# Precise Bubble Level vs Digital Protractor & Level

The clearest difference is ads: Digital Protractor & Level at none against Precise Bubble Level's shown. Precise Bubble Level's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Precise Bubble Level sells 3 in-app purchases, starting at $0.99 per 7 days and Digital Protractor & Level sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Precise Bubble Level ships an update every 11 days, Digital Protractor & Level every 9 days. The most recent releases landed on September 12, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Precise Bubble Level | Digital Protractor & Level |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 11 days | **Every 9 days** |
| Size | 49 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Turan Hurkan Ergunsu](https://appshunter.io/developer/1842106410) | [Robert Carpenter](https://appshunter.io/developer/6792301217) |

## What reviewers say

### Precise Bubble Level

[App page](https://appshunter.io/ios/app/precise-bubble-level/id6762563537)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | per 7 days |
| Remove Ads | $2.99 | per month |
| Remove Ads | $17.99 | per year |


### Digital Protractor & Level

[App page](https://appshunter.io/ios/app/digital-protractor-and-level/id6795648874)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $1.99 | one-time |


## Frequently asked questions

### Is Precise Bubble Level free?

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

### Is Digital Protractor & Level free?

Digital Protractor & Level is free to download, with in-app purchases available.

### Do Precise Bubble Level or Digital Protractor & Level have ads?

Precise Bubble Level shows ads; Digital Protractor & Level does not.

### Which is updated more often, Precise Bubble Level or Digital Protractor & Level?

Precise Bubble Level ships an update every 11 days, and Digital Protractor & Level every 9 days. Most recently, Precise Bubble Level was updated on September 12, 2026 and Digital Protractor & Level on September 15, 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.*