# Bubble Level & Compass vs App Protector

The clearest difference is in-app purchases: App Protector at none against Bubble Level & Compass's 1. App Protector also leads on ads (none vs shown) and update cadence (every 2 days vs every 11 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Bubble Level & Compass sells 1 one-off in-app purchase. App Protector asks for nothing beyond the download.

Bubble Level & Compass ships an update every 11 months, App Protector every 2 days. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Bubble Level & Compass | App Protector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (16 ratings)](https://appshunter.io/ios/app/bubble-level-and-compass/id1665482229/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 20 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Tevfik Yucek](https://appshunter.io/developer/566982862) | [Emma Nayeli Aviles Mejia](https://appshunter.io/developer/1792072949) |

## What reviewers say

### 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 |


### App Protector

[App page](https://appshunter.io/ios/app/app-protector/id6796488849)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Level & Compass free?

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

### Is App Protector free?

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

### Do Bubble Level & Compass or App Protector have ads?

Bubble Level & Compass shows ads; App Protector does not.

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

Bubble Level & Compass ships an update every 11 months, and App Protector every 2 days. Most recently, Bubble Level & Compass was updated on October 24, 2026 and App Protector on October 6, 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.*