# Bubble Level + Compass Pro vs MeMstar

The clearest difference is price: MeMstar at Free against Bubble Level + Compass Pro's $0.99. MeMstar also leads on update cadence (every 9 months vs every 17 months). Bubble Level + Compass Pro's advantage is iOS requirement (12.0 vs 14.0). On ads, in-app purchases and device support there is nothing between them.

MeMstar is free to download; Bubble Level + Compass Pro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Bubble Level + Compass Pro ships an update every 17 months, MeMstar every 9 months. The most recent releases landed on October 10, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Bubble Level + Compass Pro | MeMstar |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (22 ratings)](https://appshunter.io/ios/app/bubble-level-plus-compass-pro/id988590222/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 9 months** |
| Monetization | Paid | — |
| Size | 7 MB | 25 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dimitrios Kechagias](https://appshunter.io/developer/970157964) | [Mickael Pannequin](https://appshunter.io/developer/1688387073) |

## What reviewers say

### Bubble Level + Compass Pro

[App page](https://appshunter.io/ios/app/bubble-level-plus-compass-pro/id988590222)

This utility app provides a precise spirit level and compass for your iPhone and Apple Watch. Get live readings on your wrist, even when your phone's screen is out of sight. Features include bullseye, horizontal, and vertical levels with 0.1-degree precision.

**Highlights:** Bullseye, horizontal, and vertical levels, 0.1-degree precision, True and magnetic heading, Apple Watch companion app, Gyro or accelerometer sensor mode, Red-light night mode

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### MeMstar

[App page](https://appshunter.io/ios/app/memstar/id6449255656)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Level + Compass Pro free?

Bubble Level + Compass Pro costs $0.99, with no in-app purchases.

### Is MeMstar free?

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

### Do Bubble Level + Compass Pro or MeMstar have ads?

Neither Bubble Level + Compass Pro nor MeMstar shows ads.

### Which is updated more often, Bubble Level + Compass Pro or MeMstar?

Bubble Level + Compass Pro ships an update every 17 months, and MeMstar every 9 months. Most recently, Bubble Level + Compass Pro was updated on October 10, 2026 and MeMstar on September 30, 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.*