# Spirit Level vs Bubble Level

The clearest difference is in-app purchases: Spirit Level at none against Bubble Level's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Bubble Level sells 3 in-app purchases, starting at $4.99 per 7 days. Spirit Level asks for nothing beyond the download.

Spirit Level ships an update every 3 weeks, Bubble Level monthly. The most recent releases landed on September 8, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Spirit Level | Bubble Level |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 1 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Monolayer Studio](https://appshunter.io/developer/1864336935) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Spirit Level

[App page](https://appshunter.io/ios/app/spirit-level-angle-finder/id6761785584)

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

**In-app purchases:** none


### Bubble Level

[App page](https://appshunter.io/ios/app/bubble-level-angle-finder/id6772273713)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bubble Gauge Weekly | $4.99 | per 7 days |
| Slope Finder Yearly | $24.99 | per year |
| Angle Meter, Pay Once | $49.99 | one-time |


## Frequently asked questions

### Is Spirit Level free?

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

### Is Bubble Level free?

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

### Do Spirit Level or Bubble Level have ads?

Neither Spirit Level nor Bubble Level shows ads.

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

Spirit Level ships an update every 3 weeks, and Bubble Level monthly. Most recently, Spirit Level was updated on September 8, 2026 and Bubble Level on September 21, 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.*