# Bubble level and Clinometer vs Angulus Pro

The clearest difference is price: Angulus Pro at Free against Bubble level and Clinometer's $0.99. Angulus Pro also leads on rating (4.6 vs 4.1) and update cadence (fortnightly vs every 7 months). Bubble level and Clinometer's advantage is in-app purchases (none vs 3) and iOS requirement (11.0 vs 17.6). On ratings volume, ads and device support there is nothing between them.

Angulus Pro is free to download; Bubble level and Clinometer costs $0.99 up front. Angulus Pro sells 3 in-app purchases, starting at $2.99 per month. Bubble level and Clinometer asks for nothing beyond the download.

Angulus Pro holds the better App Store score, 4.6 against 4.1. Both are backed by a comparable volume of ratings — 9 and 26 respectively.

Bubble level and Clinometer ships an update every 7 months, Angulus Pro fortnightly. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Bubble level and Clinometer | Angulus Pro |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.1 (9 ratings)](https://appshunter.io/ios/app/bubble-level-and-clinometer/id304152770/reviews) | **[4.6 (26 ratings)](https://appshunter.io/ios/app/angulus-pro-precision-angle/id6736951943/reviews)** |
| Number of ratings | 9 | **26** |
| Positive reviews | 94.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 13 MB | 134 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Peter Breitling](https://appshunter.io/developer/286215120) | [Yonaga](https://appshunter.io/developer/1774024485) |

## What reviewers say

### Bubble level and Clinometer

[App page](https://appshunter.io/ios/app/bubble-level-and-clinometer/id304152770)

This app provides precise slope and angle measurements using your device's sensors. It offers multiple units, adjustable lock sensitivity, and a peer mode for measuring angles between two devices. Customize the display with different color schemes and prevent sleep mode with adjustable auto-lock.

**Highlights:** Multiple unit modes (degrees, percentage, rise/run), Adjustable dial rotation, Motion-sensitive lock feature, Volume button lock, Peer mode for two-device measurements, Fullscreen mode, Customizable color schemes

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

**In-app purchases:** none


### Angulus Pro

[App page](https://appshunter.io/ios/app/angulus-pro-precision-angle/id6736951943)

This app provides professional-grade angle measurements for clinical and personal use. It offers high precision, multiple measurement modes, and AI-powered camera assistance for accurate assessments and progress tracking.

**Highlights:** Precision to 0.01°, Four Measurement Modes, AI-Powered Camera Overlay, Real-Time Analysis, Clinical Documentation & Export, Progress Tracking

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Angulus Pro Monthly | $2.99 | per month |
| Angulus Pro Annually | $29.99 | per year |
| Angulus Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Bubble level and Clinometer free?

Bubble level and Clinometer costs $0.99, with no in-app purchases.

### Is Angulus Pro free?

Angulus Pro is free to download, with in-app purchases available.

### Which has better reviews, Bubble level and Clinometer or Angulus Pro?

Angulus Pro is rated higher. Bubble level and Clinometer averages 4.1 out of 5 from 9 ratings, while Angulus Pro averages 4.6 from 26 ratings.

### Do Bubble level and Clinometer or Angulus Pro have ads?

Neither Bubble level and Clinometer nor Angulus Pro shows ads.

### Which is updated more often, Bubble level and Clinometer or Angulus Pro?

Bubble level and Clinometer ships an update every 7 months, and Angulus Pro fortnightly. Most recently, Bubble level and Clinometer was updated on October 13, 2026 and Angulus Pro on October 9, 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.*