# Crystal Math vs Gravity Ways

The clearest difference is in-app purchases: Gravity Ways at none against Crystal Math's 3. Gravity Ways also leads on ads (none vs shown) and iOS requirement (8.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Crystal Math sells 3 one-off in-app purchases. Gravity Ways asks for nothing beyond the download.

Crystal Math ships an update every 2 weeks, Gravity Ways monthly. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Crystal Math | Gravity Ways |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/crystal-math-numbers-on-speed/id1261401422/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 249 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rafael Kolloch](https://appshunter.io/developer/985182742) | [QPLAZE LLC](https://appshunter.io/developer/1313682351) |

## What reviewers say

### Crystal Math

[App page](https://appshunter.io/ios/app/crystal-math-numbers-on-speed/id1261401422)

This game offers four distinct modes to sharpen your mental arithmetic. Compete against the clock, challenge other players, or practice at your own pace to become a math champion and unlock achievements.

**Highlights:** Daily challenges with leaderboards, Player vs. player duels, 30-second time attack mode, Free exploration mode, Avatar customization, Achievement unlocking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hipster | $0.99 | one-time |
| Famous | $0.99 | one-time |
| Cinema | $0.99 | one-time |


### Gravity Ways

[App page](https://appshunter.io/ios/app/gravity-ways/id1315942043)

**In-app purchases:** none


## Frequently asked questions

### Is Crystal Math free?

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

### Is Gravity Ways free?

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

### Do Crystal Math or Gravity Ways have ads?

Crystal Math shows ads; Gravity Ways does not.

### Which is updated more often, Crystal Math or Gravity Ways?

Crystal Math ships an update every 2 weeks, and Gravity Ways monthly. Most recently, Crystal Math was updated on October 24, 2026 and Gravity Ways on October 5, 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.*