# Letter Fluency App vs Theseus

The clearest difference is iOS requirement: Letter Fluency App at 12.0 against Theseus's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Letter Fluency App | Theseus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 27 MB | 9 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Arla Services](https://appshunter.io/developer/1793706092) | [Orion Designs LLC](https://appshunter.io/developer/1762324075) |

## What reviewers say

### Letter Fluency App

[App page](https://appshunter.io/ios/app/letter-fluency-app/id6748406476)

**Features:** macOS Compatibility

**In-app purchases:** none


### Theseus

[App page](https://appshunter.io/ios/app/theseus-learn-languages/id6757255742)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Letter Fluency App free?

Letter Fluency App is free to download, with no in-app purchases.

### Is Theseus free?

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

### Do Letter Fluency App or Theseus have ads?

Neither Letter Fluency App nor Theseus 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.*