# Aether vs Nooklet

The clearest difference is iOS requirement: Aether at 15.0 against Nooklet's 17.0. 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.

## The numbers

| Metric | Aether | Nooklet |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 18 MB | 2.9 GB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Critical Dynamics OU](https://appshunter.io/developer/330152929) | [Quoc Tu Ngo](https://appshunter.io/developer/1889791098) |

## What reviewers say

### Aether

[App page](https://appshunter.io/ios/app/aether-knowledge-engine/id6761418802)

**Features:** macOS Compatibility

**In-app purchases:** none


### Nooklet

[App page](https://appshunter.io/ios/app/nooklet-offline-ai-and-tts/id6783776620)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aether free?

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

### Is Nooklet free?

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

### Do Aether or Nooklet have ads?

Neither Aether nor Nooklet 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.*