Gmail - Email by Google vs USB Disk Pro
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$2.8M–$9.4M
$3k–$43k
Downloads / mo
320k–1.4M
70–400
Rating
★ 4.71 (2.4M)
★ 4.54 (142)
Pricing
Free + IAP
Paid $99.99
Category
Productivity
Productivity
Released
14.9y ago
15.8y ago
Verdict: Gmail - Email by Google earns more — an estimated $2.8M–$9.4M/mo, versus $3k–$43k/mo for USB Disk Pro.