ViSymulation Pro vs PolyU Halls
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ViSymulation Pro
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"ViSymulation Pro" is an augmented reality (AR) mobile application, developed by the Department of Ophthalmology, School of Clinical Medicine of the University of Hong Kong. It aims to educate users on the visual symptoms of common vision problems. Users could gain a first-person experience of the impaired vision and the corresponding difficulties encountered by the visually impaired persons (VIPs). As a result, the public awareness of vision protection is raised while the empathetic attitude towards the visually-impaired people are developed among the community. "ViSymulation Pro" provides 2 modes: 1. "Information About Vision Problems" - For individual users - Discover the aetiology, signs and visual symptoms of vision problems - Experience visual symptoms of vision problems through the 1-minute AR simulation 2. "Create/Join Room" - For groups and events - Remote-control function: control of multiple smartphones to display desired visual symptoms to realize group-based teaching This mobile app can simulate the following vision problems with three stages of progression (mild, moderate, and severe) or the subtypes: - Diabetic Retinopathy - Cataract - Glaucoma - Age-related macular degeneration - Retinitis Pigmentosa - Retinal Detachment - Myopia - Hyperopia - Presbyopia - Astigmatism - Color Blindness (Protanopia, Tritanopia, Deuteranopia, Monochromacy) - Visual Pathway Lesions (Left Homonymous Hemianopia, Left Homonymous Superior Quadrantanopia, Left Homonymous Inferior Quadrantanopia)
PolyU Halls
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PolyU Halls is a mobile app for PolyU hall residents to manage their e-purse for operating the electrical appliance and paying various small fees. The use of this APP is restricted to the hall residents for the above-mentioned purposes.
Screenshots
Verdict
The clearest difference is update cadence: ViSymulation Pro at every 3 weeks against PolyU Halls's every 5 months. ViSymulation Pro also leads on iOS requirement (13.0 vs 15.6). 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.
ViSymulation Pro ships an update every 3 weeks, PolyU Halls every 5 months. The most recent releases landed on September 13, 2026 and September 21, 2026 respectively.
| Parameter | ViSymulation Pro | PolyU Halls |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 240 MB | 14 MB |
| Age rating | 12+ | 4+ |
| Developer | HKU TELI | The Hong Kong Polytechnic University |
In-app purchases
ViSymulation Pro
No in-app purchases
PolyU Halls
No in-app purchases
Questions
Is ViSymulation Pro free?
Is PolyU Halls free?
Do ViSymulation Pro or PolyU Halls have ads?
Which is updated more often, ViSymulation Pro or PolyU Halls?
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