ShowSky vs ASGuide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ShowSky
Explore the night sky with this astronomy app. It provides detailed views of stars, constellations, and deep space objects, helping you understand their positions and identify them in real-time by pointing your device.
- 180-degree sky map with flat horizon
- 360-degree visible sky map
- Real-time sky tracking view
- Detailed views of stars, constellations, and deep space objects
- Planet identification
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ShowSky is an astronomy app for everyone. It is designed to let you easily understand and learn the sky in front of you. It gives you a complete view including stars, constellations and deep space objets including photos. The 180 deg map shows you the whole sky in front of you with a flat horizon just as you see it. The 360 deg map shows you the whole visible sky at this moment and the "track" view allows you to point your device towards the sky and see in details what is there. Just turn around to see all currently visible constellation and objects. ShowSky's maps shows you not one or a small number of constellations, but the whole sky allowing you to understand their relative positions in the sky. Planet are also included.
ASGuide
Explore the night sky with this astronomy companion. Discover planets, galaxies, nebulae, and more visible from your location. Generate custom viewing lists and preview celestial objects with an interactive sky atlas.
- Discover celestial objects visible from your location
- Generate custom viewing lists
- View detailed observation information
- Interactive sky atlas preview
- Dark mode for nighttime viewing
- Sunrise/sunset and moon phase dashboard
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Discover the wonders visible in your sky tonight. ASGuide (Astronomy Sky Guide) turns your location and observing time into a personal guide to the night sky. Discover visible planets, galaxies, nebulae, stars, star clusters, and galactic regions. Plan an observation, explore from home, or find your next celestial target. Find objects worth viewing and learn more about every discovery: - See what is visible from your location and when to observe it. View rise, transit, and set times. - Filter by magnitude, altitude above the horizon, constellation, object type, and more. - Search by common name, catalog number, constellation, object type, or detailed classification. - Browse the solar system and deep-sky categories. - Return quickly to recent searches and recently viewed objects. - See which planets are visible. - Save favorite objects for future viewing. - Use your current location or select any location on Earth. - Check sunrise, sunset, twilight, and night times. - Follow the current moon phase, illumination, moonrise, moonset, and the next new and full moons. - Open high-resolution imagery and explore objects with the interactive sky atlas. Customize the Home screen with the information that matters to you. Use the dark appearance for nighttime observations, or the standard iOS appearance. Your next night-sky discovery starts with ASGuide.
Screenshots
Verdict
The clearest difference is rating: ASGuide at 4.8 against ShowSky's 3.8. ASGuide also leads on update cadence (every 4 months vs every 48 months). ShowSky's advantage is device support (3 vs 1) and iOS requirement (9.2 vs 18.0). On price, review sentiment, ratings volume and ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ASGuide holds the better App Store score, 4.8 against 3.8. Both are backed by a comparable volume of ratings — 5 and 9 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
ShowSky ships an update every 48 months, ASGuide every 4 months. Both last shipped on October 1, 2026.
| Parameter | ShowSky | ASGuide |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (5 ratings) | 4.8 (9 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 5 | 9 — better |
| Update frequency | Every 48 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 9.2 — better | 18.0 |
| Further details — not scored | ||
| Size | 80 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Steven Suckow | Philip Perez |
Customer experience
ShowSky
ASGuide
In-app purchases
ShowSky
No in-app purchases
ASGuide
No in-app purchases
