Comparison

Digital Phoropter vs COA Practice Test & Exam Prep

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

Head to head
About

Digital Phoropter

Practice and master refractive techniques with a virtual eye examination tool. Explore over two billion virtual test subjects and refine your skills with precise digital controls. Ideal for students, educators, and eye care professionals.

Highlights
  • Virtual refraction room
  • Over 2 billion virtual test subjects
  • 35+ movement directions
  • Spherical and cylindrical corrections
  • Realistic chat interactions
  • Generate and share refraction codes
Features
Read full description

Explore Digital Phoropter: Your Virtual Refraction Room! Imagine having a complete refraction room with over two billion virtual test subjects at your fingertips. This is the power of Digital Phoropter! Whether you're a student, educator, or an experienced optician or optometrist, this innovative tool is changing the way you practice or teach refractive techniques. What is Digital Phoropter? Digital Phoropter is an advanced digital instrument that empowers you to perform and practice refractive procedures. Similar to the traditional phoropter, this digital variant offers an array of features that aid in enhancing your skills and achieving more accurate results. Why Choose for Digital Phoropter? With over 35 different movement directions, you can effortlessly practice digitally with the same precision as in practice, but with complete independence. With Digital Phoropter, you have control over every movement, every turn, and every adjustment. Moreover, you can practice all aspects of a refraction, from simple spherical corrections to complete refractive procedures involving cylinder and more. You determine what you want to practice and the level of difficulty. Experience the Benefits: * Free exploration: Start with our free onboarding and discover all the functionalities of Digital Phoropter. Learn the virtual controls by swiping, tapping, and turning. * Full Access Subscription: Opt for our Full Access version and unlock a world of possibilities. Operate Digital Phoropter with shortcuts, choose optotypes for the test subject, and practice questioning through realistic chat interactions. Choose the aspects of refraction you want to practice or initiate an entirely new refraction from scratch. With the ability to generate and share refraction codes, collaborating with colleagues and practicing specific scenarios becomes effortless. Digital Phoropter is designed with an intuitive interface that guides you seamlessly through the process. Whether you're working on a large screen or a smaller display, the Digital Phoropter adapts. Embrace the Future of Refractions! Download Digital Phoropter now and discover for yourself how this innovative tool can elevate your practice to new heights. After a free exploration, you can choose to access all features with a Full Access subscription. Subscriptions are billed through your App Store account and are automatically renewed. You can cancel at any time through your App Store account settings. View our privacy policy and terms of use here: https://oculapps85.com/privacy/

About

COA Practice Test & Exam Prep

Features
Read full description

Ready to launch your career in eye care? This COA Practice Test app is your complete mobile toolkit to prepare for the Certified Ophthalmic Assistant (COA) exam with total confidence. Whether you are entering the field of ophthalmology or upgrading your certification status, this app covers everything you need. Featuring 700+ expertly written practice questions and detailed explanations, our cloud-powered design keeps you study-ready 24/7. Powered by ELS™: Effective Learning Strategy Our proprietary ELS™ method uses the psychology-based "chunking" strategy to group related content. This helps you absorb and retain complex topics—such as ocular anatomy, tonometry, refraction, and pharmacology—much faster than traditional methods. App Features & Highlights: 700+ Practice Questions: Designed to simulate the real COA exam environment. Cross-Device Syncing: Seamlessly transition between your iPhone and iPad with real-time progress saving. Offline Access: Download materials to study anywhere—no Wi-Fi required. Full-Length Mock Exams: Mimic real testing conditions with our advanced exam simulator. Performance Tracker: Monitor your accuracy and readiness across specific domains like lensometry, visual fields, and patient care. Custom Quiz Tools: Bookmark challenging questions and build personalized study sessions. Perfect For: Aspiring Certified Ophthalmic Assistants. Ophthalmic technicians preparing for IJCAHPO’s COA certification. Medical assistants transitioning into specialized eye care. Our Promise to You Your success is our priority. If you complete our full program and do not pass your COA test, we provide a PASS OR IT’S FREE GUARANTEE with a full refund. Download today and start building your ophthalmic career the smart way!

Screenshots

Digital Phoropter4 screens
COA Practice Test & Exam Prep4 screens

Verdict

The call

Digital Phoropter and COA Practice Test & Exam Prep are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Digital Phoropter sells 5 in-app purchases, starting at $4.99 per month and COA Practice Test & Exam Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Digital Phoropter ships an update every 6 weeks, COA Practice Test & Exam Prep every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

ScorecardNo meaningful differences
Digital Phoropter versus COA Practice Test & Exam Prep: the parameters behind the verdict, then further details
ParameterDigital PhoropterCOA Practice Test & Exam Prep
PriceFreeFree
Rating4.0 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.616.6 — better
Further details — not scored
Size275 MB21 MB
Age rating4+4+
DeveloperRonald BaksiAPPSSTUDIO

In-app purchases

5 purchases

Digital Phoropter

Subscriptions5
  • Full Access 1 Month$4.991 Month
  • Basic Access$14.491 Year
  • Full Access 20% Off$19.991 Year
Show 2 more
  • Full Access$24.991 Year
  • Full Access7 Days trial$24.991 Year
1 purchases

COA Practice Test & Exam Prep

One-time1
  • Get Lifetime Access$7.99

Questions

Is Digital Phoropter free?
Digital Phoropter is free to download, with in-app purchases available.
Is COA Practice Test & Exam Prep free?
COA Practice Test & Exam Prep is free to download, with in-app purchases available.
Do Digital Phoropter or COA Practice Test & Exam Prep have ads?
Neither Digital Phoropter nor COA Practice Test & Exam Prep shows ads.
Which is updated more often, Digital Phoropter or COA Practice Test & Exam Prep?
Digital Phoropter ships an update every 6 weeks, and COA Practice Test & Exam Prep every 2 months. Most recently, Digital Phoropter was updated on October 24, 2026 and COA Practice Test & Exam Prep on October 25, 2026.

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