Fast vs Astraea
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Fast
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Master Fula effortlessly with Fast - Learn Fula Language. Our app offers audio lessons and user-friendly design. Start speaking Fula confidently today! Key Features: โข Audio Lessons: Improve your pronunciation with clear guidance. โข Flexible Access: Learn anytime, anywhere, at your own pace. โข User-Friendly Interface: A simple and intuitive design that makes learning easy. โข 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
Astraea
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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
Verdict
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
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.
Fast ships an update every 5 months, Astraea fortnightly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.
| Parameter | Fast | Astraea |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | Fortnightly โ better |
| Ads | Yes | No โ better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPad |
| Requires iOS | 15.0 โ better | 18.0 |
| Further details โ not scored | ||
| Size | 24 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | Atech Consultancy Ltd | Jose Carlos Villarreal |
In-app purchases
Fast
- Weekly Access$4.997 Days
- Yearly Access$29.991 Year
- Lifetime Access$39.99
Astraea
- Astraea Premium Monthly7 Days trial$3.991 Month
- Astraea Premium Annual$39.991 Year









