Retain Cards: AI Flashcards vs Juno: Courses

Retain Cards: AI Flashcards

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

Juno: Courses

Juno School
Google Play
$8.4K/mo
~$100.7K/yr · 506K installs
Revenue winner Juno: Courses wins +5533% vs other
Installs winner Juno: Courses wins +7561% vs other
MAU winner Juno: Courses wins +5447% vs other
Rating winner Retain Cards: AI Flashcards wins +13% vs other

Why Juno: Courses is winning

Top 3 reasons - backed by the public App Store / Play Store numbers.

  1. Juno: Courses earns roughly 56× more per month than Retain Cards: AI Flashcards - $8.4K vs $149.
  2. Aggressive pricing. Juno: Courses undercuts at $1.85/mo vs $12.99/mo - converts a higher % of free users.
  3. Bigger install base. Juno: Courses has ~506K lifetime installs vs Retain Cards: AI Flashcards's ~7K - 76.6× the funnel top.

Find more apps with this revenue gap · Full Juno: Courses report

Side-by-side metrics

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

Retain Cards: AI Flashcards
vs
Juno: Courses
Monthly revenue (est.)?
$149
$8.4K
Annual revenue (est.)
$1.8K
$100.7K
Lifetime installs (est.)
7K
506K
Monthly active users (est.)?
765.6
42K
App Store rating
4.50★
4.00★
Total ratings
132
6K
US grossing rank
-
=
-
Cheapest monthly sub
$12.99
$1.85
IAP tiers detected
6 tiers
0 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 →

Juno: Courses

Juno School
Google Play
Category
Education
Price
Free
Released
Mar 5, 2025
Last updated
May 4, 2026
File size
-
Content rating
Everyone
Version
1.1.197
Languages
-
View full Juno: Courses report →

Retain Cards: AI Flashcards trajectory

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Juno: Courses trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

FAQ

Which makes more money, Retain Cards: AI Flashcards or Juno: Courses? v
Juno: Courses earns about $8.4K per month, while Retain Cards: AI Flashcards earns about $149. That is a 56.3× revenue gap (~$8.2K more per month for Juno: Courses). Annual revenue: Retain Cards: AI Flashcards ≈ $1.8K/year, Juno: Courses ≈ $100.7K/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 Juno: Courses? v
Juno: Courses leads with about 506K estimated downloads vs 7K for Retain Cards: AI Flashcards - a 76.6× gap. Retain Cards: AI Flashcards's App Store downloads are estimated from 132 ratings × the standard 1:75 ratio. Juno: Courses reports 500,000+ installs on Google Play.
Are Retain Cards: AI Flashcards and Juno: Courses 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 Juno: Courses offer? v
Retain Cards: AI Flashcards: IAP range 6 tiers detected. Juno: Courses: IAP range $0.49 - $6.99 per item. Retain Cards: AI Flashcards runs a "Subscription (~$5.99/mo)" monetization model; Juno: Courses runs "Subscription (~$1.85/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 Juno: Courses? v
Retain Cards: AI Flashcards edges ahead with ★ 4.5 vs ★ 4.0 (gap of 0.5 stars). Rating volume: Retain Cards: AI Flashcards 132 ratings, Juno: Courses 2 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Retain Cards: AI Flashcards vs Juno: Courses revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $149 for Retain Cards: AI Flashcards and $8.4K for Juno: Courses 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 Juno: Courses 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.