# Infinity vs String Theory!

The clearest difference is price: String Theory! at Free against Infinity's $3.99. Infinity's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support there is nothing between them.

String Theory! is free to download; Infinity costs $3.99 up front. String Theory! sells 3 in-app purchases, starting at $2.99 per 7 days. Infinity asks for nothing beyond the download.

## The numbers

| Metric | Infinity | String Theory! |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 days | — |
| Size | 30 MB | 56 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zaid Naim](https://appshunter.io/developer/1855660500) | [Synthify Inc](https://appshunter.io/developer/1089257745) |

## What reviewers say

### Infinity

[App page](https://appshunter.io/ios/app/infinity-nested-canvas/id6757099115)

**Features:** macOS Compatibility

**In-app purchases:** none


### String Theory!

[App page](https://appshunter.io/ios/app/string-theory/id6757779491)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Yearly | $24.99 | per year |
| One Time | $29.99 | one-time |


## Frequently asked questions

### Is Infinity free?

Infinity costs $3.99, with no in-app purchases.

### Is String Theory! free?

String Theory! is free to download, with in-app purchases available.

### Do Infinity or String Theory! have ads?

String Theory! shows ads; Infinity 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.*