# Bubble Level vs Surface Level

The clearest difference is rating: Bubble Level at 4.6 against Surface Level's 1.0. Bubble Level also leads on ratings volume (3.1K vs 1). Surface Level's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

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

Bubble Level holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Bubble Level has 3.1K ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Bubble Level | Surface Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (3.1K ratings)](https://appshunter.io/ios/app/bubble-level-spirit-level/id906629042/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/surface-level-bubble-level/id1623528912/reviews) |
| Number of ratings | **3.1K** | 1 |
| Positive reviews | 29.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 49 MB |
| Requires iOS | 17.0 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Netviking AB](https://appshunter.io/developer/425652251) | [Monali Paghadal](https://appshunter.io/developer/1577491687) |

## What reviewers say

### Bubble Level

[App page](https://appshunter.io/ios/app/bubble-level-spirit-level/id906629042)

This utility app functions as a precise spirit level for your iOS devices. It's ideal for tasks like aligning picture frames, measuring angles, and checking the levelness of various surfaces. The app offers calibration and accurate readings to a tenth of a degree.

**Highlights:** Measure surface level, Calibrate with one click, Accurate to 0.1 degree, Retina display support, Picture frame alignment, Angle and slope measurement

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $4.99 | one-time |

**What reviewers like**

- 👍 Handy app to have available
- 🚀 Easy to use
- 💡 Useful for home jobs
- 🚀 Accurate and functional

**What reviewers complain about**

- 🐛 Ads constantly interrupt usage
- 🐛 Ads prevent app from working properly
- 🐛 Ads and games take over the app
- 🐛 Calibration issues and inability to use vertically

**Reported bugs**

- Ads crash the app
- Inability to exit the app due to ads
- Calibration button doesn't work as expected

**Requested features**

- Percent slope display option
- Ability to rotate bubble to vertical position


### Surface Level

[App page](https://appshunter.io/ios/app/surface-level-bubble-level/id1623528912)

This utility app functions as a digital bubble level, allowing users to measure horizontal, vertical, and flat surfaces with 360-degree precision. It includes calibration features and a digital compass for outdoor use.

**Highlights:** Horizontal, vertical, and flat surface measurement, 360-degree level precision, Surface calibration, Digital compass, Easy to use interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Level free?

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

### Is Surface Level free?

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

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

Bubble Level is rated higher. Bubble Level averages 4.6 out of 5 from 3.1K ratings, while Surface Level averages 1.0 from 1 ratings.

### Do Bubble Level or Surface Level have ads?

Bubble Level shows ads; Surface Level does not.

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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.*