# Math Riddles vs ChartDraw

The clearest difference is in-app purchases: ChartDraw at none against Math Riddles's 2. ChartDraw also leads on ads (none vs shown) and update cadence (every 3 days vs monthly). Math Riddles's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 15.0). On price there is nothing between them.

Both are free to download. Math Riddles sells 2 one-off in-app purchases. ChartDraw asks for nothing beyond the download.

Math Riddles ships an update monthly, ChartDraw every 3 days. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Math Riddles | ChartDraw |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (874 ratings)](https://appshunter.io/ios/app/math-riddles-iq-test-quiz/id1471344150/reviews)** | — |
| Number of ratings | **874** | — |
| Positive reviews | 56.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 14 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Gude Aipu Technology Co., Ltd](https://appshunter.io/developer/1896411340) | [Lindy Operation Inc.](https://appshunter.io/developer/6793814445) |

## What reviewers say

### Math Riddles

[App page](https://appshunter.io/ios/app/math-riddles-iq-test-quiz/id1471344150)

Engage your mind with a collection of logical math puzzles designed to enhance your IQ. Explore hidden mathematical talents through brain games presented in geometrical shapes, suitable for both adults and children. Improve attention, memory, and analytical thinking while making your free time more meaningful.

**Highlights:** Logical math puzzles, IQ test approach, Brain training games, Develop analytical thinking, Improve memory and attention, Suitable for adults and kids

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Gold | $0.99 | one-time |
| 60 Gold | $4.99 | one-time |

**What reviewers like**

- 👍 Fun and challenging problems
- 🧠 Helps to exercise the brain
- ⏱️ Motivating IQ countdown

**What reviewers complain about**

- 💰 Requires payment/ads to access answers
- 🐛 Incorrect/illogical answers not accepted
- 🤔 Lack of hints/clues to solve problems
- 📢 Too many ads interrupting gameplay

**Reported bugs**

- Progress not saved properly
- App freezing/crashing issues
- Compatibility problems on different devices

**Requested features**

- Ad-free version
- Ability to report incorrect answers
- Provide hints/clues instead of directly showing answers


### ChartDraw

[App page](https://appshunter.io/ios/app/chartdraw/id6793814443)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Math Riddles free?

Math Riddles is free to download, with in-app purchases available.

### Is ChartDraw free?

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

### Do Math Riddles or ChartDraw have ads?

Math Riddles shows ads; ChartDraw does not.

### Which is updated more often, Math Riddles or ChartDraw?

Math Riddles ships an update monthly, and ChartDraw every 3 days. Most recently, Math Riddles was updated on October 12, 2026 and ChartDraw on October 9, 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.*