Astra AI: Study & Exam Prep vs Vaia: AI Flashcards. Study App
Astra AI: Study & Exam Prep
Astra AI d.o.o.
App Store
$6.1K/mo
~$73.2K/yr · 158K installs
VS
Vaia: AI Flashcards. Study App
StudySmarter GmbH
App Store
$0/mo
~$0/yr · 120K installs
Revenue winner
Astra AI: Study & Exam Prep wins
+609800% vs other
Installs winner
Astra AI: Study & Exam Prep wins
+32% vs other
MAU winner
Astra AI: Study & Exam Prep wins
+33% vs other
Rating winner
Astra AI: Study & Exam Prep wins
+2% vs other
Why Astra AI: Study & Exam Prep is winning
Top 3 reasons - backed by the public App Store / Play Store numbers.
- Astra AI: Study & Exam Prep earns roughly 6098× more per month than Vaia: AI Flashcards. Study App - $6.1K vs $0.
- Subscription model. Astra AI: Study & Exam Prep runs a $24.00/mo subscription that compounds; Vaia: AI Flashcards. Study App relies on one-shot IAP or ads.
- More monetization surfaces. Astra AI: Study & Exam Prep runs 6 IAP tiers vs 0 - more chances to convert users at the right price.
→ Find more apps with this revenue gap · Full Astra AI: Study & Exam Prep report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
Astra AI: Study & Exam Prep
vs
Vaia: AI Flashcards. Study App
Monthly revenue (est.)?
$6.1K
◀
$0
Annual revenue (est.)
$73.2K
◀
$0
Lifetime installs (est.)
158K
◀
120K
Monthly active users (est.)?
19K
◀
14K
App Store rating
4.82★
◀
4.71★
Total ratings
2K
◀
1K
US grossing rank
-
=
-
Cheapest monthly sub
$24.00
◀
No sub
IAP tiers detected
6 tiers
◀
0 tiers
- Category
- Education
- Price
- Free
- Released
- Aug 29, 2025
- Last updated
- May 8, 2026
- File size
- 16.6 MB
- Content rating
- 9+
- Version
- 4.0
- Languages
- English
- Category
- Education
- Price
- Free
- Released
- Dec 1, 2018
- Last updated
- May 8, 2026
- File size
- 200.9 MB
- Content rating
- 4+
- Version
- 16.8.0
- Languages
- English, French, German, Spanish
Astra AI: Study & Exam Prep trajectory
Vaia: AI Flashcards. Study App trajectory
FAQ
Which makes more money, Astra AI: Study & Exam Prep or Vaia: AI Flashcards. Study App? v
Astra AI: Study & Exam Prep earns about $6.1K per month, while Vaia: AI Flashcards. Study App earns about $0. That is a ∞× revenue gap (~$6.1K more per month for Astra AI: Study & Exam Prep). Annual revenue: Astra AI: Study & Exam Prep ≈ $73.2K/year, Vaia: AI Flashcards. Study App ≈ $0/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Astra AI: Study & Exam Prep or Vaia: AI Flashcards. Study App? v
Astra AI: Study & Exam Prep leads with about 158K estimated downloads vs 120K for Vaia: AI Flashcards. Study App - a 1.3× gap. Astra AI: Study & Exam Prep's App Store downloads are estimated from 2K ratings × the standard 1:75 ratio. Vaia: AI Flashcards. Study App's App Store downloads are estimated from 1K ratings.
Are Astra AI: Study & Exam Prep and Vaia: AI Flashcards. Study App in the same App Store category and competing for the same money? v
Yes - both apps sit in the Education category, which means they compete directly for the same paying users and category-level wallet share. Direct competitors, head-to-head.
What in-app purchases and subscription pricing do Astra AI: Study & Exam Prep and Vaia: AI Flashcards. Study App offer? v
Astra AI: Study & Exam Prep: IAP range 6 tiers detected. Vaia: AI Flashcards. Study App: no IAP detected on the public listing. Astra AI: Study & Exam Prep runs a "Subscription (~$10.00/mo)" monetization model; Vaia: AI Flashcards. Study App runs "No App Store revenue (monetizes off-store)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Astra AI: Study & Exam Prep or Vaia: AI Flashcards. Study App? v
Astra AI: Study & Exam Prep edges ahead with ★ 4.8 vs ★ 4.7 (gap of 0.1 stars). Rating volume: Astra AI: Study & Exam Prep 2K ratings, Vaia: AI Flashcards. Study App 1K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Astra AI: Study & Exam Prep vs Vaia: AI Flashcards. Study App revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $6.1K for Astra AI: Study & Exam Prep and $0 for Vaia: AI Flashcards. Study App are derived from App Store grossing rank, scraped IAP tiers, ratings volume and category benchmarks (Education) - net of the 15-30% Apple/Google store cut. Real revenue depends on country mix, retention, refunds and ad fill rate, none of which Apple or Google publish.
How do I compare Astra AI: Study & Exam Prep or Vaia: AI Flashcards. Study App to a different App Store app? v
Use the search box at the bottom of this page or paste any two App Store links into the homepage tool. We auto-generate a permanent comparison URL with revenue, downloads, IAP tiers, subscription pricing and grossing rank for both apps.