ASGuide vs Hubble
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Hubble
Explore the universe in high definition with stunning images from the Hubble Space Telescope. Discover galaxies, nebulae, and star clusters with detailed descriptions and an immersive slideshow experience. Stay updated with the latest cosmic discoveries.
- High-resolution cosmic image gallery
- Immersive slideshow mode
- Searchable database of celestial objects
- Detailed scientific descriptions
- Real-time updates for 'Picture of the Week'
- Links to NASA/ESA archives
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Embark on a breathtaking journey across the universe with Hubble. Experience the awe-inspiring beauty of deep space through the lens of the world’s most famous space telescope. From distant galaxies to colorful nebulae, the Hubble Cosmic Gallery brings the majesty of the cosmos directly to your fingertips in stunning high resolution. Fresh from Hubble: Stay updated with the "Picture of the Week." Our real-time ESA/Hubble RSS integration ensures you never miss a new cosmic discovery. Immense HD Library: Browse a curated collection of the most iconic Hubble images. Explore star clusters, supernova remnants, and the farthest reaches of the observable universe. Immersive Slideshow: Turn your device into a window to the stars. Enjoy a seamless, auto-playing slideshow experience with ambient transitions and deep-space vibes. Search & Discover: Looking for a specific nebula or galaxy? Use our lightning-fast search to find exactly what you're looking for among hundreds of high-res entries. Premium UI/UX: Designed with SwiftUI, featuring elegant glassmorphism effects, parallax carousels, and tactical haptic feedback for a truly premium feel. Learn as You Explore: Every image comes with detailed scientific descriptions and direct links to official NASA/ESA archives for those who want to dive deeper into the science. Whether you’re a space enthusiast, a student of astronomy, or simply someone who appreciates the beauty of our universe, Hubble provides a specialized, clutter-free experience for celestial exploration. Download Hubble today and witness the grandeur of the stars like never before.
Screenshots
Verdict
The clearest difference is review sentiment: ASGuide at 100% against Hubble's 0%. ASGuide also leads on rating (4.8 vs 4.3) and ads (none vs shown). Hubble's advantage is update cadence (every 6 weeks vs every 4 months). On price, ratings volume, in-app purchases and device support 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 4.3. Both are backed by a comparable volume of ratings — 9 and 7 respectively. Written reviews point the same way: 100% of ASGuide's written reviews are positive against 0% of Hubble's.
ASGuide ships an update every 4 months, Hubble every 6 weeks. The most recent releases landed on September 1, 2026 and September 11, 2026 respectively.
| Parameter | ASGuide | Hubble |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (9 ratings) — better | 4.3 (7 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 9 — better | 7 |
| Update frequency | Every 4 months | Every 6 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 1.7 GB |
| Age rating | 4+ | 9+ |
| Developer | Philip Perez | Alparslan Topbas |
Customer experience
ASGuide
Hubble
In-app purchases
ASGuide
No in-app purchases
Hubble
No in-app purchases
