# Bubble Level + Spirit Level vs Protractor Angle Measure Tool

Bubble Level + Spirit Level and Protractor Angle Measure Tool both sit at 4.4 stars, but that hides the real split: 100% of Bubble Level + Spirit Level's written reviews are positive against 12% of Protractor Angle Measure Tool's. Bubble Level + Spirit Level also leads on update cadence (fortnightly vs monthly). Protractor Angle Measure Tool's advantage is ads (none vs shown) and ratings volume (178 vs 35). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. Bubble Level + Spirit Level sells 7 in-app purchases, starting at $0.99 per 7 days and Protractor Angle Measure Tool sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.4 for Bubble Level + Spirit Level against 4.4 for Protractor Angle Measure Tool. That said, the two scores are not equally well evidenced: Protractor Angle Measure Tool has 178 ratings behind it against 35, so its average is the more settled of the two. Written reviews are what separate them: 100% of Bubble Level + Spirit Level's written reviews are positive against 12% of Protractor Angle Measure Tool's.

Bubble Level + Spirit Level ships an update fortnightly, Protractor Angle Measure Tool monthly. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Bubble Level + Spirit Level | Protractor Angle Measure Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (35 ratings)](https://appshunter.io/ios/app/bubble-level-plus-spirit-level/id1547834136/reviews) | [4.4 (178 ratings)](https://appshunter.io/ios/app/protractor-angle-measure-tool/id6742701087/reviews) |
| Number of ratings | 35 | **178** |
| Positive reviews | **100.0% of reviews** | 11.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 38 MB | 77 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Jens Rieckhof](https://appshunter.io/developer/354266124) | [Appcellent](https://appshunter.io/developer/1870956141) |

## What reviewers say

### Bubble Level + Spirit Level

[App page](https://appshunter.io/ios/app/bubble-level-plus-spirit-level/id1547834136)

Transform your smartphone into a precise measuring tool. This application offers two modes for accurately leveling surfaces or measuring angles, with calibration made simple. It's ideal for tasks like hanging pictures, checking table levels, or calculating roof pitches.

**Highlights:** Bubble level and spirit level modes, Accurate to one tenth of a degree, Easy calibration, Camera support, Multiple color schemes, Angle and slope measurement

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bubble Level - Weekly | $0.99 | per 7 days |
| Bubble Level - Weekly | $1.99 | per 7 days |
| Bubble Level - Annual | $6.99 | per year |
| Bubble Level - Annual | $8.99 | per year |
| Bubble Level - Lifetime Discount | $9.99 | one-time |
| Bubble Level - Lifetime Premium | $12.99 | one-time |
| Bubble Level - Lifetime | $19.99 | one-time |


### 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 + Spirit Level free?

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

### 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 + Spirit Level or Protractor Angle Measure Tool?

Bubble Level + Spirit Level and Protractor Angle Measure Tool are both rated 4.4 out of 5 on the App Store, from 35 and 178 ratings respectively.

### Do Bubble Level + Spirit Level or Protractor Angle Measure Tool have ads?

Bubble Level + Spirit Level shows ads; Protractor Angle Measure Tool does not.

### Which is updated more often, Bubble Level + Spirit Level or Protractor Angle Measure Tool?

Bubble Level + Spirit Level ships an update fortnightly, and Protractor Angle Measure Tool monthly. Most recently, Bubble Level + Spirit Level was updated on October 15, 2026 and Protractor Angle Measure Tool on October 16, 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.*