# UU vs Bubble Level & Compass

The clearest difference is price: Bubble Level & Compass at Free against UU's $0.99. Bubble Level & Compass also leads on ratings volume (15 vs 2) and update cadence (every 11 months vs every 21 months). UU's advantage is in-app purchases (none vs 1) and ads (none vs shown). On rating, review sentiment and device support there is nothing between them.

Bubble Level & Compass is free to download; UU costs $0.99 up front. Bubble Level & Compass sells 1 one-off in-app purchase. UU asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for UU against 4.9 for Bubble Level & Compass. That said, the two scores are not equally well evidenced: Bubble Level & Compass has 15 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UU ships an update every 21 months, Bubble Level & Compass every 11 months. The most recent releases landed on June 1, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | UU | Bubble Level & Compass |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/uu-uuid-generator/id1614731646/reviews)** | [4.9 (15 ratings)](https://appshunter.io/ios/app/bubble-level-and-compass/id1665482229/reviews) |
| Number of ratings | 2 | **15** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 21 months | **Every 11 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 7 MB | 7 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JP McGlone LLC](https://appshunter.io/developer/850098774) | [Tevfik Yucek](https://appshunter.io/developer/566982862) |

## What reviewers say

### UU

[App page](https://appshunter.io/ios/app/uu-uuid-generator/id1614731646)

Easily create unique identifiers for your projects. This tool generates UUIDs on demand and can automatically copy them to your clipboard. It also features on-the-fly QR code generation and supports dark mode for a comfortable user experience.

**Highlights:** Generate UUID, Auto-generate on launch, Auto-copy to clipboard, Generate QR code, Dark Mode support

**Features:** macOS Compatibility

**In-app purchases:** none


### Bubble Level & Compass

[App page](https://appshunter.io/ios/app/bubble-level-and-compass/id1665482229)

This utility app helps you measure angles, tilt, and slope using your device's sensors. It features a compass, surface level, and camera level for various measurement needs. Large buttons and a flashlight enhance usability in different lighting conditions.

**Highlights:** Angle measurement, Tilt detection, Slope calculation, Accurate compass, Surface level, Camera level, Flashlight functionality

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertisements | $3.99 | one-time |


## Frequently asked questions

### Is UU free?

UU costs $0.99, with no in-app purchases.

### Is Bubble Level & Compass free?

Bubble Level & Compass is free to download, with in-app purchases available.

### Which has better reviews, UU or Bubble Level & Compass?

UU is rated higher. UU averages 5.0 out of 5 from 2 ratings, while Bubble Level & Compass averages 4.9 from 15 ratings.

### Do UU or Bubble Level & Compass have ads?

Bubble Level & Compass shows ads; UU does not.

### Which is updated more often, UU or Bubble Level & Compass?

UU ships an update every 21 months, and Bubble Level & Compass every 11 months. Most recently, UU was updated on June 1, 2026 and Bubble Level & Compass on August 27, 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.*