IEQ Calculator(Office) vs PolyULife
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IEQ Calculator(Office)
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IEQ calculator (Office) provides you an easier alternative to estimate the indoor environmental quality (IEQ) in office environment. You can examine the IEQ performance of an office by simply inputting several preset indoor environment parameters. The environmental performance of the office is expressed via a 5-star benchmarking scale (i.e. 5-stars BEST office, 1-star WORST office). This application is particularly useful for building management officers. 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: Wong LT, Mui KW (2009). An energy performance assessment for indoor environmental quality (IEQ) acceptance in air-conditioned offices. Energy Conversion and Management 50, 1362 – 1367.
PolyULife
This app provides students with convenient access to essential university services and their personal academic information. It streamlines access to student life resources within the university.
- Access to common university services
- Personal student information
- Streamlined access to academic life
- University resource hub
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PolyULife allows PolyU students to have quick access to the commonly used services and to access to personal information about their student life in the University
Screenshots
Verdict
The clearest difference is update cadence: PolyULife at every 4 months against IEQ Calculator(Office)'s every 35 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
IEQ Calculator(Office) ships an update every 35 months, PolyULife every 4 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | IEQ Calculator(Office) | PolyULife |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 35 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14.4 — better | 15.6 |
| Further details — not scored | ||
| Size | 1 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Fishball Studio | The Hong Kong Polytechnic University |
In-app purchases
IEQ Calculator(Office)
No in-app purchases
PolyULife
No in-app purchases
Questions
Is IEQ Calculator(Office) free?
Is PolyULife free?
Do IEQ Calculator(Office) or PolyULife have ads?
Which is updated more often, IEQ Calculator(Office) or PolyULife?
Other comparisons
