Retain Cards: AI Flashcards vs Vaia: AI Flashcards. Study App

Retain Cards: AI Flashcards

Retain Labs GmbH
App Store
$149/mo
~$1.8K/yr · 7K installs
VS

Vaia: AI Flashcards. Study App

StudySmarter GmbH
App Store
$2.4K/mo
~$29.3K/yr · 120K installs
Revenue winner Vaia: AI Flashcards. Study App wins +1540% vs other
Installs winner Vaia: AI Flashcards. Study App wins +1717% vs other
MAU winner Vaia: AI Flashcards. Study App wins +1748% vs other
Rating winner Vaia: AI Flashcards. Study App wins +5% vs other

Why Vaia: AI Flashcards. Study App is winning

Top 4 reasons - backed by the public App Store / Play Store numbers.

  1. Vaia: AI Flashcards. Study App earns roughly 16× more per month than Retain Cards: AI Flashcards - $2.4K vs $149.
  2. Aggressive pricing. Vaia: AI Flashcards. Study App undercuts at $6.49/mo vs $12.99/mo - converts a higher % of free users.
  3. Bigger install base. Vaia: AI Flashcards. Study App has ~120K lifetime installs vs Retain Cards: AI Flashcards's ~7K - 18.2× the funnel top.
  4. More monetization surfaces. Vaia: AI Flashcards. Study App runs 9 IAP tiers vs 6 - more chances to convert users at the right price.

→ Find more apps with this revenue gap · Full Vaia: AI Flashcards. Study App report

Side-by-side metrics

Bars scale to whichever app is bigger on that row. Green = winner.

Retain Cards: AI Flashcards
vs
Vaia: AI Flashcards. Study App
Monthly revenue (est.)?
$149
▶
$2.4K
Annual revenue (est.)
$1.8K
▶
$29.3K
Lifetime installs (est.)
7K
▶
120K
Monthly active users (est.)?
765.6
▶
14K
App Store rating
4.50★
▶
4.71★
Total ratings
132
▶
1K
US grossing rank
-
=
-
Cheapest monthly sub
$12.99
◀
$6.49
IAP tiers detected
6 tiers
▶
9 tiers

Retain Cards: AI Flashcards

Retain Labs GmbH
App Store
Category
Education
Price
Free
Released
May 7, 2025
Last updated
Apr 24, 2026
File size
9.5 MB
Content rating
4+
Version
2.5
Languages
Danish, Dutch, English, Finnish, French, German +5 more
View full Retain Cards: AI Flashcards report →

Vaia: AI Flashcards. Study App

StudySmarter GmbH
App Store
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
View full Vaia: AI Flashcards. Study App report →

Retain Cards: AI Flashcards trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Vaia: AI Flashcards. Study App trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

Retain Cards: AI Flashcards App Store page →Vaia: AI Flashcards. Study App App Store page →

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Compare another pair

FAQ

Which makes more money, Retain Cards: AI Flashcards or Vaia: AI Flashcards. Study App? v
Vaia: AI Flashcards. Study App earns about $2.4K per month, while Retain Cards: AI Flashcards earns about $149. That is a 16.4× revenue gap (~$2.3K more per month for Vaia: AI Flashcards. Study App). Annual revenue: Retain Cards: AI Flashcards ≈ $1.8K/year, Vaia: AI Flashcards. Study App ≈ $29.3K/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Retain Cards: AI Flashcards or Vaia: AI Flashcards. Study App? v
Vaia: AI Flashcards. Study App leads with about 120K estimated downloads vs 7K for Retain Cards: AI Flashcards - a 18.2× gap. Retain Cards: AI Flashcards's App Store downloads are estimated from 132 ratings × the standard 1:75 ratio. Vaia: AI Flashcards. Study App's App Store downloads are estimated from 1K ratings.
Are Retain Cards: AI Flashcards 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 Retain Cards: AI Flashcards and Vaia: AI Flashcards. Study App offer? v
Retain Cards: AI Flashcards: IAP range 6 tiers detected. Vaia: AI Flashcards. Study App: IAP range 9 tiers detected. Retain Cards: AI Flashcards runs a "Subscription (~$5.99/mo)" monetization model; Vaia: AI Flashcards. Study App runs "Subscription (~$5.33/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: AI Flashcards. Study App? v
Vaia: AI Flashcards. Study App edges ahead with ★ 4.7 vs ★ 4.5 (gap of 0.2 stars). Rating volume: Retain Cards: AI Flashcards 132 ratings, Vaia: AI Flashcards. Study App 1K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Retain Cards: AI Flashcards vs Vaia: AI Flashcards. Study App revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $149 for Retain Cards: AI Flashcards and $2.4K 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 Retain Cards: AI Flashcards 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.