# Stack Flip 3D vs Helix Drop 3D

The clearest difference is in-app purchases: Helix Drop 3D at none against Stack Flip 3D's 1. Stack Flip 3D's advantage is ads (none vs shown) and iOS requirement (9.0 vs 12.0). On price and device support there is nothing between them.

Both are free to download. Stack Flip 3D sells 1 one-off in-app purchase. Helix Drop 3D asks for nothing beyond the download.

## The numbers

| Metric | Stack Flip 3D | Helix Drop 3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 days | — |
| Size | 37 MB | 83 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IK SEONG PARK](https://appshunter.io/developer/488068869) | [Volt Games](https://appshunter.io/developer/1447238738) |

## What reviewers say

### Stack Flip 3D

[App page](https://appshunter.io/ios/app/stack-flip-3d/id1511137853)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No ads | $2.99 | one-time |


### Helix Drop 3D

[App page](https://appshunter.io/ios/app/helix-drop-3d/id6478609489)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stack Flip 3D free?

Stack Flip 3D is free to download, with in-app purchases available.

### Is Helix Drop 3D free?

Helix Drop 3D is free to download, with no in-app purchases.

### Do Stack Flip 3D or Helix Drop 3D have ads?

Helix Drop 3D shows ads; Stack Flip 3D does not.

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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.*