# U vs Kompressed

The clearest difference is price: U at Free against Kompressed's $1.99. U also leads on ratings volume (17 vs 1) and device support (3 vs 1). Kompressed's advantage is rating (5.0 vs 2.3) and update cadence (weekly vs every 3 months). On ads and in-app purchases there is nothing between them.

U is free to download; Kompressed costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Kompressed holds the better App Store score, 5.0 against 2.3. That said, the two scores are not equally well evidenced: U has 17 ratings behind it against 1, so its average is the more settled of the two.

U ships an update every 3 months, Kompressed weekly. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | U | Kompressed |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [2.3 (17 ratings)](https://appshunter.io/ios/app/u-disk/id1119397038/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kompressed/id6805136750/reviews)** |
| Number of ratings | **17** | 1 |
| Positive reviews | 29.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | **Free** | Paid |
| Size | 52 MB | 1 MB |
| Requires iOS | **12.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [岚 丁](https://appshunter.io/developer/1465584117) | [MARSHALL TYLER FRITH](https://appshunter.io/developer/6805136752) |

## What reviewers say

### U

[App page](https://appshunter.io/ios/app/u-disk/id1119397038)

Expand your iOS device's storage with this portable flash drive. Seamlessly transfer, view, and manage files between your iPhone/iPad and Mac/PC without needing Wi-Fi or a network signal. Features include file encryption and contact backup.

**Highlights:** Memory expansion for iOS devices, Two-way storage transfer (iOS to Mac/PC), No Wi-Fi or network signal required, Transfer, view, and share files, File encryption, Contacts backup and restore, Video streaming via Airplay

**In-app purchases:** none


### Kompressed

[App page](https://appshunter.io/ios/app/kompressed/id6805136750)

This app compresses various file types, including photos, videos, and documents, to fit specific data budgets for transmission over low-bandwidth connections. It offers flexible size setting options and ensures data integrity through verification before allowing a compression ratio.

**Highlights:** Byte budget compression, Photo, video, voice memo compression, Data file compression, Multiple size setting methods, Binary-search quality encoder, Re-encoding for video, Presets for specific links

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is U free?

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

### Is Kompressed free?

Kompressed costs $1.99, with no in-app purchases.

### Which has better reviews, U or Kompressed?

Kompressed is rated higher. U averages 2.3 out of 5 from 17 ratings, while Kompressed averages 5.0 from 1 ratings.

### Do U or Kompressed have ads?

Neither U nor Kompressed shows ads.

### Which is updated more often, U or Kompressed?

U ships an update every 3 months, and Kompressed weekly. Most recently, U was updated on October 8, 2026 and Kompressed on October 4, 2026.

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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.*