# Spiral helix vs Switch n Roll

The clearest difference is in-app purchases: Spiral helix at none against Switch n Roll's 4. Spiral helix also leads on iOS requirement (7.0 vs 9.0). On price, ads and device support there is nothing between them.

Both are free to download. Switch n Roll sells 4 one-off in-app purchases. Spiral helix asks for nothing beyond the download.

## The numbers

| Metric | Spiral helix | Switch n Roll |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/switch-n-roll/id1502728725/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 42 MB | 113 MB |
| Requires iOS | **7.0** | 9.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [阳州 张](https://appshunter.io/developer/1213841587) | [The Game Storm Studios](https://appshunter.io/developer/722407011) |

## What reviewers say

### Spiral helix

[App page](https://appshunter.io/ios/app/spiral-helix/id1294561498)

**Features:** macOS Compatibility

**In-app purchases:** none


### Switch n Roll

[App page](https://appshunter.io/ios/app/switch-n-roll/id1502728725)

Guide rolling balls by rotating a central track to match their paths. Test your reflexes as the number of balls and speed increase, challenging you to prevent collisions.

**Highlights:** Rotate track to match ball paths, Increasing difficulty, Prevent ball collisions, Infinite momentum gameplay, Single-player arcade experience

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Basic Pack | $4.99 | one-time |
| Champion Pack | $9.99 | one-time |


## Frequently asked questions

### Is Spiral helix free?

Spiral helix is free to download, with no in-app purchases.

### Is Switch n Roll free?

Switch n Roll is free to download, with in-app purchases available.

### Do Spiral helix or Switch n Roll have ads?

Neither Spiral helix nor Switch n Roll shows ads.

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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.*