# IQ Test vs IQ Challenge Book

The clearest difference is rating: IQ Challenge Book at 5.0 against IQ Test's 3.1. IQ Challenge Book also leads on in-app purchases (none vs 2). IQ Test's advantage is update cadence (monthly vs every 76 months) and ratings volume (40 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. IQ Test sells 2 one-off in-app purchases. IQ Challenge Book asks for nothing beyond the download.

IQ Challenge Book holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: IQ Test has 40 ratings behind it against 1, so its average is the more settled of the two.

IQ Test ships an update monthly, IQ Challenge Book every 76 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | IQ Test | IQ Challenge Book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (40 ratings)](https://appshunter.io/ios/app/iq-test-intelligence-test/id1104692049/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iq-challenge-book/id1320107027/reviews)** |
| Number of ratings | **40** | 1 |
| Positive reviews | 35.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 76 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 49 MB | 1 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bekir Dursun](https://appshunter.io/developer/1104692048) | [Adrian Minca](https://appshunter.io/developer/1224651577) |

## What reviewers say

### IQ Test

[App page](https://appshunter.io/ios/app/iq-test-intelligence-test/id1104692049)

Assess your intelligence with a verified IQ test featuring 39 questions. Designed to be accessible without advanced math skills, it progresses from easy to difficult questions within a 45-minute time limit. Focus on the challenging questions for a more significant impact on your score.

**Highlights:** Verified IQ test questions, 39 questions per test, 45-minute time limit, Progressive difficulty, No going back to previous questions, No external aids allowed

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IQ Test Answers | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |

**What reviewers like**

- 👍 Good test format
- 👍 Non-verbal questions
- 👍 Free to use
- 👍 Challenging questions
- 👍 Accurate correlation with other tests

**What reviewers complain about**

- 💰 Requires payment for results
- 🐛 Frequent crashes
- 🐛 Inconsistent scores
- 🐛 Intrusive ads
- 🐛 Poor English grammar

**Reported bugs**

- App crashes after test completion
- Score changes erratically
- Timer continues running during breaks
- Pop-up ads interrupt reading
- App closes before revealing answers

**Requested features**

- Provide a data table showing comparison to other users
- More questions or an extra section
- Ability to review results in more depth
- Show general scores without names
- More diverse question types beyond patterns


### 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


## Frequently asked questions

### Is IQ Test free?

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

### Is IQ Challenge Book free?

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

### Which has better reviews, IQ Test or IQ Challenge Book?

IQ Challenge Book is rated higher. IQ Test averages 3.1 out of 5 from 40 ratings, while IQ Challenge Book averages 5.0 from 1 ratings.

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

Neither IQ Test nor IQ Challenge Book shows ads.

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

IQ Test ships an update monthly, and IQ Challenge Book every 76 months. Most recently, IQ Test was updated on October 24, 2026 and IQ Challenge Book on October 24, 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.*