Public in-app purchases
Pro UnlockS$ 3.98
AppPriceDataObserved data
AppPriceData
Latest observed Apple storefront price and public purchase options.
The latest observed download price for Psychrometric Calc HVAC in the Singapore App Store is S$ 0.98. Confirm the current checkout price on Apple before purchasing.
AppPriceData currently has download-price observations for 1 storefronts.
The latest observed download price is S$ 0.98. The observation was updated August 20, 2026 at 11:06 PM.
Apple's public product page currently shows 1 in-app purchase item in this storefront.
Yes. Apple storefront prices can differ by country, currency, taxes, and developer pricing. AppPriceData has observations from 1 storefronts for this app.