# String Theory! vs ShuffleNote

The clearest difference is in-app purchases: ShuffleNote at none against String Theory!'s 3. ShuffleNote also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. String Theory! sells 3 in-app purchases, starting at $2.99 per 7 days. ShuffleNote asks for nothing beyond the download.

## The numbers

| Metric | String Theory! | ShuffleNote |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | — | Every 5 days |
| Size | 56 MB | 37 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Synthify Inc](https://appshunter.io/developer/1089257745) | [SANGMIN JUNG](https://appshunter.io/developer/1896640716) |

## What reviewers say

### 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 |


### ShuffleNote

[App page](https://appshunter.io/ios/app/shufflenote/id6774368620)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is String Theory! free?

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

### Is ShuffleNote free?

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

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

String Theory! shows ads; ShuffleNote 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.*