# Yada vs IQ Test Challenge

The clearest difference is ads: IQ Test Challenge at none against Yada's shown. IQ Test Challenge also leads on update cadence (every 3 days vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Yada sells 2 in-app purchases, starting at $9.99 per month and IQ Test Challenge sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Yada ships an update weekly, IQ Test Challenge every 3 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Yada | IQ Test Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/yada-read-and-remember/id6767600867/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 81 MB | 16 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NANA LABS LTD](https://appshunter.io/developer/1896491689) | [Paul Stelzer](https://appshunter.io/developer/644648487) |

## What reviewers say

### Yada

[App page](https://appshunter.io/ios/app/yada-read-and-remember/id6767600867)

This app helps you retain information from books and other materials. It uses AI to create memory cards from your highlights and uploaded files, then schedules reviews using spaced repetition science to combat forgetting.

**Highlights:** Turn highlights into retention, AI generates cards from uploaded files, Memory-based card creation, Spaced review scheduling, Progress tracking, Light and dark modes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yada Pro Monthly | $9.99 | per month |
| Yada Pro Annual | $59.99 | per year |


### IQ Test Challenge

[App page](https://appshunter.io/ios/app/iq-test-challenge/id6816346720)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Club Monthly | $1.99 | per month |
| Club Yearly | $8.99 | per year |


## Frequently asked questions

### Is Yada free?

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

### Is IQ Test Challenge free?

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

### Do Yada or IQ Test Challenge have ads?

Yada shows ads; IQ Test Challenge does not.

### Which is updated more often, Yada or IQ Test Challenge?

Yada ships an update weekly, and IQ Test Challenge every 3 days. Most recently, Yada was updated on October 24, 2026 and IQ Test Challenge on October 25, 2026.

---

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