Astra AI: Study & Exam Prep vs Duolingo: Language Lessons
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$4k–$20k
$9.6M–$32M
Downloads / mo
6k–23k
2.5M–11M
Rating
★ 4.79 (3k)
★ 4.72 (5.4M)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
11mo ago
13.7y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $9.6M–$32M/mo, versus $4k–$20k/mo for Astra AI: Study & Exam Prep.