Babbel - Learn Languages vs DuoCards - Vocabulary Builder
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$18M–$76M
$41k–$170k
Downloads / mo
1.1M–4.7M
85k–350k
Rating
★ 4.60 (1.1M)
★ 4.38 (52k)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
14.3y ago
6.2y ago
Verdict: Babbel - Learn Languages earns more — an estimated $18M–$76M/mo, versus $41k–$170k/mo for DuoCards - Vocabulary Builder.