# Letter Fluency App vs UP

Letter Fluency App and UP are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Letter Fluency App | UP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 27 MB | 23 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Arla Services](https://appshunter.io/developer/1793706092) | [University of the Philippines](https://appshunter.io/developer/1320298685) |

## What reviewers say

### Letter Fluency App

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

**Features:** macOS Compatibility

**In-app purchases:** none


### UP

[App page](https://appshunter.io/ios/app/up-dgo-mst/id6756644381)

**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 UP free?

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

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

Neither Letter Fluency App nor UP 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.*