Comparison

POLY vs HRV Screening:早期檢測先導計劃

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

POLY

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POLY:U:WAY helps you find and navigate to the places you want to go in the University, and provides location-based news and notifications at PolyU campus. Install now and enjoy your visit at PolyU.

About

HRV Screening:早期檢測先導計劃

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CPCE HRV Screening is a professional heart rate variability (HRV) data collection app designed for academic research. It helps researchers collect physiological data from tertiary students in Hong Kong for studies on stress and depressive symptoms. Key features: Automatically reads heart rate variability data from Apple Health Secure upload of data to research servers Intuitive data visualisation charts Data handling that complies with academic research ethics requirements This study is organised by the School of Professional and Continuing Education (CPCE), The Hong Kong Polytechnic University. It aims to collect and analyse participants’ HRV data to explore patterns of stress and mood among students. Participation is voluntary and all information is kept strictly confidential. The research team may access HRV data from participants’ Apple Health or Google Fit accounts for research purposes, collecting only HRV-related information (e.g. heart rate, HRV values, and timestamps). Data will be retained for twelve months after the project ends and then permanently destroyed. Some data may be processed or stored by third-party service providers (including but not limited to cloud storage, secure backup, or analysis). All such handling is subject to strict confidentiality and data protection agreements.

Screenshots

POLY4 screens
HRV Screening:早期檢測先導計劃4 screens

Verdict

The call

The clearest difference is iOS requirement: POLY at 15.1 against HRV Screening:早期檢測先導計劃's 18.1. On price, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

POLY ships an update every 2 months, HRV Screening:早期檢測先導計劃 every 4 months. The most recent releases landed on September 10, 2026 and September 25, 2026 respectively.

Scorecard1 real difference · 5 level
POLY versus HRV Screening:早期檢測先導計劃: the parameters behind the verdict, then further details
ParameterPOLYHRV Screening:早期檢測先導計劃
PriceFreeFree
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better18.1
Further details — not scored
Size54 MB9 MB
Age rating4+12+
DeveloperThe Hong Kong Polytechnic UniversityCollege of Professional and Continuing Education Limited

In-app purchases

None

POLY

No in-app purchases

None

HRV Screening:早期檢測先導計劃

No in-app purchases

Questions

Is POLY free?
POLY is free to download, with no in-app purchases.
Is HRV Screening:早期檢測先導計劃 free?
HRV Screening:早期檢測先導計劃 is free to download, with no in-app purchases.
Do POLY or HRV Screening:早期檢測先導計劃 have ads?
Neither POLY nor HRV Screening:早期檢測先導計劃 shows ads.
Which is updated more often, POLY or HRV Screening:早期檢測先導計劃?
POLY ships an update every 2 months, and HRV Screening:早期檢測先導計劃 every 4 months. Most recently, POLY was updated on September 10, 2026 and HRV Screening:早期檢測先導計劃 on September 25, 2026.

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