# AirMeter vs Bubble Level Tool

The clearest difference is in-app purchases: AirMeter at none against Bubble Level Tool's 2. AirMeter also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 9 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Bubble Level Tool sells 2 in-app purchases, starting at $4.99 per month. AirMeter asks for nothing beyond the download.

AirMeter ships an update every 2 weeks, Bubble Level Tool every 9 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | AirMeter | Bubble Level Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bubble-level-tool-level/id6743683226/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 9 months |
| Monetization | — | Free with in-app purchases |
| Size | 113 MB | 74 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ANRK Inc](https://appshunter.io/developer/1499809873) | [kota tada](https://appshunter.io/developer/1658942612) |

## What reviewers say

### AirMeter

[App page](https://appshunter.io/ios/app/airmeter/id6503940833)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bubble Level Tool

[App page](https://appshunter.io/ios/app/bubble-level-tool-level/id6743683226)

Measure horizontal and vertical levels with your smartphone. This tool uses intuitive animations to show when a surface is perfectly level, featuring a calibration function for precise results. Ideal for DIY, construction, and furniture installation.

**Highlights:** Measure horizontal and vertical levels, Intuitive animation indicators, Calibration function for precision, Suitable for DIY projects, Useful for construction, Furniture installation aid

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $49.99 | per year |


## Frequently asked questions

### Is AirMeter free?

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

### Is Bubble Level Tool free?

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

### Do AirMeter or Bubble Level Tool have ads?

Bubble Level Tool shows ads; AirMeter does not.

### Which is updated more often, AirMeter or Bubble Level Tool?

AirMeter ships an update every 2 weeks, and Bubble Level Tool every 9 months. Most recently, AirMeter was updated on November 4, 2026 and Bubble Level Tool on October 30, 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.*