Japanese Kotoba Crossword vs Retain Cards: AI Flashcards

Japanese Kotoba Crossword

科吉图(杭州)科技有限公司
App Store
$54/mo
~$647/yr · 2K installs
VS

Retain Cards: AI Flashcards

Retain Labs GmbH
App Store
$218/mo
~$2.6K/yr · 10K installs
Revenue winner Retain Cards: AI Flashcards wins +304% vs other
Installs winner Retain Cards: AI Flashcards wins +547% vs other
MAU winner Retain Cards: AI Flashcards wins +570% vs other
Rating winner Retain Cards: AI Flashcards wins +446% vs other

Why Retain Cards: AI Flashcards is winning

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

  1. Retain Cards: AI Flashcards earns roughly 4× more per month than Japanese Kotoba Crossword - $218 vs $54.
  2. Subscription model. Retain Cards: AI Flashcards runs a $12.99/mo subscription that compounds; Japanese Kotoba Crossword relies on one-shot IAP or ads.
  3. Bigger install base. Retain Cards: AI Flashcards has ~10K lifetime installs vs Japanese Kotoba Crossword's ~2K - 6.5× the funnel top.
  4. More monetization surfaces. Retain Cards: AI Flashcards runs 6 IAP tiers vs 1 - more chances to convert users at the right price.

→ Find more apps with this revenue gap · Full Retain Cards: AI Flashcards report

Side-by-side metrics

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

Japanese Kotoba Crossword
vs
Retain Cards: AI Flashcards
Monthly revenue (est.)?
$54
▶
$218
Annual revenue (est.)
$647
▶
$2.6K
Lifetime installs (est.)
2K
▶
10K
Monthly active users (est.)?
168
▶
1K
App Store rating
-
▶
4.46★
Total ratings
0
▶
194
US grossing rank
-
=
-
Cheapest monthly sub
No sub
▶
$12.99
IAP tiers detected
1 tiers
▶
6 tiers

Japanese Kotoba Crossword

科吉图(杭州)科技有限公司
App Store
Category
Education
Price
Free
Released
Jun 21, 2026
Last updated
Jun 23, 2026
File size
226.5 MB
Content rating
4+
Version
1.0.1
Languages
English, Chinese
View full Japanese Kotoba Crossword report →

Retain Cards: AI Flashcards

Retain Labs GmbH
App Store
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
View full Retain Cards: AI Flashcards report →

Japanese Kotoba Crossword trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

Retain Cards: AI Flashcards trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

Related app pages

Japanese Kotoba Crossword App Store page →Retain Cards: AI Flashcards App Store page →

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FAQ

Which makes more money, Japanese Kotoba Crossword or Retain Cards: AI Flashcards? v
Retain Cards: AI Flashcards earns about $218 per month, while Japanese Kotoba Crossword earns about $54. That is a 4.0× revenue gap (~$164 more per month for Retain Cards: AI Flashcards). Annual revenue: Japanese Kotoba Crossword ≈ $647/year, Retain Cards: AI Flashcards ≈ $2.6K/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Japanese Kotoba Crossword or Retain Cards: AI Flashcards? v
Retain Cards: AI Flashcards leads with about 10K estimated downloads vs 2K for Japanese Kotoba Crossword - a 6.5× gap. Japanese Kotoba Crossword's App Store downloads are estimated from 0 ratings × the standard 1:75 ratio. Retain Cards: AI Flashcards's App Store downloads are estimated from 193 ratings.
Are Japanese Kotoba Crossword 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 Japanese Kotoba Crossword and Retain Cards: AI Flashcards offer? v
Japanese Kotoba Crossword: IAP range 1 tiers detected. Retain Cards: AI Flashcards: IAP range 6 tiers detected. Japanese Kotoba Crossword runs a "Free + one-time IAP (1 tiers)" 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, Japanese Kotoba Crossword or Retain Cards: AI Flashcards? v
Retain Cards: AI Flashcards edges ahead with a higher overall score (gap of 4.5 stars). Rating volume: Japanese Kotoba Crossword 0 ratings, Retain Cards: AI Flashcards 193 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Japanese Kotoba Crossword vs Retain Cards: AI Flashcards revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $54 for Japanese Kotoba Crossword and $218 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 Japanese Kotoba Crossword 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.