# Klett AR vs Knowlys

The clearest difference is update cadence: Klett AR at every 3 days against Knowlys's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

Klett AR ships an update every 3 days, Knowlys every 2 weeks. The most recent releases landed on October 8, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Klett AR | Knowlys |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/klett-ar/id6461716594/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 93 MB | 39 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Klett Bulgaria Ltd](https://appshunter.io/developer/1121264773) | [KOUZINA FOOD TECH PRIVATE LIMITED](https://appshunter.io/developer/1649316000) |

## What reviewers say

### Klett AR

[App page](https://appshunter.io/ios/app/klett-ar/id6461716594)

Enhance textbooks with augmented reality. Scan pages to unlock interactive 3D models, animations, videos, and audio content. This app bridges the gap between print and digital, making learning more engaging and concepts easier to grasp.

**Highlights:** Scan textbook pages, Unlock 3D models, Interactive animations, Video and audio content, Augmented reality experience, Digital learning integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Knowlys

[App page](https://appshunter.io/ios/app/knowlys/id6474401490)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Klett AR free?

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

### Is Knowlys free?

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

### Do Klett AR or Knowlys have ads?

Neither Klett AR nor Knowlys shows ads.

### Which is updated more often, Klett AR or Knowlys?

Klett AR ships an update every 3 days, and Knowlys every 2 weeks. Most recently, Klett AR was updated on October 8, 2026 and Knowlys on September 20, 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.*