Retain Cards: AI Flashcards vs Question.AI - Chatbot&Math AI
Retain Cards: AI Flashcards
Retain Labs GmbH
App Store
$151/mo
~$1.8K/yr · 7K installs
VS
Question.AI - Chatbot&Math AI
D3 DIMENSION TECHNOLOGY PTE.LTD.
Google Play
$1.16M/mo
~$13.90M/yr · 27.2M installs
Revenue winner
Question.AI - Chatbot&Math AI wins
+766898% vs other
Installs winner
Question.AI - Chatbot&Math AI wins
+405999% vs other
MAU winner
Question.AI - Chatbot&Math AI wins
+651059% vs other
Rating winner
Question.AI - Chatbot&Math AI wins
+3% vs other
Why Question.AI - Chatbot&Math AI is winning
Top 3 reasons - backed by the public App Store / Play Store numbers.
- Question.AI - Chatbot&Math AI earns roughly 7670× more per month than Retain Cards: AI Flashcards - $1.16M vs $151.
- Aggressive pricing. Question.AI - Chatbot&Math AI undercuts at $7.00/mo vs $12.99/mo - converts a higher % of free users.
- Bigger install base. Question.AI - Chatbot&Math AI has ~27.2M lifetime installs vs Retain Cards: AI Flashcards's ~7K - 4061.0× the funnel top.
→ Find more apps with this revenue gap · Full Question.AI - Chatbot&Math AI report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
Retain Cards: AI Flashcards
vs
Question.AI - Chatbot&Math AI
Monthly revenue (est.)?
$151
▶
$1.16M
Annual revenue (est.)
$1.8K
▶
$13.90M
Lifetime installs (est.)
7K
▶
27.2M
Monthly active users (est.)?
777.2
▶
5.1M
App Store rating
4.49★
▶
4.62★
Total ratings
134
▶
230K
US grossing rank
-
=
-
Cheapest monthly sub
$12.99
◀
$7.00
IAP tiers detected
6 tiers
◀
0 tiers
- 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
- Category
- Education
- Price
- Free
- Released
- May 29, 2023
- Last updated
- Apr 15, 2026
- File size
- -
- Content rating
- Everyone
- Version
- 3.5.3
- Languages
- -
Retain Cards: AI Flashcards trajectory
Question.AI - Chatbot&Math AI trajectory
FAQ
Which makes more money, Retain Cards: AI Flashcards or Question.AI - Chatbot&Math AI? v
Question.AI - Chatbot&Math AI earns about $1.16M per month, while Retain Cards: AI Flashcards earns about $151. That is a 7670.0× revenue gap (~$1.16M more per month for Question.AI - Chatbot&Math AI). Annual revenue: Retain Cards: AI Flashcards ≈ $1.8K/year, Question.AI - Chatbot&Math AI ≈ $13.90M/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 Question.AI - Chatbot&Math AI? v
Question.AI - Chatbot&Math AI leads with about 27.2M estimated downloads vs 7K for Retain Cards: AI Flashcards - a 4061.0× gap. Retain Cards: AI Flashcards's App Store downloads are estimated from 127 ratings × the standard 1:75 ratio. Question.AI - Chatbot&Math AI reports 10,000,000+ installs on Google Play.
Are Retain Cards: AI Flashcards and Question.AI - Chatbot&Math AI 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 Question.AI - Chatbot&Math AI offer? v
Retain Cards: AI Flashcards: IAP range 6 tiers detected. Question.AI - Chatbot&Math AI: IAP range $0.49 - $99.99 per item. Retain Cards: AI Flashcards runs a "Subscription (~$5.99/mo)" monetization model; Question.AI - Chatbot&Math AI runs "Subscription (~$7.00/mo, ai)". 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 Question.AI - Chatbot&Math AI? v
Question.AI - Chatbot&Math AI edges ahead with ★ 4.6 vs ★ 4.5 (gap of 0.1 stars). Rating volume: Retain Cards: AI Flashcards 127 ratings, Question.AI - Chatbot&Math AI 13K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Retain Cards: AI Flashcards vs Question.AI - Chatbot&Math AI revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $151 for Retain Cards: AI Flashcards and $1.16M for Question.AI - Chatbot&Math AI 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 Question.AI - Chatbot&Math AI 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.