# How It Works? vs Math Ninja AR

The clearest difference is rating: Math Ninja AR at 4.5 against How It Works?'s 3.9. Math Ninja AR also leads on in-app purchases (none vs 4) and update cadence (every 3 weeks vs every 4 months). How It Works?'s advantage is review sentiment (37% vs 28%). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. How It Works? sells 4 in-app purchases, starting at $7.99 per month. Math Ninja AR asks for nothing beyond the download.

Math Ninja AR holds the better App Store score, 4.5 against 3.9. Both are backed by a comparable volume of ratings — 65 and 299 respectively. Written reviews complicate that: 37% of How It Works?'s written reviews are positive against 28% of Math Ninja AR's, so the app with the better star average is not the one people write more warmly about.

How It Works? ships an update every 4 months, Math Ninja AR every 3 weeks. The most recent releases landed on October 6, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | How It Works? | Math Ninja AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (65 ratings)](https://appshunter.io/ios/app/how-it-works/id1233674557/reviews) | **[4.5 (299 ratings)](https://appshunter.io/ios/app/math-ninja-ar/id1274871322/reviews)** |
| Number of ratings | 65 | **299** |
| Positive reviews | **36.8% of reviews** | 28.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 340 MB | 157 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Learny Land](https://appshunter.io/developer/1380183676) | [Fantamstick](https://appshunter.io/developer/563146308) |

## What reviewers say

### How It Works?

[App page](https://appshunter.io/ios/app/how-it-works/id1233674557)

Explore the wonders of our world through interactive games, animations, and explanations. This app makes learning about natural phenomena engaging and fun for children, fostering curiosity and understanding of the planet.

**Highlights:** Interactive games, Animations, Clear explanations, Big images, Experiments, Locutions for non-readers

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Learny Land Pass - Monthly | $7.99 | per month |
| Learny Land Pass - Monthly | $8.99 | per month |
| Learny Land Pass - Annual | $39.99 | per year |
| Learny Land Pass - Annual | $49.99 | per year |


### Math Ninja AR

[App page](https://appshunter.io/ios/app/math-ninja-ar/id1274871322)

This app uses augmented reality to make learning math engaging for children. By combining physical movement with interactive math problems in a 3D world, it aims to improve concentration and memory retention of sums.

**Highlights:** Augmented reality math learning, Physical activity for memory stimulation, Interactive 3D Ninja World exploration, Collectible cards, No in-app purchases

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 💡 Good concept
- 💡 Fun learning
- 👍 Interesting concept
- 👍 Brilliant idea

**What reviewers complain about**

- 🐛 App doesn't work
- 🐛 Doesn't load
- 🐛 Freezes
- 🐛 Screen flashes
- 🐛 Incomprehensible

**Reported bugs**

- App doesn't work
- Doesn't load
- Freezes at start screen
- Screen flashes
- Dark screen after selecting level

**Requested features**

- Make more for all subjects
- Combine AR with VR
- Add instructions
- Add difficulty settings
- Add rewards


## Frequently asked questions

### Is How It Works? free?

How It Works? is free to download, with in-app purchases available.

### Is Math Ninja AR free?

Math Ninja AR is free to download, with no in-app purchases.

### Which has better reviews, How It Works? or Math Ninja AR?

Math Ninja AR is rated higher. How It Works? averages 3.9 out of 5 from 65 ratings, while Math Ninja AR averages 4.5 from 299 ratings.

### Do How It Works? or Math Ninja AR have ads?

Neither How It Works? nor Math Ninja AR shows ads.

### Which is updated more often, How It Works? or Math Ninja AR?

How It Works? ships an update every 4 months, and Math Ninja AR every 3 weeks. Most recently, How It Works? was updated on October 6, 2026 and Math Ninja AR on October 22, 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.*