Knowunity: AI Study & Homework vs Retain Cards: AI Flashcards

Knowunity: AI Study & Homework

Knowunity GmbH
App Store
$36.6K/mo
~$439.5K/yr · 104K installs
VS

Retain Cards: AI Flashcards

Retain Labs GmbH
App Store
$149/mo
~$1.8K/yr · 7K installs
Revenue winner Knowunity: AI Study & Homework wins +24479% vs other
Installs winner Knowunity: AI Study & Homework wins +1482% vs other
MAU winner Knowunity: AI Study & Homework wins +8368% vs other
Rating winner Knowunity: AI Study & Homework wins +3% vs other

Why Knowunity: AI Study & Homework is winning

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

  1. Knowunity: AI Study & Homework earns roughly 246× more per month than Retain Cards: AI Flashcards - $36.6K vs $149.
  2. Aggressive pricing. Knowunity: AI Study & Homework undercuts at $9.99/mo vs $12.99/mo - converts a higher % of free users.
  3. Bigger install base. Knowunity: AI Study & Homework has ~104K lifetime installs vs Retain Cards: AI Flashcards's ~7K - 15.8× the funnel top.

→ Find more apps with this revenue gap · Full Knowunity: AI Study & Homework report

Side-by-side metrics

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

Knowunity: AI Study & Homework
vs
Retain Cards: AI Flashcards
Monthly revenue (est.)?
$36.6K
◀
$149
Annual revenue (est.)
$439.5K
◀
$1.8K
Lifetime installs (est.)
104K
◀
7K
Monthly active users (est.)?
65K
◀
765.6
App Store rating
4.64★
◀
4.50★
Total ratings
4K
◀
132
US grossing rank
-
=
-
Cheapest monthly sub
$9.99
▶
$12.99
IAP tiers detected
1 tiers
▶
6 tiers

Knowunity: AI Study & Homework

Knowunity GmbH
App Store
Category
Education
Price
Free
Released
Sep 10, 2020
Last updated
May 7, 2026
File size
156.2 MB
Content rating
4+
Version
6.19.2
Languages
Czech, Dutch, English, French, German, Greek +8 more
View full Knowunity: AI Study & Homework report →

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 →

Knowunity: AI Study & Homework trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Retain Cards: AI Flashcards trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

Knowunity: AI Study & Homework App Store page →Retain Cards: AI Flashcards App Store page →

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Compare another pair

FAQ

Which makes more money, Knowunity: AI Study & Homework or Retain Cards: AI Flashcards? v
Knowunity: AI Study & Homework earns about $36.6K per month, while Retain Cards: AI Flashcards earns about $149. That is a 245.8× revenue gap (~$36.5K more per month for Knowunity: AI Study & Homework). Annual revenue: Knowunity: AI Study & Homework ≈ $439.5K/year, Retain Cards: AI Flashcards ≈ $1.8K/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Knowunity: AI Study & Homework or Retain Cards: AI Flashcards? v
Knowunity: AI Study & Homework leads with about 104K estimated downloads vs 7K for Retain Cards: AI Flashcards - a 15.8× gap. Knowunity: AI Study & Homework's App Store downloads are estimated from 4K ratings × the standard 1:75 ratio. Retain Cards: AI Flashcards's App Store downloads are estimated from 132 ratings.
Are Knowunity: AI Study & Homework and Retain Cards: AI Flashcards 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 Knowunity: AI Study & Homework and Retain Cards: AI Flashcards offer? v
Knowunity: AI Study & Homework: IAP range 1 tiers detected. Retain Cards: AI Flashcards: IAP range 6 tiers detected. Knowunity: AI Study & Homework runs a "Subscription (~$9.99/mo, ai)" monetization model; Retain Cards: AI Flashcards runs "Subscription (~$5.99/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Knowunity: AI Study & Homework or Retain Cards: AI Flashcards? v
Knowunity: AI Study & Homework edges ahead with ★ 4.6 vs ★ 4.5 (gap of 0.1 stars). Rating volume: Knowunity: AI Study & Homework 4K ratings, Retain Cards: AI Flashcards 132 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Knowunity: AI Study & Homework vs Retain Cards: AI Flashcards revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $36.6K for Knowunity: AI Study & Homework and $149 for Retain Cards: AI Flashcards 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 Knowunity: AI Study & Homework or Retain Cards: AI Flashcards 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.