# Bubble Level & Ruler Measure vs Protractor Angle Measure Tool

The clearest difference is rating: Protractor Angle Measure Tool at 4.4 against Bubble Level & Ruler Measure's 3.9. Protractor Angle Measure Tool also leads on ads (none vs shown) and ratings volume (179 vs 10). Bubble Level & Ruler Measure's advantage is in-app purchases (none vs 4). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Protractor Angle Measure Tool sells 4 in-app purchases, starting at $4.99 per 7 days. Bubble Level & Ruler Measure asks for nothing beyond the download.

Protractor Angle Measure Tool holds the better App Store score, 4.4 against 3.9. That said, the two scores are not equally well evidenced: Protractor Angle Measure Tool has 179 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 0% of Bubble Level & Ruler Measure's written reviews are positive against 12% of Protractor Angle Measure Tool's.

Bubble Level & Ruler Measure ships an update every 2 months, Protractor Angle Measure Tool monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Bubble Level & Ruler Measure | Protractor Angle Measure Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (10 ratings)](https://appshunter.io/ios/app/bubble-level-and-ruler-measure/id1635110719/reviews) | **[4.4 (179 ratings)](https://appshunter.io/ios/app/protractor-angle-measure-tool/id6742701087/reviews)** |
| Number of ratings | 10 | **179** |
| Positive reviews | 0.0% of reviews | **11.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 68 MB | 77 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Coocent Ltd.](https://appshunter.io/developer/942889525) | [Appcellent](https://appshunter.io/developer/1870956141) |

## What reviewers say

### Bubble Level & Ruler Measure

[App page](https://appshunter.io/ios/app/bubble-level-and-ruler-measure/id1635110719)

This app offers a precise bubble level, straight ruler, and 2D ruler for various measurement needs. It includes features like a protractor and compass, making it a versatile tool for carpentry, construction, and photography. Calibrate for accurate readings on any surface.

**Highlights:** Precise bubble level, Straight and 2D ruler, Vertical line and protractor, Compass function, Adjustable measurement units, Interface lock and bubble level modes

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

**In-app purchases:** none


### Protractor Angle Measure Tool

[App page](https://appshunter.io/ios/app/protractor-angle-measure-tool/id6742701087)

This tool transforms your device into a precise angle measurement instrument. It's ideal for DIY projects, construction, and renovations, offering real-time readings in various formats. Get professional-grade accuracy for all your angled surface needs.

**Highlights:** Precise angle measurement, Vertical and horizontal orientations, Multiple measurement units (degrees, radians, gradians), Target angle alerts with audio/vibration, Real-time precision readings, Apple Watch support with haptic feedback

**Features:** Apple Watch app

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Protractor Weekly | $4.99 | per 7 days |
| Protractor Weekly with Trial | $6.99 | per 7 days |
| Protractor Weekly with Trial | $8.99 | per 7 days |
| Protractor Annual | $39.99 | per year |


## Frequently asked questions

### Is Bubble Level & Ruler Measure free?

Bubble Level & Ruler Measure is free to download, with no in-app purchases.

### Is Protractor Angle Measure Tool free?

Protractor Angle Measure Tool is free to download, with in-app purchases available.

### Which has better reviews, Bubble Level & Ruler Measure or Protractor Angle Measure Tool?

Protractor Angle Measure Tool is rated higher. Bubble Level & Ruler Measure averages 3.9 out of 5 from 10 ratings, while Protractor Angle Measure Tool averages 4.4 from 179 ratings.

### Do Bubble Level & Ruler Measure or Protractor Angle Measure Tool have ads?

Bubble Level & Ruler Measure shows ads; Protractor Angle Measure Tool does not.

### Which is updated more often, Bubble Level & Ruler Measure or Protractor Angle Measure Tool?

Bubble Level & Ruler Measure ships an update every 2 months, and Protractor Angle Measure Tool monthly. Most recently, Bubble Level & Ruler Measure was updated on October 24, 2026 and Protractor Angle Measure Tool 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.*