Microsoft Outlook vs Slide Rule
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$5.5M–$23M
$0–$1
Downloads / mo
3.2M–13M
1–2
Rating
★ 4.80 (9.0M)
★ 1.00 (1)
Pricing
Free + IAP
Paid $0.99
Category
Productivity
Productivity
Released
11.4y ago
7.4y ago
Verdict: Microsoft Outlook earns more — an estimated $5.5M–$23M/mo, versus $0–$1/mo for Slide Rule.