# Bubble Level vs Smart Bubble Level

The clearest difference is price: Bubble Level at Free against Smart Bubble Level's $0.29. Smart Bubble Level's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On ads there is nothing between them.

Bubble Level is free to download; Smart Bubble Level costs $0.29 up front. Bubble Level sells 1 one-off in-app purchase. Smart Bubble Level asks for nothing beyond the download.

## The numbers

| Metric | Bubble Level | Smart Bubble Level |
| --- | --- | --- |
| Price | **Free** | $0.29 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bubble-level-calibrated/id6767735397/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 22 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YUNFEI XU](https://appshunter.io/developer/1893542767) | [Hassan Mehboob](https://appshunter.io/developer/1460528807) |

## What reviewers say

### Bubble Level

[App page](https://appshunter.io/ios/app/bubble-level-calibrated/id6767735397)

This utility app transforms your iPhone into an accurate bubble level, accounting for real-world phone surfaces like cases and camera bumps. It's ideal for everyday measuring, alignment, and leveling tasks around the house or for DIY projects.

**Highlights:** Bubble level for horizontal and vertical surfaces, Calibration for phones with cases and camera bumps, Angle and slope measurement, Clean, easy-to-read display, Fast launch for quick checks

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | one-time |


### Smart Bubble Level

[App page](https://appshunter.io/ios/app/smart-bubble-level-clinometer/id6783734557)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Level free?

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

### Is Smart Bubble Level free?

Smart Bubble Level costs $0.29, with no in-app purchases.

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

Neither Bubble Level nor Smart Bubble Level shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*