# Blue Crystal Ball vs Crazy Helix Jump

The clearest difference is in-app purchases: Blue Crystal Ball at none against Crazy Helix Jump's 1. Blue Crystal Ball also leads on iOS requirement (12.0 vs 15.0). Crazy Helix Jump's advantage is ads (none vs shown) and update cadence (every 3 days vs every 72 months). On price and device support there is nothing between them.

Both are free to download. Crazy Helix Jump sells 1 one-off in-app purchase. Blue Crystal Ball asks for nothing beyond the download.

Blue Crystal Ball ships an update every 72 months, Crazy Helix Jump every 3 days. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Blue Crystal Ball | Crazy Helix Jump |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 72 months | **Every 3 days** |
| Size | 57 MB | 78 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aleksa Racovic](https://appshunter.io/developer/1255649501) | [Nirav Joshi](https://appshunter.io/developer/1451184142) |

## What reviewers say

### Blue Crystal Ball

[App page](https://appshunter.io/ios/app/blue-crystal-ball-block-it/id1321605281)

**Features:** macOS Compatibility

**In-app purchases:** none


### Crazy Helix Jump

[App page](https://appshunter.io/ios/app/crazy-helix-jump-stack-bounce/id6761116004)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads Subscription | $1.99 | one-time |


## Frequently asked questions

### Is Blue Crystal Ball free?

Blue Crystal Ball is free to download, with no in-app purchases.

### Is Crazy Helix Jump free?

Crazy Helix Jump is free to download, with in-app purchases available.

### Do Blue Crystal Ball or Crazy Helix Jump have ads?

Blue Crystal Ball shows ads; Crazy Helix Jump does not.

### Which is updated more often, Blue Crystal Ball or Crazy Helix Jump?

Blue Crystal Ball ships an update every 72 months, and Crazy Helix Jump every 3 days. Most recently, Blue Crystal Ball was updated on October 26, 2026 and Crazy Helix Jump on October 28, 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.*