Comparison

Astrolabe Clock vs Chasing

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Astrolabe Clock

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
Read full description

Astrolabe Clock is an astronomical clock inspired by the astrolabe, an ancient astronomical instrument used to tell time and to predict the location of the Sun, stars and planets. This modern interpretation gives a view of the sky showing at a glance the time of day, day of year, and the location in the sky of the Sun, Moon, planets and stars. Astrolabe Clock also gives the time of sunrise and sunset, the phase of the Moon, transit times for the Sun, Moon, planets and stars, and can be used to show the occurrence of solar and lunar eclipses.

About

Chasing

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
Read full description

Chasing is a sunset collecting app that measures and identifies sunsets based on their energy, rarity and aura. Energy measures the color, the clouds & the light spread in the sky. Rarity measures how unique your sunset’s scene and setting are. Aura captures the defining elements of your sunset’s scene, from palm trees to reflections to city skylines. HOW IT WORKS 1 Download the app 2 Take a picture or upload from your camera roll 3 Instantly measure & identify energy, rarity, and aura type 4 Log & save every detail 5 Unlock new aura types as you collect more sunsets If you have any questions, ideas, or feedback, reach out anytime at team@chasing.app NOTE: Always respect private property and local regulations when taking photos. Enjoy sunsets responsibly. Upgrade to Chasing Pro for unlimited sunset IDs, access to your complete Aura Collection, and special collectible badges. Payment will be charged to your iTunes Account at confirmation of purchase. TERMS: https://www.notion.so/chasingapp/Terms-chasing-2725937f922a80d6b7eeff8eb345f636 PRIVACY POLICY: https://www.notion.so/chasingapp/Privacy-Policy-chasing-2725937f922a80bb8064f1b5d7453330

Screenshots

Astrolabe Clock4 screens
Chasing4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
Astrolabe Clock versus Chasing: the parameters behind the verdict, then further details
ParameterAstrolabe ClockChasing
PriceFreeFree
Rating4.7 (48 ratings)5.0 (2 ratings) — better
Positive reviews90.9% of reviews100.0% of reviews — better
Number of ratings48 — better2
Update frequencyEvery 4 weeksEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size3 MB43 MB
Age rating4+4+
DeveloperMichael SmithDwight Torculas

Customer experience

Astrolabe Clock

All ratings45 ratings
Positive91.1%
Neutral2.2%
Negative6.7%
Written reviews55 reviews
Positive90.9%
Neutral3.6%
Negative5.5%

Chasing

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Astrolabe Clock

No in-app purchases

2 purchases

Chasing

Subscriptions2
  • Weekly Access$2.597 Days
  • Yearly Plan3 Days trial$29.991 Year

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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