# 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). On price, ratings volume, ads and device support 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 — 69 and 116 respectively. Written reviews point the same way: 37% of How It Works?'s written reviews are positive against 58% of Math Ninja AR's.

How It Works? ships an update every 4 months, Math Ninja AR every 3 weeks. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | How It Works? | Math Ninja AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (69 ratings)](https://appshunter.io/ios/app/how-it-works/id1233674557/reviews) | **[4.5 (116 ratings)](https://appshunter.io/ios/app/math-ninja-ar-box-battle/id1418461104/reviews)** |
| Number of ratings | 69 | **116** |
| Positive reviews | 36.8% of reviews | **57.7% 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 | 173 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-box-battle/id1418461104)

Engage in a multiplayer math battle where players add blocks to match a target number. Rescue villagers by correctly solving addition problems. This augmented reality game enhances mental calculation skills through interactive gameplay.

**Highlights:** Multiplayer math battles, Augmented reality gameplay, Addition practice, Rescue villagers, Mental calculation training

**Features:** macOS Compatibility

**In-app purchases:** none


## 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 69 ratings, while Math Ninja AR averages 4.5 from 116 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 November 2, 2026 and Math Ninja AR on November 6, 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.*