Comparison

Guess What vs SkyLaunch

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

Head to head
About

Guess What

Test your knowledge of the cosmos daily with a new space image from NASA's Astronomy Picture of the Day. Choose the correct answer from four options and learn fascinating facts about celestial objects. This app makes learning about space fun and accessible for everyone.

Highlights
  • Daily space image quiz
  • Powered by NASA APOD
  • Multiple choice questions
  • Learn space facts
  • Suitable for all ages
Features
Read full description

Think you know space? Let’s find out. With Guess What – APOD Edition, every day is a new chance to explore the cosmos. Daily Space Quiz Powered by NASA’s Astronomy Picture of the Day (APOD), you’ll see a new space image every day — and guess what it is! Test Your Knowledge Choose the correct answer from 4 options. Learn fun facts about stars, galaxies, nebula, and more. Accurate, Real-Time Content All images and descriptions are sourced directly from NASA’s official APOD feed — no fluff, just space. Great for All Ages Whether you’re a student, space enthusiast, or just love daily trivia, this app makes learning fun and simple.

About

SkyLaunch

Stay informed about all upcoming space missions with real-time notifications and detailed information. Track launches from various providers worldwide, view mission specifics, and access live streams. Share your excitement with friends and customize your viewing experience.

Highlights
  • Real-time push notifications for launches
  • Monthly dashboard overview of missions
  • Filter launches by global region
  • Detailed mission pages with purpose and weather
  • Direct links to live launch streams
  • Launch probability and weather impact
  • Share launch events with others
Read full description

Never miss a rocket launch again. SkyLaunch keeps you up to date with upcoming space missions by sending you real-time notifications before liftoff. Whether it’s NASA, SpaceX, Rocket Lab, or other providers around the globe, you’ll always know when the next countdown begins. Key Features: Push Notifications – Get alerts before every scheduled launch. Dashboard Overview – See a monthly summary of upcoming missions. Launch List by Region – Filter launches by location worldwide. Detailed Launch Pages – Access mission purpose, launch provider, weather forecasts, and more. Live Streams – Watch launches with direct links to official feeds. Probability Scale – View launch readiness and weather impact. Share Launches – Spread the excitement with friends and social networks. Custom Settings – Toggle light/dark mode, switch between metric/imperial units, and view data source status.

Screenshots

Guess What4 screens
SkyLaunch4 screens

Verdict

The call

The clearest difference is iOS requirement: Guess What at 16.6 against SkyLaunch's 18.0. On price, rating, review sentiment and ratings volume 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

On the App Store both sit at effectively the same score — 5.0 for Guess What against 4.9 for SkyLaunch. Both are backed by a comparable volume of ratings — 3 and 7 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Guess What ships an update fortnightly, SkyLaunch every 2 weeks. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 9 level
Guess What versus SkyLaunch: the parameters behind the verdict, then further details
ParameterGuess WhatSkyLaunch
PriceFreeFree
Rating5.0 (3 ratings) — better4.9 (7 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings37 — better
Update frequencyFortnightly — betterEvery 2 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad — betteriPhone
Requires iOS16.6 — better18.0
Further details — not scored
Size6 MB4 MB
Age rating4+4+
DeveloperLoony Devs, LLCCalvin Fraites

Customer experience

Guess What

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

SkyLaunch

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Guess What

No in-app purchases

None

SkyLaunch

No in-app purchases

Questions

Is Guess What free?
Guess What is free to download, with no in-app purchases.
Is SkyLaunch free?
SkyLaunch is free to download, with no in-app purchases.
Which has better reviews, Guess What or SkyLaunch?
Guess What is rated higher. Guess What averages 5.0 out of 5 from 3 ratings, while SkyLaunch averages 4.9 from 7 ratings.
Do Guess What or SkyLaunch have ads?
Neither Guess What nor SkyLaunch shows ads.
Which is updated more often, Guess What or SkyLaunch?
Guess What ships an update fortnightly, and SkyLaunch every 2 weeks. Most recently, Guess What was updated on October 8, 2026 and SkyLaunch on October 24, 2026.

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