# BLU Audit vs Bubble Level & Inclinometer

The clearest difference is update cadence: BLU Audit at every 4 weeks against Bubble Level & Inclinometer's every 4 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.

BLU Audit ships an update every 4 weeks, Bubble Level & Inclinometer every 4 months. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | BLU Audit | Bubble Level & Inclinometer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 4 months |
| Size | 64 MB | 22 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [J2 Light Inc.](https://appshunter.io/developer/1420390088) | [lapnito.cz s.r.o.](https://appshunter.io/developer/1577358577) |

## What reviewers say

### BLU Audit

[App page](https://appshunter.io/ios/app/blu-audit/id6757886656)

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

**In-app purchases:** none


### Bubble Level & Inclinometer

[App page](https://appshunter.io/ios/app/bubble-level-and-inclinometer/id6760186006)

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

**In-app purchases:** none


## Frequently asked questions

### Is BLU Audit free?

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

### Is Bubble Level & Inclinometer free?

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

### Do BLU Audit or Bubble Level & Inclinometer have ads?

Neither BLU Audit nor Bubble Level & Inclinometer shows ads.

### Which is updated more often, BLU Audit or Bubble Level & Inclinometer?

BLU Audit ships an update every 4 weeks, and Bubble Level & Inclinometer every 4 months. Most recently, BLU Audit was updated on September 30, 2026 and Bubble Level & Inclinometer on October 6, 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.*