# Bubble Level vs Plumb

Bubble Level and Plumb both sit at 4.5 stars, but that hides the real split: 100% of Plumb's written reviews are positive against 25% of Bubble Level's. Plumb also leads on ads (none vs shown) and monetization model (free vs free with in-app purchases). Bubble Level's advantage is ratings volume (63 vs 10) and device support (3 vs 1). On price, rating, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Bubble Level sells 6 in-app purchases, starting at $0.99 per 7 days and Plumb sells 1 in-app purchase, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for Bubble Level against 4.6 for Plumb. That said, the two scores are not equally well evidenced: Bubble Level has 63 ratings behind it against 10, so its average is the more settled of the two. Written reviews are what separate them: 25% of Bubble Level's written reviews are positive against 100% of Plumb's.

Bubble Level ships an update every 2 months, Plumb every 3 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Bubble Level | Plumb |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (63 ratings)](https://appshunter.io/ios/app/bubble-level-measure-tool/id6449900551/reviews) | **[4.6 (10 ratings)](https://appshunter.io/ios/app/plumb-bubble-spirit-level/id6760734372/reviews)** |
| Number of ratings | **63** | 10 |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 17 MB | 2 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vicki Partridge](https://appshunter.io/developer/1114861973) | [National Tool Works LLC](https://appshunter.io/developer/1885230787) |

## What reviewers say

### Bubble Level

[App page](https://appshunter.io/ios/app/bubble-level-measure-tool/id6449900551)

Transform your device into a precise bubble level, angle gauge, and measuring tool. Ideal for home improvement, construction, and DIY projects, it offers real-time tilt readings and surface alignment for professional accuracy.

**Highlights:** Live angle measurement, Classic bubble level view, Plumb checker, 360° surface alignment, Independent calibration, Clear visual tilt display

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.99 | per 7 days |
| Monthly Subscription | $2.99 | per month |
| Monthly Subscription | $4.99 | per month |
| Yearly Subscription | $9.99 | per year |
| Yearly Subscription | $49.99 | per year |
| Remove Ads | $1.99 | one-time |


### Plumb

[App page](https://appshunter.io/ios/app/plumb-bubble-spirit-level/id6760734372)

This tool simulates a physical spirit level with realistic physics and fluid optics. It offers multiple display modes for angles and surfaces, with customizable feedback for precise measurements. Features include calibration, night mode, and various themes for different lighting conditions.

**Highlights:** Realistic bubble level physics, Surface bullseye level, Customizable angle measurement, Multiple display modes, Auto-orientation detection, Hold reading function, Visual, audio, and haptic feedback

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plumb Pro | $9.99 | per year |


## Frequently asked questions

### Is Bubble Level free?

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

### Is Plumb free?

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

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

Plumb is rated higher. Bubble Level averages 4.5 out of 5 from 63 ratings, while Plumb averages 4.6 from 10 ratings.

### Do Bubble Level or Plumb have ads?

Bubble Level shows ads; Plumb does not.

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

Bubble Level ships an update every 2 months, and Plumb every 3 weeks. Most recently, Bubble Level was updated on November 3, 2026 and Plumb on November 5, 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.*