every 3 weeks. Most recently, Noto was updated on July 7, 2026 and Krypton on September 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*