Comparison

What's Up? vs ASGuide

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

Head to head
About

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.

Highlights
  • Simple sky grid display
  • Effortless navigation
  • Time-bar functionality
  • Comprehensive celestial information
  • Observation insights
  • Moon phases
  • Wikipedia links
Features
Read full description

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.

About

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.

Highlights
  • 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
Features
Read full description

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

What's Up?3 screens
ASGuide4 screens

Verdict

The call

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

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

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
What's Up? versus ASGuide: the parameters behind the verdict, then further details
ParameterWhat's Up?ASGuide
PriceFreeFree
Rating4.6 (8 ratings)4.8 (9 ratings) — better
Positive reviews57.9% of reviews100.0% of reviews — better
Number of ratings89 — better
Update frequencyEvery 3 months — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone
Requires iOS12.5 — better18.0
Further details — not scored
Size49 MB33 MB
Age rating4+4+
DeveloperJohn KennedyPhilip Perez

Customer experience

What's Up?

All ratings8 ratings
Positive87.5%
Neutral0.0%
Negative12.5%
Written reviews19 reviews
Positive57.9%
Neutral21.1%
Negative21.1%

ASGuide

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

What's Up?

No in-app purchases

None

ASGuide

No in-app purchases

Questions

Is What's Up? free?
What's Up? is free to download, with no in-app purchases.
Is ASGuide free?
ASGuide is free to download, with no in-app purchases.
Which has better reviews, What's Up? or ASGuide?
ASGuide is rated higher. What's Up? averages 4.6 out of 5 from 8 ratings, while ASGuide averages 4.8 from 9 ratings.
Do What's Up? or ASGuide have ads?
Neither What's Up? nor ASGuide shows ads.
Which is updated more often, What's Up? or ASGuide?
What's Up? ships an update every 3 months, and ASGuide every 4 months. Most recently, What's Up? was updated on September 5, 2026 and ASGuide on September 14, 2026.

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