# Planetary Compass vs BPM Master

The clearest difference is price: Planetary Compass at Free against BPM Master's $0.99. Planetary Compass also leads on update cadence (every 6 days vs every 6 weeks). BPM Master's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.0). On in-app purchases and device support there is nothing between them.

Planetary Compass is free to download; BPM Master costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Planetary Compass ships an update every 6 days, BPM Master every 6 weeks. The most recent releases landed on September 15, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Planetary Compass | BPM Master |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[1.8 (4 ratings)](https://appshunter.io/ios/app/planetary-compass/id1665242068/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Every 6 weeks |
| Monetization | Ad-supported | — |
| Size | 8 MB | 1 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Gaston Sobrevilla](https://appshunter.io/developer/1580321667) | [Oleksandr Pasha](https://appshunter.io/developer/1714813567) |

## What reviewers say

### Planetary Compass

[App page](https://appshunter.io/ios/app/planetary-compass/id1665242068)

Discover the location of planets in the night sky. This app helps you identify celestial bodies like Mars and Jupiter, indicating their position, altitude, and magnitude. It also informs you if a planet is visible without optical aid.

**Highlights:** Indicates Azimuth, Altitude, and Magnitude, Helps locate planets by rotating phone, Indicates naked-eye visibility, Identifies planets like Mars and Jupiter

**In-app purchases:** none


### BPM Master

[App page](https://appshunter.io/ios/app/bpm-master/id6475794293)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Planetary Compass free?

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

### Is BPM Master free?

BPM Master costs $0.99, with no in-app purchases.

### Do Planetary Compass or BPM Master have ads?

Planetary Compass shows ads; BPM Master does not.

### Which is updated more often, Planetary Compass or BPM Master?

Planetary Compass ships an update every 6 days, and BPM Master every 6 weeks. Most recently, Planetary Compass was updated on September 15, 2026 and BPM Master 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.*