Comparison

OSSA App vs Study Eyes Easy

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

Head to head

OSSA App

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About

OSSA App

Features

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App for the OSSA Community to find the latest news, join the conversation and support each other. This app also includes clinical tools for you to access no matter where you are. Please give us feedback if you feel any improvements can be made.

About

Study Eyes Easy

Features

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Learn ocular anatomy interactively! This 3D eye model is the ideal tool for studying anatomy and physiology of the eye. All content in this app is free without in-app purchases. The interface is simple and intuitive, making it easy to use. FEATURES of the Study Eye Easy (SEE) model include: - Fully INTERACTIVE model of the eye and surrounding structures that can ROTATE and ZOOM in 3D space - Option to HIDE or ISOLATE different structures or system groups - TRANSPARENCY function to easily localize particular structures - Cross sectional RETINA MODEL with detailed view of the retinal layers - EYE MUSCLE MODEL that shows the contracting and relaxing extraocular muscles - 3D ANIMATIONS of ocular diseases with VISUAL SIMULATIONS - EXPLODE TOOL to separate the ocular structures for easy visualization Learn more about the SEE 3D Eye Model App: https://polyu.hk/IbKbl

Screenshots

OSSA App4 screens

Study Eyes Easy4 screens

Verdict

The call

The clearest difference is update cadence: Study Eyes Easy at every 2 months against OSSA App's every 4 months. Study Eyes Easy also leads on iOS requirement (11.0 vs 15.1). 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

OSSA App ships an update every 4 months, Study Eyes Easy every 2 months. The most recent releases landed on October 18, 2026 and October 14, 2026 respectively.

Scorecard2 real differences · 4 level

OSSA App versus Study Eyes Easy: the parameters behind the verdict, then further details
Parameter	OSSA App	Study Eyes Easy
Price	Free	Free
Update frequency	Every 4 months	Every 2 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.1	11.0 — better
Further details — not scored
Size	49 MB	290 MB
Age rating	12+	4+
Developer	Purist Industries (PTY) LTD	The Hong Kong Polytechnic University

In-app purchases

None

OSSA App

No in-app purchases

None

Study Eyes Easy

No in-app purchases

Questions

Is OSSA App free?

OSSA App is free to download, with no in-app purchases.

Is Study Eyes Easy free?

Study Eyes Easy is free to download, with no in-app purchases.

Do OSSA App or Study Eyes Easy have ads?

Neither OSSA App nor Study Eyes Easy shows ads.

Which is updated more often, OSSA App or Study Eyes Easy?

OSSA App ships an update every 4 months, and Study Eyes Easy every 2 months. Most recently, OSSA App was updated on October 18, 2026 and Study Eyes Easy on October 14, 2026.