About this app
IEQ calculator (Apartment) provides you an easier alternative to estimate the indoor environmental quality (IEQ) in residential environment. You can examine the IEQ performance of an apartment by simply inputting several preset indoor environment parameters. The environmental performance of the apartment is expressed via a 5-star benchmarking scale (i.e. 5-stars BEST apartment, 1-star WORST apartment). This application is particularly useful for tenants to evaluate the IEQ in their own livings. Development team: Dr. LT Wong Dr. KW Mui Mr. HC Yu Mr. CT Cheung IEQ Research Team, Department of Building Services Engineering, The Hong Kong Polytechnic University Sources: Lai ACK, Mui KW, Wong LT, Law LY (2009). An evaluation model for indoor environmental quality (IEQ) acceptance in residential buildings. Energy and Building 41, 930 – 936.
Latest release
What’s New
Update for iOS SDK 17
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 26, 2026 · 11:52 PM Free
Screenshots
