Retain Cards: AI Flashcards vs Vaia: Study, Notes, Flashcards
Retain Cards: AI Flashcards
Retain Labs GmbH
App Store
$217/mo
~$2.6K/yr · 10K installs
VS
Vaia: Study, Notes, Flashcards
Vaia
Google Play
$115.8K/mo
~$1.39M/yr · 10.2M installs
Revenue winner
Vaia: Study, Notes, Flashcards wins
+53277% vs other
Installs winner
Vaia: Study, Notes, Flashcards wins
+105120% vs other
MAU winner
Vaia: Study, Notes, Flashcards wins
+31647% vs other
Rating winner
Retain Cards: AI Flashcards wins
+3% vs other
Why Vaia: Study, Notes, Flashcards is winning
Top 3 reasons - backed by the public App Store / Play Store numbers.
- Vaia: Study, Notes, Flashcards earns roughly 534× more per month than Retain Cards: AI Flashcards - $115.8K vs $217.
- Premium pricing. Vaia: Study, Notes, Flashcards charges $24.43/mo vs Retain Cards: AI Flashcards's $12.99/mo - higher ARPU per converted user.
- Bigger install base. Vaia: Study, Notes, Flashcards has ~10.2M lifetime installs vs Retain Cards: AI Flashcards's ~10K - 1052.2× the funnel top.
→ Find more apps with this revenue gap · Full Vaia: Study, Notes, Flashcards report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
Retain Cards: AI Flashcards
vs
Vaia: Study, Notes, Flashcards
Monthly revenue (est.)?
$217
▶
$115.8K
Annual revenue (est.)
$2.6K
▶
$1.39M
Lifetime installs (est.)
10K
▶
10.2M
Monthly active users (est.)?
1K
▶
355K
App Store rating
4.46★
◀
4.35★
Total ratings
193
▶
31K
US grossing rank
-
=
-
Cheapest monthly sub
$12.99
▶
$24.43
IAP tiers detected
6 tiers
◀
0 tiers
- Category
- Education
- Price
- Free
- Released
- May 7, 2025
- Last updated
- Jun 30, 2026
- File size
- 9.8 MB
- Content rating
- 4+
- Version
- 2.7
- Languages
- Danish, Dutch, English, Finnish, French, German +6 more
- Category
- Education
- Price
- Free
- Released
- Dec 1, 2018
- Last updated
- Jun 24, 2026
- File size
- -
- Content rating
- Everyone
- Version
- 16.17.0
- Languages
- -
Retain Cards: AI Flashcards trajectory
Vaia: Study, Notes, Flashcards trajectory
FAQ
Which makes more money, Retain Cards: AI Flashcards or Vaia: Study, Notes, Flashcards? v
Vaia: Study, Notes, Flashcards earns about $115.8K per month, while Retain Cards: AI Flashcards earns about $217. That is a 533.8× revenue gap (~$115.6K more per month for Vaia: Study, Notes, Flashcards). Annual revenue: Retain Cards: AI Flashcards ≈ $2.6K/year, Vaia: Study, Notes, Flashcards ≈ $1.39M/year. Estimates are derived from public App Store / Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Retain Cards: AI Flashcards or Vaia: Study, Notes, Flashcards? v
Vaia: Study, Notes, Flashcards leads with about 10.2M estimated downloads vs 10K for Retain Cards: AI Flashcards - a 1052.2× gap. Retain Cards: AI Flashcards's App Store downloads are estimated from 193 ratings × the standard 1:75 ratio. Vaia: Study, Notes, Flashcards reports 10,000,000+ installs on Google Play.
Are Retain Cards: AI Flashcards and Vaia: Study, Notes, Flashcards in the same App Store category on each store 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 Retain Cards: AI Flashcards and Vaia: Study, Notes, Flashcards offer? v
Retain Cards: AI Flashcards: IAP range 6 tiers detected. Vaia: Study, Notes, Flashcards: IAP range $1.99 - $299.99 per item. Retain Cards: AI Flashcards runs a "Subscription (~$5.99/mo)" monetization model; Vaia: Study, Notes, Flashcards runs "Subscription (~$24.43/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Retain Cards: AI Flashcards or Vaia: Study, Notes, Flashcards? v
Retain Cards: AI Flashcards edges ahead with ★ 4.5 vs ★ 4.4 (gap of 0.1 stars). Rating volume: Retain Cards: AI Flashcards 193 ratings, Vaia: Study, Notes, Flashcards 430 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Retain Cards: AI Flashcards vs Vaia: Study, Notes, Flashcards revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $217 for Retain Cards: AI Flashcards and $115.8K for Vaia: Study, Notes, Flashcards are derived from App Store grossing rank / Google Play install ranges, 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 Retain Cards: AI Flashcards or Vaia: Study, Notes, Flashcards to a different App Store app? v
Use the search box at the bottom of this page or paste any two App Store or Google Play 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.