# IQ Test vs Adaptive tests ICEF

The clearest difference is review sentiment: Adaptive tests ICEF at 100% against IQ Test's 63%. Adaptive tests ICEF also leads on in-app purchases (none vs 3) and ads (none vs shown). IQ Test's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. IQ Test sells 3 one-off in-app purchases. Adaptive tests ICEF asks for nothing beyond the download.

IQ Test ships an update every 2 months, Adaptive tests ICEF every 6 weeks. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | IQ Test | Adaptive tests ICEF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (2.9K ratings)](https://appshunter.io/ios/app/iq-test-brain-cognitive-games/id511881037/reviews)** | — |
| Number of ratings | **2.9K** | — |
| Positive reviews | 63.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 83 MB | 13 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Games for Friends LLC](https://appshunter.io/developer/732493364) | [Yaroslav Lyulko](https://appshunter.io/developer/1708756062) |

## What reviewers say

### IQ Test

[App page](https://appshunter.io/ios/app/iq-test-brain-cognitive-games/id511881037)

Measure your intelligence quotient (IQ) with a professional, culture-free testing method. Discover your intellectual age, compare yourself to celebrities, and manage results for personal or professional use. Get detailed explanations and review errors to understand your cognitive abilities.

**Highlights:** Culture-free IQ testing method, Determine intellectual age, Compare IQ to celebrities, IQ score from 50 to 160, Test friends and family, Database of results, Review response errors

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy 10 testings | $0.99 | one-time |
| Buy 100 testings | $1.99 | one-time |
| Unlock unlimited mode | $2.99 | one-time |

**What reviewers like**

- 👍 Fun and challenging
- 🧠 Good brain exercise
- 🤔 Interesting patterns
- 💡 Creative problem-solving

**What reviewers complain about**

- ⏱️ 30-minute time limit should be adjustable
- 🧠 Tests only spatial and logical reasoning, not other aspects of intelligence
- 🤔 Unclear instructions on how to approach the questions
- 🤷‍♀️ Inconsistent or inaccurate IQ scores compared to other tests

**Reported bugs**

- Issues with entering date of birth and age
- Inability to access additional tests after purchase
- Confusing navigation and hidden costs

**Requested features**

- Offer more varied question types beyond just pattern recognition
- Provide explanations for correct answers
- Allow users to pause and resume the test
- Include sections to test different types of intelligence


### Adaptive tests ICEF

[App page](https://appshunter.io/ios/app/adaptive-tests-icef/id6450429824)

This educational app uses adaptive testing to assess your knowledge in Probability Theory and Statistics. It adjusts question difficulty based on your performance, offering a personalized learning experience.

**Highlights:** Adaptive testing, Probability Theory, Statistics, Personalized difficulty, Progressive learning

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IQ Test free?

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

### Is Adaptive tests ICEF free?

Adaptive tests ICEF is free to download, with no in-app purchases.

### Do IQ Test or Adaptive tests ICEF have ads?

IQ Test shows ads; Adaptive tests ICEF does not.

### Which is updated more often, IQ Test or Adaptive tests ICEF?

IQ Test ships an update every 2 months, and Adaptive tests ICEF every 6 weeks. Most recently, IQ Test was updated on October 21, 2026 and Adaptive tests ICEF on October 14, 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.*