What's Up? vs ASGuide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
What's Up?
Discover celestial bodies visible in the night sky with this intuitive app. Easily track planets, the Sun, and Moon, and forecast their appearance. Access detailed information and moon phases, with support for the Southern Hemisphere.
- Simple sky grid display
- Effortless navigation
- Time-bar functionality
- Comprehensive celestial information
- Observation insights
- Moon phases
- Wikipedia links
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Whether you're deciding if it's worth setting up your telescope or simply curious about that bright 'star,' What's Up? is the perfect companion for sky enthusiasts. Key Features: • Simple Sky Grid Display: View the positions of the Sun, Moon, and planets on an intuitive grid representing the night sky. • Effortless Navigation: No augmented reality or motion tracking needed—just a straightforward display to see what's up. • Time-Bar Functionality: Slide the time-bar to forecast the appearance of your favorite planets and their directions. • Comprehensive Information: Displays the location of the Sun, Moon, planets, and even Pluto. • Observation Insights: Instantly identify which celestial objects are prime for observation. • Moon Phases: Stay updated with the current moon phase. • Wikipedia Links: Dive deeper with quick access to Wikipedia pages for detailed information. • Southern Hemisphere Support: Sky-watchers down south are covered too. • Minimal Network Usage: Only needed for Wikipedia access. • Note: Localizations are limited to planet names. For a full 3D rendered experience with motion tracking, check out our award-winning companion app, Pocket Universe. If you already own Pocket Universe, you'll find What's Up? familiar yet even more user-friendly, with a sleeker design and quicker access to the "Currently Visible" mode, and basic Apple Watch support.
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 review sentiment: ASGuide at 100% against What's Up?'s 58%. ASGuide also leads on rating (4.8 vs 4.6). What's Up?'s advantage is device support (4 vs 1) and iOS requirement (12.5 vs 18.0). On price, ratings volume, update cadence 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 4.6. Both are backed by a comparable volume of ratings — 8 and 9 respectively. Written reviews point the same way: 58% of What's Up?'s written reviews are positive against 100% of ASGuide's.
What's Up? ships an update every 3 months, ASGuide every 4 months. The most recent releases landed on September 5, 2026 and September 14, 2026 respectively.
| Parameter | What's Up? | ASGuide |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (8 ratings) | 4.8 (9 ratings) — better |
| Positive reviews | 57.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 8 | 9 — better |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone |
| Requires iOS | 12.5 — better | 18.0 |
| Further details — not scored | ||
| Size | 49 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | John Kennedy | Philip Perez |
Customer experience
What's Up?
ASGuide
In-app purchases
What's Up?
No in-app purchases
ASGuide
No in-app purchases









