# Bubble Level vs Alignment Pro

The clearest difference is review sentiment: Alignment Pro at 100% against Bubble Level's 41%. Alignment Pro also leads on rating (5.0 vs 4.5) and in-app purchases (none vs 11). Bubble Level's advantage is price (Free vs $4.99) and ratings volume (702 vs 2). On device support and iOS requirement there is nothing between them.

Bubble Level is free to download; Alignment Pro costs $4.99 up front. Bubble Level sells 11 in-app purchases, starting at $1.99 per 7 days. Alignment Pro asks for nothing beyond the download.

Alignment Pro holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Bubble Level has 702 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 41% of Bubble Level's written reviews are positive against 100% of Alignment Pro's.

Bubble Level ships an update weekly, Alignment Pro fortnightly. The most recent releases landed on September 29, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Bubble Level | Alignment Pro |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [4.5 (702 ratings)](https://appshunter.io/ios/app/bubble-level-ar-angle-finder/id1594066382/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/alignment-pro/id6749398832/reviews)** |
| Number of ratings | **702** | 2 |
| Positive reviews | 41.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 43 MB | 31 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jens Rieckhof](https://appshunter.io/developer/354266124) | [Jeffrey Andrews](https://appshunter.io/developer/1830329495) |

## What reviewers say

### Bubble Level

[App page](https://appshunter.io/ios/app/bubble-level-ar-angle-finder/id1594066382)

This app transforms your phone into a precise leveling tool. It offers accurate angle measurement, inclination detection, and augmented reality features for DIY and professional use. Calibration is simple and quick.

**Highlights:** Ultra-precise angle measurement, Inclination and slope meter, Augmented reality ruler and protractor, Effortless one-touch calibration, Clear and easy-to-read display, User-friendly interface

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Weekly Plan | $1.99 | per 7 days |
| Spirit Level Premium – Monthly | $2.99 | per month |
| Bubble Level Premium - Weekly | $2.99 | per 7 days |
| Bubble Level Premium - Monthly | $5.99 | per month |
| Spirit Level Premium – Annual | $14.99 | per year |
| Bubble Level Premium - Annual | $19.99 | per year |
| All features - No ads | $1.99 | one-time |
| Unlock all AR features | $5.99 | one-time |
| Discount Lifetime Premium | $14.99 | one-time |
| Bubble Level PREMIUM Lifetime | $19.99 | one-time |
| Bubble Level - Lifetime Premium | $29.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🔍 Accurate angle measurements
- 🛠️ Helpful for various tasks (telescopes, leveling, etc.)

**What reviewers complain about**

- 🤑 Expensive ad removal
- 🤖 Unreliable calibration
- 💤 Constant interruptions and ads
- 🚫 Unusable due to ads

**Reported bugs**

- App crashes on launch
- Measurement point behaves erratically

**Requested features**

- Ability to calibrate the app
- Option to change the display color


### Alignment Pro

[App page](https://appshunter.io/ios/app/alignment-pro/id6749398832)

This utility app uses your phone's sensors and a tape measure to collect wheel alignment data. It offers simple on-screen guidance, allows for custom vehicle specifications, and includes features like slop compensation and detailed summaries of alignment issues.

**Highlights:** Wheel alignment data collection, On-screen instructions, Custom vehicle specifications, Slop compensation, Alignment summary with implications, Uses phone sensors and tape measure

**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 Alignment Pro free?

Alignment Pro costs $4.99, with no in-app purchases.

### Which has better reviews, Bubble Level or Alignment Pro?

Alignment Pro is rated higher. Bubble Level averages 4.5 out of 5 from 702 ratings, while Alignment Pro averages 5.0 from 2 ratings.

### Do Bubble Level or Alignment Pro have ads?

Bubble Level shows ads; Alignment Pro does not.

### Which is updated more often, Bubble Level or Alignment Pro?

Bubble Level ships an update weekly, and Alignment Pro fortnightly. Most recently, Bubble Level was updated on September 29, 2026 and Alignment Pro on September 18, 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.*