# Class Classs vs Kno App

The clearest difference is update cadence: Kno App at every 4 days against Class Classs's every 10 months. Class Classs's advantage is device support (3 vs 1) and iOS requirement (15.5 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Class Classs sells 10 one-off in-app purchases and Kno App sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Class Classs ships an update every 10 months, Kno App every 4 days. Both last shipped on September 23, 2026.

## The numbers

| Metric | Class Classs | Kno App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 4 days** |
| Size | 146 MB | 32 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Online Learning](https://appshunter.io/developer/1790866777) | [BRBR GROUP](https://appshunter.io/developer/1882102236) |

## What reviewers say

### Class Classs

[App page](https://appshunter.io/ios/app/class-classs/id6743963382)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AR | $29.99 | one-time |
| Package - AW | $39.99 | one-time |
| Package - AX | $39.99 | one-time |
| Package - AY | $39.99 | one-time |
| Package - BC | $39.99 | one-time |
| Package - BD | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BH | $49.99 | one-time |
| Package - BG | $49.99 | one-time |
| Package - BF | $49.99 | one-time |


### Kno App

[App page](https://appshunter.io/ios/app/kno-app-learn-something-new/id6759986030)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kno Premium Monthly | $4.99 | per month |
| Kno Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is Class Classs free?

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

### Is Kno App free?

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

### Do Class Classs or Kno App have ads?

Neither Class Classs nor Kno App shows ads.

### Which is updated more often, Class Classs or Kno App?

Class Classs ships an update every 10 months, and Kno App every 4 days. Most recently, Class Classs was updated on September 23, 2026 and Kno App on September 23, 2026.

---

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