# IQ Test Brain Training Riddles vs calYc

The clearest difference is in-app purchases: calYc at none against IQ Test Brain Training Riddles's 11. IQ Test Brain Training Riddles's advantage is update cadence (every 5 weeks vs every 20 months) and iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. IQ Test Brain Training Riddles sells 10 in-app purchases, starting at $3.99 per month. calYc asks for nothing beyond the download.

IQ Test Brain Training Riddles ships an update every 5 weeks, calYc every 20 months. The most recent releases landed on September 22, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | IQ Test Brain Training Riddles | calYc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (8K ratings)](https://appshunter.io/ios/app/iq-test-brain-training-riddles/id1347362487/reviews)** | — |
| Number of ratings | **8K** | — |
| Positive reviews | 34.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 20 months |
| Monetization | Free with in-app purchases | — |
| Size | 60 MB | 7 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Paul Stelzer](https://appshunter.io/developer/644648487) | [Lorenz Markus* Binggeli*](https://appshunter.io/developer/1741207030) |

## What reviewers say

### IQ Test Brain Training Riddles

[App page](https://appshunter.io/ios/app/iq-test-brain-training-riddles/id1347362487)

Engage in a free IQ test and brain-training exercises designed to boost cognitive skills. Scientifically developed, this app offers various tasks to improve processing speed, memory, and logical thinking. Compare your scores with friends and track your progress.

**Highlights:** Free IQ test, Brain booster tasks, Exercise mode with solutions, Compare results with friends, Improves logical thinking, Enhances working memory

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IQ Test Pro | $3.99 | per month |
| IQ Test Pro Year | $19.99 | per year |
| Remove Ads | $0.99 | one-time |
| Complete Statistics | $0.99 | one-time |
| Premium 1 | $2.99 | one-time |
| Explanations | $4.99 | one-time |
| Premium Plus Young people | $5.99 | one-time |
| Pro Forever | $8.99 | one-time |
| Pro Forever Super Sale | $17.99 | one-time |
| Pro Forever | $29.99 | one-time |

**What reviewers like**

- 🤔 Challenging and engaging
- 💡 Interesting concept for an IQ app
- 👍 Good for brain exercise

**What reviewers complain about**

- 🐛 Grammatical errors and poor translations
- 💸 Paywall for answers and explanations
- 🤯 Confusing and unclear instructions
- 🤖 Inaccurate or inconsistent IQ scoring

**Reported bugs**

- Questions with no logical correct answer
- Inability to see questions/content properly
- Crashes and freezes during tests

**Requested features**

- Improved English language support
- More detailed explanations for questions
- Ability to review past performance
- Pause/resume functionality


### calYc

[App page](https://appshunter.io/ios/app/calyc/id6496866433)

**In-app purchases:** none


## Frequently asked questions

### Is IQ Test Brain Training Riddles free?

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

### Is calYc free?

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

### Do IQ Test Brain Training Riddles or calYc have ads?

Neither IQ Test Brain Training Riddles nor calYc shows ads.

### Which is updated more often, IQ Test Brain Training Riddles or calYc?

IQ Test Brain Training Riddles ships an update every 5 weeks, and calYc every 20 months. Most recently, IQ Test Brain Training Riddles was updated on September 22, 2026 and calYc on May 17, 2026.

---

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