# Bubble Level vs Lean

The clearest difference is in-app purchases: Lean at none against Bubble Level's 1. Lean also leads on iOS requirement (17.0 vs 26.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Bubble Level sells 1 in-app purchase, starting at $2.99 per month. Lean asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Bubble Level against 5.0 for Lean. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Bubble Level ships an update fortnightly, Lean every 2 weeks. Both last shipped on October 28, 2026.

## The numbers

| Metric | Bubble Level | Lean |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/bubble-level-smart-toolkit/id6767830260/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/lean-inclinometer/id6780365308/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | Freemium | **Free** |
| Size | 12 MB | 7 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [GuruApps, LLC](https://appshunter.io/developer/1896512134) | [Carl Sieber](https://appshunter.io/developer/6777791133) |

## What reviewers say

### Bubble Level

[App page](https://appshunter.io/ios/app/bubble-level-smart-toolkit/id6767830260)

A versatile measuring toolkit for home improvement and DIY projects. It uses device sensors and the camera to check angles, measure surfaces, align objects, and detect magnetic fields. Offers a variety of tools in a user-friendly interface.

**Highlights:** Bubble Level, Surface Level, Compass, Metal Detector, Laser Level, AR Ruler, Vibration Meter

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Toolkit Pro Monthly | $2.99 | per month |


### Lean

[App page](https://appshunter.io/ios/app/lean-inclinometer/id6780365308)

This utility app transforms your iPhone into a live inclinometer, displaying pitch and roll angles simultaneously for easy reading. It provides customizable warnings with visual and haptic feedback as you approach or exceed set limits. Designed for off-road enthusiasts, it offers a clear, glanceable view of your vehicle's tilt without needing GPS or an internet connection.

**Highlights:** Simultaneous pitch and roll display, Customizable caution and limit warnings, Haptic feedback for alerts, One-tap zeroing for mount angle, Multiple dashboard color themes, Works offline, no GPS or account needed

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Level free?

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

### Is Lean free?

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

### Which has better reviews, Bubble Level or Lean?

Bubble Level and Lean are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do Bubble Level or Lean have ads?

Neither Bubble Level nor Lean shows ads.

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

Bubble Level ships an update fortnightly, and Lean every 2 weeks. Most recently, Bubble Level was updated on October 28, 2026 and Lean on October 28, 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.*