# Bubble Level vs PSCalculator

The clearest difference is in-app purchases: PSCalculator at none against Bubble Level's 11. PSCalculator also leads on update cadence (daily vs weekly). Bubble Level's advantage is iOS requirement (16.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Bubble Level sells 11 in-app purchases, starting at $1.99 per 7 days. PSCalculator asks for nothing beyond the download.

Bubble Level ships an update weekly, PSCalculator daily. The most recent releases landed on October 17, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Bubble Level | PSCalculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (702 ratings)](https://appshunter.io/ios/app/bubble-level-ar-angle-finder/id1594066382/reviews)** | — |
| Number of ratings | **702** | — |
| Positive reviews | 41.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 4 MB |
| Requires iOS | **16.6** | 26.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Jens Rieckhof](https://appshunter.io/developer/354266124) | [pilsun jang](https://appshunter.io/developer/1889778139) |

## 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


### PSCalculator

[App page](https://appshunter.io/ios/app/pscalculator/id6761456237)

**Features:** 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 PSCalculator free?

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

### Do Bubble Level or PSCalculator have ads?

Both Bubble Level and PSCalculator show ads.

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

Bubble Level ships an update weekly, and PSCalculator daily. Most recently, Bubble Level was updated on October 17, 2026 and PSCalculator on October 9, 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.*