# Reading Challenge vs Notears AI

The clearest difference is update cadence: Notears AI at every 4 days against Reading Challenge's every 3 weeks. Reading Challenge's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Reading Challenge sells 3 in-app purchases, starting at $1.49 per month and Notears AI sells 2 in-app purchases, starting at $13.99 per month. Whichever you choose, the download price is not the number that matters.

Reading Challenge ships an update every 3 weeks, Notears AI every 4 days. The most recent releases landed on September 9, 2026 and June 23, 2026 respectively.

## The numbers

| Metric | Reading Challenge | Notears AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/notears-ai-learn-by-doing/id6756839641/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 61 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shohruxbek Atavullayev](https://appshunter.io/developer/1859528937) | [LUNE CARE PTY LTD](https://appshunter.io/developer/1718649331) |

## What reviewers say

### Reading Challenge

[App page](https://appshunter.io/ios/app/reading-challenge/id6756414640)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $1.49 | per month |
| Yearly Premium | $7.99 | per year |
| Lifetime Premium | $14.99 | one-time |


### Notears AI

[App page](https://appshunter.io/ios/app/notears-ai-learn-by-doing/id6756839641)

This app transforms your study materials into interactive learning experiences, helping you understand complex subjects more effectively than traditional methods. It focuses on making concepts 'click' through engaging activities rather than simple memorization.

**Highlights:** Interactive study experiences, Transforms study materials, Focuses on understanding, Bite-sized studying, Makes concepts 'click'

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| noTears Pro Monthly | $13.99 | per month |
| noTears Pro Annual | $143.99 | per year |


## Frequently asked questions

### Is Reading Challenge free?

Reading Challenge is free to download, with in-app purchases available.

### Is Notears AI free?

Notears AI is free to download, with in-app purchases available.

### Do Reading Challenge or Notears AI have ads?

Neither Reading Challenge nor Notears AI shows ads.

### Which is updated more often, Reading Challenge or Notears AI?

Reading Challenge ships an update every 3 weeks, and Notears AI every 4 days. Most recently, Reading Challenge was updated on September 9, 2026 and Notears AI on June 23, 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.*