# String Theory! vs Matí

The clearest difference is in-app purchases: Matí at none against String Theory!'s 3. Matí also leads on ads (none vs shown). String Theory!'s advantage is iOS requirement (15.1 vs 26.0). On price and device support there is nothing between them.

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

## The numbers

| Metric | String Theory! | Matí |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mati-calendar/id6760477758/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | — | Every 2 months |
| Monetization | — | Free |
| Size | 56 MB | 105 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Synthify Inc](https://appshunter.io/developer/1089257745) | [Robert Torres](https://appshunter.io/developer/1802270142) |

## 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 |


### Matí

[App page](https://appshunter.io/ios/app/mati-calendar/id6760477758)

Effortlessly schedule events using natural language input. This calendar app offers multiple flexible views and color-coded organization for work and personal life. Enjoy a beautiful interface and powerful search to manage your day.

**Highlights:** Natural language event creation, Multiple flexible calendar views, Color-coded event organization, Landscape timeline view, Powerful event search, Dark interface option

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is String Theory! free?

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

### Is Matí free?

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

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

String Theory! shows ads; Matí 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.*