# 33IQ vs Light IQ

The clearest difference is review sentiment: Light IQ at 100% against 33IQ's 53%. Light IQ also leads on rating (4.0 vs 2.5) and in-app purchases (none vs 10). 33IQ's advantage is update cadence (monthly vs every 4 months) and ratings volume (12 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 33IQ sells 10 one-off in-app purchases. Light IQ asks for nothing beyond the download.

Light IQ holds the better App Store score, 4.0 against 2.5. That said, the two scores are not equally well evidenced: 33IQ has 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 53% of 33IQ's written reviews are positive against 100% of Light IQ's.

33IQ ships an update monthly, Light IQ every 4 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | 33IQ | Light IQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (12 ratings)](https://appshunter.io/ios/app/33iq/id1013755867/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/light-iq-logic-riddles-test/id1530681225/reviews)** |
| Number of ratings | **12** | 1 |
| Positive reviews | 52.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 28 MB | 118 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [上海冀创信息技术有限公司](https://appshunter.io/developer/1013755866) | [Egor Vdovin](https://appshunter.io/developer/1261045705) |

## What reviewers say

### 33IQ

[App page](https://appshunter.io/ios/app/33iq/id1013755867)

This platform offers a vast collection of Chinese logic puzzles and brain teasers for daily practice. Engage in problem-solving, learn new knowledge, and track your intellectual growth with detailed explanations and IQ assessments. It's designed for all ages to enhance cognitive skills.

**Highlights:** Extensive Chinese logic puzzle library, Daily puzzle updates, Detailed puzzle explanations, IQ testing and ability tracking, Suitable for all ages, Community problem-solving

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 588学识 | $0.99 | one-time |
| 1288学识 | $1.99 | one-time |
| 一个月会员 | $2.99 | one-time |
| 3888学识 | $3.99 | one-time |
| 9888学识 | $9.99 | one-time |
| 六个月会员 | $12.99 | one-time |
| 一年会员 | $14.99 | one-time |
| 两年会员 | $25.99 | one-time |
| 88888学识 | $39.99 | one-time |
| 永久会员 | $39.99 | one-time |


### Light IQ

[App page](https://appshunter.io/ios/app/light-iq-logic-riddles-test/id1530681225)

Test your logic and problem-solving skills with a variety of puzzles. Explore questions about colors, shapes, combinatorics, and sequences. Share your results with friends for a fun comparison.

**Highlights:** Logic riddles and puzzles, Tests perception of colors and shapes, Combinatorics and sequence questions, Hints available, Shareable results, Funny and vibrant design

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 33IQ free?

33IQ is free to download, with in-app purchases available.

### Is Light IQ free?

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

### Which has better reviews, 33IQ or Light IQ?

Light IQ is rated higher. 33IQ averages 2.5 out of 5 from 12 ratings, while Light IQ averages 4.0 from 1 ratings.

### Do 33IQ or Light IQ have ads?

Both 33IQ and Light IQ show ads.

### Which is updated more often, 33IQ or Light IQ?

33IQ ships an update monthly, and Light IQ every 4 months. Most recently, 33IQ was updated on October 24, 2026 and Light IQ 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.*