Calendar vs ChatGPT
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$0
$110M–$390M
Downloads / mo
810k–3.3M
25M–110M
Rating
★ 4.85 (1.5M)
★ 4.83 (8.9M)
Pricing
Free
Free + IAP
Category
Productivity
Productivity
Released
10.2y ago
3.2y ago