Challenges : éco & business vs Substack
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$40–$300
$1.9M–$11M
Downloads / mo
10–80
880k–3.6M
Rating
★ 4.57 (35)
★ 4.87 (504k)
Pricing
Free + IAP
Free + IAP
Category
News
News
Released
15.6y ago
4.4y ago
Verdict: Substack earns more — an estimated $1.9M–$11M/mo, versus $40–$300/mo for Challenges : éco & business.