# IQ Challenge Book vs Touch 16

The clearest difference is ads: IQ Challenge Book at none against Touch 16's shown. IQ Challenge Book also leads on monetization model (free vs ad-supported). On price, rating, ratings volume and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for IQ Challenge Book against 5.0 for Touch 16. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | IQ Challenge Book | Touch 16 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/iq-challenge-book/id1320107027/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/touch-16/id6446062975/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 76 months | — |
| Monetization | **Free** | Ad-supported |
| Size | 1 MB | 5 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Adrian Minca](https://appshunter.io/developer/1224651577) | [Saki Inoue](https://appshunter.io/developer/1557109246) |

## What reviewers say

### IQ Challenge Book

[App page](https://appshunter.io/ios/app/iq-challenge-book/id1320107027)

Assess your intelligence level with this application that provides an IQ score based on your answers to a series of questions. It categorizes your score according to a standard IQ scale, ranging from genius to feeble-mindedness. Test your limits and discover your intelligence quotient.

**Highlights:** IQ score determination, Intelligence level assessment, IQ score categorization, Test your limits, User-friendly interface

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

**In-app purchases:** none


### Touch 16

[App page](https://appshunter.io/ios/app/touch-16/id6446062975)

This game challenges you to tap numbers 1 through 16 in sequential order as they appear randomly. It's a time trial designed to improve your reaction speed, accuracy, parallel thinking, and peripheral vision.

**Highlights:** Tap numbers 1-16 sequentially, Time trial gameplay, Improves reflexes and accuracy, Trains parallel thinking, Enhances peripheral vision

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

**In-app purchases:** none


## Frequently asked questions

### Is IQ Challenge Book free?

IQ Challenge Book is free to download, with no in-app purchases.

### Is Touch 16 free?

Touch 16 is free to download, with no in-app purchases.

### Which has better reviews, IQ Challenge Book or Touch 16?

IQ Challenge Book and Touch 16 are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do IQ Challenge Book or Touch 16 have ads?

Touch 16 shows ads; IQ Challenge Book does not.

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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.*