# Astrolabe Clock vs Chasing

The clearest difference is in-app purchases: Astrolabe Clock at none against Chasing's 2. Astrolabe Clock also leads on ratings volume (48 vs 2). Chasing's advantage is rating (5.0 vs 4.7) and update cadence (every 10 days vs every 4 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Chasing sells 2 in-app purchases, starting at $2.59 per 7 days. Astrolabe Clock asks for nothing beyond the download.

Chasing holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Astrolabe Clock has 48 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 91% of Astrolabe Clock's written reviews are positive against 100% of Chasing's.

Astrolabe Clock ships an update every 4 weeks, Chasing every 10 days. The most recent releases landed on September 15, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Astrolabe Clock | Chasing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (48 ratings)](https://appshunter.io/ios/app/astrolabe-clock/id421777015/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chasing-sunset-identifier/id6752662446/reviews)** |
| Number of ratings | **48** | 2 |
| Positive reviews | 90.9% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 10 days** |
| Monetization | **Free** | Freemium |
| Size | 3 MB | 43 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Smith](https://appshunter.io/developer/415384088) | [Dwight Torculas](https://appshunter.io/developer/1808805449) |

## What reviewers say

### Astrolabe Clock

[App page](https://appshunter.io/ios/app/astrolabe-clock/id421777015)

This app offers a modern interpretation of an ancient astronomical instrument, providing a real-time view of the sky. It displays the time of day, day of the year, and the positions of celestial bodies like the Sun, Moon, planets, and stars. Users can also track sunrise/sunset times, moon phases, and celestial transits.

**Highlights:** Real-time sky view, Time of day and day of year display, Sun, Moon, planet, and star locations, Sunrise and sunset times, Moon phase tracking, Celestial transit times, Eclipse occurrence indicator

**Features:** macOS Compatibility

**In-app purchases:** none


### Chasing

[App page](https://appshunter.io/ios/app/chasing-sunset-identifier/id6752662446)

This app allows users to measure and identify sunsets based on their energy, rarity, and aura. Users can capture or upload photos, receive instant analysis, and log their collected sunsets. Unlock new aura types as you build your collection.

**Highlights:** Measure sunset energy, Identify sunset rarity, Capture sunset aura, Log and save sunset details, Unlock new aura types, Upgrade to Pro for unlimited IDs

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $2.59 | per 7 days |
| Yearly Plan | $29.99 | per year |


## Frequently asked questions

### Is Astrolabe Clock free?

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

### Is Chasing free?

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

### Which has better reviews, Astrolabe Clock or Chasing?

Chasing is rated higher. Astrolabe Clock averages 4.7 out of 5 from 48 ratings, while Chasing averages 5.0 from 2 ratings.

### Do Astrolabe Clock or Chasing have ads?

Neither Astrolabe Clock nor Chasing shows ads.

### Which is updated more often, Astrolabe Clock or Chasing?

Astrolabe Clock ships an update every 4 weeks, and Chasing every 10 days. Most recently, Astrolabe Clock was updated on September 15, 2026 and Chasing on September 14, 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.*