Comparison

EyeGenius Legacy vs Optical Simulator

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

Head to head

EyeGenius Legacy

Remote control application

About

EyeGenius Legacy

Features

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The Hoya EyeGenius application serves as the remote control for the EyeGenius vision examination system in your store/practice. With Hoya EyeGenius you can measure and correct fixation disparity without using prisms. Additionally, the system offers a full set of optometric tests running on a far and near vision device, that can also be controlled with the application. You can download the EyeGenius remote control application here. To purchase the Hoya EyeGenius examination system, please get in touch with your HOYA representative

About

Optical Simulator

Features

Read full description

Optical Simulator is a Lens simulation platform for pre visualizing how you would see through different Lenses directly from your mobile device. Browse through a variety of Ski Goggles, Driving Glasses, Computer Glasses and More!

Screenshots

Optical Simulator4 screens

Verdict

The call

The clearest difference is device support: Optical Simulator at 3 against EyeGenius Legacy's 1. Optical Simulator also leads on iOS requirement (11.0 vs 14.1). 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

EyeGenius Legacy ships an update every 2 months, Optical Simulator every 4 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 4 level

EyeGenius Legacy versus Optical Simulator: the parameters behind the verdict, then further details
Parameter	EyeGenius Legacy	Optical Simulator
Price	Free	Free
Update frequency	Every 2 months — better	Every 4 months
Ads	No	No
In-app purchases	No	No
Devices	iPad	iPhone, iPad, iPod — better
Requires iOS	14.1	11.0 — better
Further details — not scored
Size	320 MB	82 MB
Age rating	4+	4+
Developer	Hoya Holdings NV	Treeview Studio SAS

In-app purchases

None

EyeGenius Legacy

No in-app purchases

None

Optical Simulator

No in-app purchases

Questions

Is EyeGenius Legacy free?

EyeGenius Legacy is free to download, with no in-app purchases.

Is Optical Simulator free?

Optical Simulator is free to download, with no in-app purchases.

Do EyeGenius Legacy or Optical Simulator have ads?

Neither EyeGenius Legacy nor Optical Simulator shows ads.

Which is updated more often, EyeGenius Legacy or Optical Simulator?

EyeGenius Legacy ships an update every 2 months, and Optical Simulator every 4 months. Most recently, EyeGenius Legacy was updated on October 26, 2026 and Optical Simulator on October 25, 2026.