Comparison

ViSymulation Pro vs PolyU Halls

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

Head to head
About

ViSymulation Pro

Features
Read full description

"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)

About

PolyU Halls

Features
Read full description

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

ViSymulation Pro4 screens
PolyU Halls4 screens

Verdict

The call

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

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

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.

Scorecard2 real differences · 4 level
ViSymulation Pro versus PolyU Halls: the parameters behind the verdict, then further details
ParameterViSymulation ProPolyU Halls
PriceFreeFree
Update frequencyEvery 3 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size240 MB14 MB
Age rating12+4+
DeveloperHKU TELIThe Hong Kong Polytechnic University

In-app purchases

None

ViSymulation Pro

No in-app purchases

None

PolyU Halls

No in-app purchases

Questions

Is ViSymulation Pro free?
ViSymulation Pro is free to download, with no in-app purchases.
Is PolyU Halls free?
PolyU Halls is free to download, with no in-app purchases.
Do ViSymulation Pro or PolyU Halls have ads?
Neither ViSymulation Pro nor PolyU Halls shows ads.
Which is updated more often, ViSymulation Pro or PolyU Halls?
ViSymulation Pro ships an update every 3 weeks, and PolyU Halls every 5 months. Most recently, ViSymulation Pro was updated on September 13, 2026 and PolyU Halls on September 21, 2026.

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