ChatGPT vs Lock Screen Calendar: CoreTask
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$120M–$410M
$8–$50
Downloads / mo
33M–140M
10–70
Rating
★ 4.83 (9.1M)
★ 5.00 (17)
Pricing
Free + IAP
Free + IAP
Category
Productivity
Productivity
Released
3.2y ago
2.3y ago
Verdict: ChatGPT earns more — an estimated $120M–$410M/mo, versus $8–$50/mo for Lock Screen Calendar: CoreTask.