# Bubble Level vs Meilan Assistant

The clearest difference is rating: Bubble Level at 4.6 against Meilan Assistant's 1.0. Bubble Level also leads on review sentiment (29% vs 0%) and ratings volume (3.1K vs 1). Meilan Assistant'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. Meilan Assistant 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. Written reviews point the same way: 29% of Bubble Level's written reviews are positive against 0% of Meilan Assistant's.

Bubble Level ships an update every 10 months, Meilan Assistant every 4 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Bubble Level | Meilan Assistant |
| --- | --- | --- |
| 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/meilan-assistant/id1525652676/reviews) |
| Number of ratings | **3.1K** | 1 |
| Positive reviews | **29.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Every 4 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 25 MB |
| Requires iOS | 17.0 | **9.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Netviking AB](https://appshunter.io/developer/425652251) | [Shenzhen Meilan Technology Co.,Ltd.](https://appshunter.io/developer/1471083069) |

## 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


### Meilan Assistant

[App page](https://appshunter.io/ios/app/meilan-assistant/id1525652676)

This utility app is designed to upgrade and manage your Meilan bike computer. It provides essential tools for keeping your device's firmware up-to-date and ensuring optimal performance for your cycling activities.

**Highlights:** Bike computer firmware upgrades, Device management, Performance optimization, Utility tool

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Level free?

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

### Is Meilan Assistant free?

Meilan Assistant is free to download, with no in-app purchases.

### Which has better reviews, Bubble Level or Meilan Assistant?

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

### Do Bubble Level or Meilan Assistant have ads?

Bubble Level shows ads; Meilan Assistant does not.

### Which is updated more often, Bubble Level or Meilan Assistant?

Bubble Level ships an update every 10 months, and Meilan Assistant every 4 months. Most recently, Bubble Level was updated on October 26, 2026 and Meilan Assistant on October 24, 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.*