Comparison

HKAStro vs Star Hoppers

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

Head to head
About

HKAStro

This educational app delivers local astronomical news, event updates, and weather forecasts. It includes helpful tools like a polar scope and moon phase tracker for stargazing enthusiasts.

Highlights
  • Local astronomical news
  • Event information
  • Weather forecasts
  • Polar Scope tool
  • Moon Phase tracker
  • Flashlight feature
Features
Read full description

This mobile app is provided by the Hong Kong Astronomical Society, aims to provide users with the latest local astronomical news, activities, weather forecast information, and provides useful features such as Polar Scope, Moon Phase, Flashlight, etc.

About

Star Hoppers

Explore the cosmos with interactive star charts, blending ancient Chinese and Western astronomy. Discover constellations through engaging audio stories and augmented reality.

Highlights
  • Interactive digital star chart
  • Ancient Chinese and Western star charts
  • Augmented Reality (AR) mode
  • Bilingual audio recordings of constellation stories
  • Astronomical event calendar
  • Stargazing basics
Features
Read full description

Star Hoppers won the “Smart Mobility (Smart Tourism) Certificate of Merit” in the “Hong Kong ICT Awards 2019”. Star Hoppers integrates the Chinese and Western star charts with information of astronomical events and related activities while telling the stories of constellations to you with its audio recordings. With its digital star chart, you will find that people from the ancient Chinese and Western cultures created different constellation and asterism system due to their different associations with the stars. The star chart has three different operation modes: the Virtual Reality (VR) mode simulates the star field according to the location and orientation data obtained from the device to help you identify celestial objects and constellations; the Augmented Reality (AR) mode marks the celestial objects, constellations and asterisms on your camera image in real-time by employing the augmented reality technology; the Manual (M) mode allows you to navigate the star chart at will. Tapping on any constellations, planets, the Sun, Moon or Three Enclosures and Twenty-eight Mansions, you can listen to the recorded stories of the constellations or celestial objects. Star Hoppers also introduces the basics of stargazing to promote the proper manner of stargazing as well as to help the novice to identify the constellations. You may also select the Calendar function to receive the latest information of various astronomical events and activities provided by the Hong Kong Space Museum. You may use the Share function with third party apps to invite your friends to join the activities and share the fun of stargazing with you! Features of the app: * Help users to learn and identify celestial objects and constellations with the realtime generated digital star chart at any locations in the world. * Display unique ancient Chinese star chart with the complete ancient Chinese asterism system including the Three Enclosures, twenty-eight lunar mansions and more. * Playback more than 200 bilingual audio recordings of basic information of celestial objects and asterisms in the Western and ancient Chinese cultures. * Employ augmented reality technology to label celestial objects and constellations on your screen instantaneously when you point the camera of your mobile device to the sky. * Provide the latest news on the coming Hong Kong Space Museum events such as astronomical films, lectures, stargazing activities etc. * Share astronomical events and activities information to your friends easily and invite them to join with you.

Screenshots

HKAStro4 screens
Star Hoppers4 screens

Verdict

The call

The clearest difference is rating: HKAStro at 5.0 against Star Hoppers's 4.5. HKAStro also leads on review sentiment (100% vs 79%) and update cadence (every 10 months vs every 25 months). On price, ratings volume, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

HKAStro holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 100% of HKAStro's written reviews are positive against 79% of Star Hoppers's.

UpkeepUpdate frequency

HKAStro ships an update every 10 months, Star Hoppers every 25 months. The most recent releases landed on November 1, 2026 and November 11, 2026 respectively.

Scorecard4 real differences · 6 level
HKAStro versus Star Hoppers: the parameters behind the verdict, then further details
ParameterHKAStroStar Hoppers
PriceFreeFree
Rating5.0 (2 ratings) — better4.5 (4 ratings)
Positive reviews100.0% of reviews — better78.6% of reviews
Number of ratings24 — better
Update frequencyEvery 10 months — betterEvery 25 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size120 MB59 MB
Age rating4+4+
DeveloperHong Kong Astronomical SocietyHKSPM

Customer experience

HKAStro

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

Star Hoppers

All ratings4 ratings
Positive75.0%
Neutral25.0%
Negative0.0%
Written reviews42 reviews
Positive78.6%
Neutral16.7%
Negative4.8%

In-app purchases

None

HKAStro

No in-app purchases

None

Star Hoppers

No in-app purchases

Questions

Is HKAStro free?
HKAStro is free to download, with no in-app purchases.
Is Star Hoppers free?
Star Hoppers is free to download, with no in-app purchases.
Which has better reviews, HKAStro or Star Hoppers?
HKAStro is rated higher. HKAStro averages 5.0 out of 5 from 2 ratings, while Star Hoppers averages 4.5 from 4 ratings.
Do HKAStro or Star Hoppers have ads?
Neither HKAStro nor Star Hoppers shows ads.
Which is updated more often, HKAStro or Star Hoppers?
HKAStro ships an update every 10 months, and Star Hoppers every 25 months. Most recently, HKAStro was updated on November 1, 2026 and Star Hoppers on November 11, 2026.

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