# Bubble Level Plus+ vs Spirit Level X

The clearest difference is in-app purchases: Spirit Level X at none against Bubble Level Plus+'s 2. Spirit Level X also leads on review sentiment (67% vs 38%) and rating (5.0 vs 4.6). Bubble Level Plus+'s advantage is ads (none vs shown) and ratings volume (15K vs 1). On price and device support there is nothing between them.

Both are free to download. Bubble Level Plus+ sells 2 one-off in-app purchases. Spirit Level X asks for nothing beyond the download.

Spirit Level X holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Bubble Level Plus+ has 15K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 38% of Bubble Level Plus+'s written reviews are positive against 67% of Spirit Level X's.

Bubble Level Plus+ ships an update every 2 months, Spirit Level X every 7 months. The most recent releases landed on September 29, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Bubble Level Plus+ | Spirit Level X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (15K ratings)](https://appshunter.io/ios/app/bubble-level-plus-plus/id618064263/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spirit-level-x/id912233546/reviews)** |
| Number of ratings | **15K** | 1 |
| Positive reviews | 37.6% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 8 MB | 5 MB |
| Requires iOS | 17.6 | **13** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tue Nguyen Minh](https://appshunter.io/developer/434811167) | [Bo Kalvslund](https://appshunter.io/developer/572272193) |

## What reviewers say

### Bubble Level Plus+

[App page](https://appshunter.io/ios/app/bubble-level-plus-plus/id618064263)

This utility app functions as a digital bubble level, angle meter, and tilt meter. It helps users align picture frames, measure slopes, and assist with home decoration. Calibration instructions are provided for accurate measurements.

**Highlights:** Bubble level functionality, Angle measurement, Tilt meter, Picture frame alignment, Home decoration assistance, Calibration guide

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Features | $0.99 | one-time |
| Bubble Level Pro | $1.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- ⚙️ Accurate measurements
- 💡 Useful for various applications

**What reviewers complain about**

- 🔒 Overly aggressive monetization
- 🕰️ Extremely limited free version
- 🐛 Inconsistent performance
- 💤 Frequent pop-ups disrupting usage

**Reported bugs**

- Bubble level not working as expected
- Measurements resetting unexpectedly
- Compatibility issues with newer devices

**Requested features**

- Ability to lock calibration settings
- More customization options
- Improved accuracy for larger angles


### Spirit Level X

[App page](https://appshunter.io/ios/app/spirit-level-x/id912233546)

This utility app uses sound to indicate when your device is level, aiding in tasks like hanging shelves. It features calibration options and a default reset for ease of use. The app functions best when the device is placed horizontally.

**Highlights:** Sound indicator for leveling, Adjustable sound on/off, Calibration buttons, Value display for calibration, Default reset option

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

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Level Plus+ free?

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

### Is Spirit Level X free?

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

### Which has better reviews, Bubble Level Plus+ or Spirit Level X?

Spirit Level X is rated higher. Bubble Level Plus+ averages 4.6 out of 5 from 15K ratings, while Spirit Level X averages 5.0 from 1 ratings.

### Do Bubble Level Plus+ or Spirit Level X have ads?

Spirit Level X shows ads; Bubble Level Plus+ does not.

### Which is updated more often, Bubble Level Plus+ or Spirit Level X?

Bubble Level Plus+ ships an update every 2 months, and Spirit Level X every 7 months. Most recently, Bubble Level Plus+ was updated on September 29, 2026 and Spirit Level X on September 6, 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.*