# Knowzi vs Ember

Knowzi and Ember are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Knowzi | Ember |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Size | 26 MB | 5 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Karen-Happuch Henneh](https://appshunter.io/developer/1875186279) | [Mohamed Ibrahim](https://appshunter.io/developer/1886207823) |

## What reviewers say

### Knowzi

[App page](https://appshunter.io/ios/app/knowzi/id6758828561)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ember

[App page](https://appshunter.io/ios/app/ember-ai-interview/id6778009343)

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

**In-app purchases:** none


## Frequently asked questions

### Is Knowzi free?

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

### Is Ember free?

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

### Do Knowzi or Ember have ads?

Neither Knowzi nor Ember shows ads.

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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.*