# Astro Kit vs Compass 54 Pro

The clearest difference is rating: Astro Kit at 4.6 against Compass 54 Pro's 3.2. Astro Kit also leads on in-app purchases (none vs 1) and review sentiment (50% vs 40%). Compass 54 Pro's advantage is iOS requirement (9.0 vs 17.6). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Compass 54 Pro sells 1 one-off in-app purchase. Astro Kit asks for nothing beyond the download.

Astro Kit holds the better App Store score, 4.6 against 3.2. Both are backed by a comparable volume of ratings — 50 and 43 respectively. Written reviews point the same way: 50% of Astro Kit's written reviews are positive against 40% of Compass 54 Pro's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on June 1, 2026 and July 18, 2026 respectively.

## The numbers

| Metric | Astro Kit | Compass 54 Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (50 ratings)](https://appshunter.io/ios/app/astro-kit/id432175465/reviews)** | [3.2 (43 ratings)](https://appshunter.io/ios/app/compass-54-pro/id458958949/reviews) |
| Number of ratings | **50** | 43 |
| Positive reviews | **50.0% of reviews** | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 73 MB |
| Requires iOS | 17.6 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jerome Diaz](https://appshunter.io/developer/334987620) | [Elen Bekzadyan](https://appshunter.io/developer/1201385451) |

## What reviewers say

### Astro Kit

[App page](https://appshunter.io/ios/app/astro-kit/id432175465)

This utility app assists in telescope setup by providing essential information like GPS coordinates and universal time. It also includes a compass and calculates the local hour angle for Polaris. Designed for amateur astronomers, it simplifies the alignment process.

**Highlights:** GPS coordinates, Compass functionality, Universal time display, Polaris local hour angle computation, Telescope alignment assistance

**Features:** macOS Compatibility

**In-app purchases:** none


### Compass 54 Pro

[App page](https://appshunter.io/ios/app/compass-54-pro/id458958949)

This app provides a real compass, location data, weather updates, date and time, and map functionality. It displays real-time orientation to magnetic fields and offers various coordinate systems and unit conversions.

**Highlights:** Real compass with magnetic field orientation, Location coordinates, course, speed, and altitude, Current weather temperature, humidity, and pressure, Date, time, and GMT time display, Standard, satellite, and hybrid map views, Multiple GPS coordinate systems (UTM, MGRS, etc.)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads. | $2.99 | one-time |

**What reviewers like**

- 👍 Accurate compass readings
- 👍 Precise coordinates shown
- 👍 Simple and easy to use
- 👍 Good for orienteering
- 👍 Works without Wi-Fi/3G

**What reviewers complain about**

- 😠 Insanely annoying ads
- 😠 Ads capture the phone
- 😠 Paid version still has ads
- 😠 App crashes frequently
- 😠 Weather section not working

**Reported bugs**

- Weather section shows 'No Internet Connection' despite being online
- App crashes when enabling camera flash
- Homes.com ad locks display on newer devices
- Camera tab doesn't properly switch settings
- Compass dial jumps or jitters

**Requested features**

- More updates and features
- More child-friendly themes
- Show elevation
- More detailed weather (5-day forecast, hourly temps)
- Switch between Celsius and Fahrenheit


## Frequently asked questions

### Is Astro Kit free?

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

### Is Compass 54 Pro free?

Compass 54 Pro is free to download, with in-app purchases available.

### Which has better reviews, Astro Kit or Compass 54 Pro?

Astro Kit is rated higher. Astro Kit averages 4.6 out of 5 from 50 ratings, while Compass 54 Pro averages 3.2 from 43 ratings.

### Do Astro Kit or Compass 54 Pro have ads?

Neither Astro Kit nor Compass 54 Pro shows ads.

### Which is updated more often, Astro Kit or Compass 54 Pro?

Astro Kit ships an update every 3 months, and Compass 54 Pro every 3 months. Most recently, Astro Kit was updated on June 1, 2026 and Compass 54 Pro on July 18, 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.*