12-Lead ECG Challenge vs Microphone Amplifier
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$8k–$34k
$1.5M–$6.1M
Downloads / mo
2k–8k
500k–2.1M
Rating
★ 2.57 (66)
★ 4.38 (65k)
Pricing
Paid $5.99
Free + IAP
Category
Medical
Medical
Released
14.8y ago
6.8y ago
Verdict: Microphone Amplifier earns more — an estimated $1.5M–$6.1M/mo, versus $8k–$34k/mo for 12-Lead ECG Challenge.