# Global Prospect Driver vs Bubble Level

The clearest difference is in-app purchases: Global Prospect Driver at none against Bubble Level's 11. Global Prospect Driver also leads on ads (none vs shown) and iOS requirement (13.4 vs 16.6). Bubble Level's advantage is update cadence (weekly vs every 2 months). On price 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. Global Prospect Driver asks for nothing beyond the download.

Global Prospect Driver ships an update every 2 months, Bubble Level weekly. The most recent releases landed on October 13, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Global Prospect Driver | Bubble Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (720 ratings)](https://appshunter.io/ios/app/bubble-level-ar-angle-finder/id1594066382/reviews)** |
| Number of ratings | — | **720** |
| Positive reviews | — | 41.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 43 MB |
| Requires iOS | **13.4** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [SK SOFTWARE Sp. z o.o.](https://appshunter.io/developer/1579853204) | [Jens Rieckhof](https://appshunter.io/developer/354266124) |

## What reviewers say

### Global Prospect Driver

[App page](https://appshunter.io/ios/app/global-prospect-driver/id1579853202)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Global Prospect Driver free?

Global Prospect Driver is free to download, with no in-app purchases.

### Is Bubble Level free?

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

### Do Global Prospect Driver or Bubble Level have ads?

Bubble Level shows ads; Global Prospect Driver does not.

### Which is updated more often, Global Prospect Driver or Bubble Level?

Global Prospect Driver ships an update every 2 months, and Bubble Level weekly. Most recently, Global Prospect Driver was updated on October 13, 2026 and Bubble Level on October 27, 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.*