Comparison

Fast vs Astraea

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

Head to head
About

Fast

Features
Read full description

Master Fula effortlessly with Fast - Learn Fula Language. Our app offers audio lessons and user-friendly design. Start speaking Fula confidently today! Key Features: โ€ข Audio Lessons: Improve your pronunciation with clear guidance. โ€ข Flexible Access: Learn anytime, anywhere, at your own pace. โ€ข User-Friendly Interface: A simple and intuitive design that makes learning easy. โ€ข Search: Quickly discover your favorite lessons with just a few taps on search bar. Begin your Fula journey now! Download Fast - Learn Fula Language and embrace fluency Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.myapp.page/privacy-policy

About

Astraea

Features
Read full description

Learn astronomy by exploring. Observe the stars, test your intuition and discover what explains what you see. Astraea connects astronomy, history and mythology through interactive lessons, maps and challenges that help you understand the universe. No previous knowledge needed. Observe, think and discover Explore constellation maps, make a prediction and reveal its explanation. Each activity invites you to connect ideas and understand them. A contextual glossary helps with the words you encounter. History, mythology and the science of the sky Discover stars, planets and galaxies, and learn how people have observed, named and studied the sky. Explore myths, stories and traditions from different cultures. Scientific explanations and traditions are presented in their own context. Four new regions explore the solar system's past, space travel, cosmic images and the skies of Japan. Keep your discoveries Unlock 19 collectibles connected to what you learn. Explore their details, find out what each piece represents and choose a favorite for your profile. Customize your rocket and follow your journey with streaks and achievements. A question for every day Open the journal, discover an idea and try the daily quiz. Widgets bring part of the sky to your Home Screen. Return to the Atlas to explore its maps. Return to what you want to understand The Observatory brings together review and learning tools. One review session is available free each day. Premium expands access and adds tools to track and revisit your learning; see the available benefits in the app. Available in English and Spanish. The app contains ads and optional subscriptions. Prices, billing periods and the terms of any eligible offer are shown before purchase. Manage your subscription through the relevant store. Privacy Policy: https://astraea-app.com/privacy-en Terms and Conditions: https://astraea-app.com/terms-en Title: Astraea Premium Monthly. Duration: 1 month. Price: 3.99 USD. Title: Astraea Premium Annual. Duration: 1 year. Price: 39.99 USD.

Screenshots

Fast3 screens
Astraea4 screens

Verdict

The call

The clearest difference is ads: Astraea at none against Fast's shown. Astraea also leads on update cadence (fortnightly vs every 5 months). Fast's advantage is iOS requirement (15.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Fast sells 3 in-app purchases, starting at $4.99 per 7 days and Astraea sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Fast ships an update every 5 months, Astraea fortnightly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

Scorecard3 real differences ยท 3 level
Fast versus Astraea: the parameters behind the verdict, then further details
ParameterFastAstraea
PriceFreeFree
Update frequencyEvery 5 monthsFortnightly โ€” better
AdsYesNo โ€” better
In-app purchasesYesYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.0 โ€” better18.0
Further details โ€” not scored
Size24 MB73 MB
Age rating4+4+
DeveloperAtech Consultancy LtdJose Carlos Villarreal

In-app purchases

3 purchases

Fast

Subscriptions2
  • Weekly Access$4.997 Days
  • Yearly Access$29.991 Year
One-time1
  • Lifetime Access$39.99
2 purchases

Astraea

Subscriptions2
  • Astraea Premium Monthly7 Days trial$3.991 Month
  • Astraea Premium Annual$39.991 Year

Questions

Is Fast free?
Fast is free to download, with in-app purchases available.
Is Astraea free?
Astraea is free to download, with in-app purchases available.
Do Fast or Astraea have ads?
Fast shows ads; Astraea does not.
Which is updated more often, Fast or Astraea?
Fast ships an update every 5 months, and Astraea fortnightly. Most recently, Fast was updated on November 8, 2026 and Astraea on October 31, 2026.

Other comparisons