# TrueLevel Bubble Level vs Protractor Measuring Angle

The clearest difference is update cadence: Protractor Measuring Angle at every 2 days against TrueLevel Bubble Level's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TrueLevel Bubble Level ships an update every 3 months, Protractor Measuring Angle every 2 days. The most recent releases landed on September 25, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | TrueLevel Bubble Level | Protractor Measuring Angle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Size | 12 MB | 16 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | +4 | 4+ |
| Developer | [Ilia Filiaev](https://appshunter.io/developer/1742628366) | [MSR TECH LLP](https://appshunter.io/developer/1761560109) |

## What reviewers say

### TrueLevel Bubble Level

[App page](https://appshunter.io/ios/app/truelevel-bubble-level/id6776346163)

**Features:** macOS Compatibility

**In-app purchases:** none


### Protractor Measuring Angle

[App page](https://appshunter.io/ios/app/protractor-measuring-angle/id6785106013)

**In-app purchases:** none


## Frequently asked questions

### Is TrueLevel Bubble Level free?

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

### Is Protractor Measuring Angle free?

Protractor Measuring Angle is free to download, with no in-app purchases.

### Do TrueLevel Bubble Level or Protractor Measuring Angle have ads?

Neither TrueLevel Bubble Level nor Protractor Measuring Angle shows ads.

### Which is updated more often, TrueLevel Bubble Level or Protractor Measuring Angle?

TrueLevel Bubble Level ships an update every 3 months, and Protractor Measuring Angle every 2 days. Most recently, TrueLevel Bubble Level was updated on September 25, 2026 and Protractor Measuring Angle on September 19, 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.*