Psychro Calc Pro
HVAC Psychrometric Calculator
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$9.99 Free
In-App Purchases
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About
Psychro Calc Pro is a professional psychrometric calculator for HVAC engineers and technicians. Instantly calculate dry bulb, wet bulb, dew point, relative humidity, humidity ratio, enthalpy, and air density. Supports SI and Imperial units, PDF report generation with custom logo, and calculation history.
PREMIUM FEATURES
Unlock all calculations, process analysis, and PDF export with a one-time purchase of $9.99. No subscription, no recurring fees — pay once, use forever.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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What's New in Psychro Calc Pro
1.0.13
July 14, 2026
- Switched from monthly subscription to a one-time purchase. Unlock all features permanently with a single payment — no recurring fees. - Existing premium users keep full access. - Improved purchase and restore reliability. - PDF report and chart rendering fixes.
MoreSubscription plans
Monthly Premium
Full access to all psychrometric calculations.
$3.991 Month
3 Days trial1
In-App Purchases
$9.99
Lifetime Premium
Full access to all psychrometric calculations.