# CAMMUS vs Bubble Level

The clearest difference is rating: Bubble Level at 4.5 against CAMMUS's 2.1. Bubble Level also leads on review sentiment (41% vs 0%) and ratings volume (719 vs 8). CAMMUS's advantage is in-app purchases (none vs 11) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Bubble Level sells 11 in-app purchases, starting at $1.99 per 7 days. CAMMUS asks for nothing beyond the download.

Bubble Level holds the better App Store score, 4.5 against 2.1. That said, the two scores are not equally well evidenced: Bubble Level has 719 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 0% of CAMMUS's written reviews are positive against 41% of Bubble Level's.

CAMMUS ships an update every 3 weeks, Bubble Level weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CAMMUS | Bubble Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (8 ratings)](https://appshunter.io/ios/app/cammus/id1580325132/reviews) | **[4.5 (719 ratings)](https://appshunter.io/ios/app/bubble-level-ar-angle-finder/id1594066382/reviews)** |
| Number of ratings | 8 | **719** |
| Positive reviews | 0.0% of reviews | **41.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 110 MB | 43 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 9+ | 4+ |
| Developer | [Shenzhen Cammus Electronic Technology Co., Ltd.](https://appshunter.io/developer/1024909287) | [Jens Rieckhof](https://appshunter.io/developer/354266124) |

## What reviewers say

### CAMMUS

[App page](https://appshunter.io/ios/app/cammus/id1580325132)

This app allows users to control and debug a specific computer simulator. It enables Bluetooth connectivity to the device, adjustment of various simulator parameters, and saving of custom modes for future use.

**Highlights:** Control computer simulator, Debug simulator functions, Bluetooth device connection, Adjust simulator parameters, Save custom modes

**Features:** macOS Compatibility

**In-app purchases:** none


### Bubble Level

[App page](https://appshunter.io/ios/app/bubble-level-ar-angle-finder/id1594066382)

This app transforms your phone into a precise leveling tool. It offers accurate angle measurement, inclination detection, and augmented reality features for DIY and professional use. Calibration is simple and quick.

**Highlights:** Ultra-precise angle measurement, Inclination and slope meter, Augmented reality ruler and protractor, Effortless one-touch calibration, Clear and easy-to-read display, User-friendly interface

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Weekly Plan | $1.99 | per 7 days |
| Spirit Level Premium – Monthly | $2.99 | per month |
| Bubble Level Premium - Weekly | $2.99 | per 7 days |
| Bubble Level Premium - Monthly | $5.99 | per month |
| Spirit Level Premium – Annual | $14.99 | per year |
| Bubble Level Premium - Annual | $19.99 | per year |
| All features - No ads | $1.99 | one-time |
| Unlock all AR features | $5.99 | one-time |
| Discount Lifetime Premium | $14.99 | one-time |
| Bubble Level PREMIUM Lifetime | $19.99 | one-time |
| Bubble Level - Lifetime Premium | $29.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🔍 Accurate angle measurements
- 🛠️ Helpful for various tasks (telescopes, leveling, etc.)

**What reviewers complain about**

- 🤑 Expensive ad removal
- 🤖 Unreliable calibration
- 💤 Constant interruptions and ads
- 🚫 Unusable due to ads

**Reported bugs**

- App crashes on launch
- Measurement point behaves erratically

**Requested features**

- Ability to calibrate the app
- Option to change the display color


## Frequently asked questions

### Is CAMMUS free?

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

### Is Bubble Level free?

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

### Which has better reviews, CAMMUS or Bubble Level?

Bubble Level is rated higher. CAMMUS averages 2.1 out of 5 from 8 ratings, while Bubble Level averages 4.5 from 719 ratings.

### Do CAMMUS or Bubble Level have ads?

Bubble Level shows ads; CAMMUS does not.

### Which is updated more often, CAMMUS or Bubble Level?

CAMMUS ships an update every 3 weeks, and Bubble Level weekly. Most recently, CAMMUS was updated on October 24, 2026 and Bubble Level on October 25, 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.*