Comparison

Color Blindness Checker vs Smart Optometry

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

Head to head
About

Color Blindness Checker

Quickly determine if you have color blindness with a simple test. This application provides a fast and accessible way to check for vision impairments related to color perception. Get results in under a minute.

Highlights
  • Color blindness test
  • Fast results
  • Accessible interface
  • Vision impairment check
Read full description

Find out if you are color blind in less than a minute.

About

Smart Optometry

This app offers eye care professionals a suite of 15 interactive and precise digital eye exams for patient screening and testing. It simplifies the examination process with clear guidelines, fast execution, and automated calculations, supporting a more efficient and accurate diagnostic workflow.

Highlights
  • 15 interactive digital eye exams
  • Automated calculation and diagnosis
  • Multi-language support
  • Vertex and visual acuity calculators
  • Simple and fast user interface
  • Precise and reliable results
Features
Read full description

Smart Optometry is #1 choice for eye care professionals around the world! Give your patients’ best care with 15 FREE INTERACTIVE, PRECISE and SIMPLE eye exams in 9 languages. Join 100.000+ eye care specialists using Smart Optometry for eye examinations! Why should your customers undergo the same tests they always go through when they have their eyes tested? Why should this advanced industry stick with old and outdated practices? Smart Optometry includes 15 TESTS are available for FREE: – Colour Vision – Contrast – Visual Acuity – Worth Four Dot – Schober – OKN Stripes – Flourescin Light – Red Desaturation – Hirschberg – Accommodation – Duochrome – Aniseikonia – Amsler Grid – MEM Retinoscopy – Visual Acuity + To help you make your work simpler, we also included 2 CALCULATORS: – Vertex Conversion – Visual Acuity Conversion Because we know language barrier can be a problem, we localised our application to 11 LANGUAGES: English, Spanish, German, French, Russian, Italian, Polish, Norwegian, Czech, Croatian and Slovenian! Want your language added? Let us know at: info@smart-optometry.com. Still not convinced? Read what sets us apart! Our solution is SIMPLE to use! Eye screening and testing shouldn’t be difficult and inconvenient for neither practitioner or customer! Smart Optometry application is very simple to use: just select the test, read through short guidelines for performing the test, execute it and let our application give you the basic diagnosis – final result or point you in the direction of possible problems that need more thorough examinations! Tests are FAST! While you are filling out paperwork for a patient, he or she can already test his or her eyesight with basic tests provided by Smart Optometry application. There is no logistics involved in performing the tests: just pick up your iPad and test-away! Results provided are PRECISE and reliable! Eye testing and screening often requires eye-care professionals to make calculations – giving the room for error. Eliminate this risk with precise calculations and interpretations done by our Smart Optometry application. Our tests are as precise if not more than the currently used on-the-wall testing equipment. All tests are INTERACTIVE and fun! Wouldn’t it be easier to let patients do the things you ask them, rather than try to explain what they see to you? Smart Optometry application is uniquely interactive: user presses buttons, draws on the screen and this way provides precise results – while having fun! Interactive handling with the Smart Optometry application also enables it to give you result interpretations.

Screenshots

Color Blindness Checker4 screens
Smart Optometry4 screens

Verdict

The call

The clearest difference is in-app purchases: Color Blindness Checker at none against Smart Optometry's 10. Color Blindness Checker also leads on rating (4.7 vs 4.4). Smart Optometry's advantage is update cadence (every 4 months vs every 8 months) and review sentiment (42% vs 33%). On price, ads 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. Smart Optometry sells 10 in-app purchases, starting at $2.99 per month. Color Blindness Checker asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Color Blindness Checker holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 113 and 529 respectively. Written reviews complicate that: 33% of Color Blindness Checker's written reviews are positive against 42% of Smart Optometry's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Color Blindness Checker ships an update every 8 months, Smart Optometry every 4 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
Color Blindness Checker versus Smart Optometry: the parameters behind the verdict, then further details
ParameterColor Blindness CheckerSmart Optometry
PriceFreeFree
Rating4.7 (113 ratings) — better4.4 (529 ratings)
Positive reviews33.3% of reviews42.3% of reviews — better
Number of ratings113529 — better
Update frequencyEvery 8 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613 — better
Further details — not scored
Size33 MB28 MB
Age rating4+12+
DeveloperStefan ColletteHundred Vision d.o.o.

Customer experience

Color Blindness Checker

All ratings67 ratings
Positive92.5%
Neutral6.0%
Negative1.5%
Written reviews6 reviews
Positive33.3%
Neutral33.3%
Negative33.3%

Smart Optometry

All ratings529 ratings
Positive83.9%
Neutral4.5%
Negative11.5%
Written reviews52 reviews
Positive42.3%
Neutral7.7%
Negative50.0%

Bugs and requests

Color Blindness Checker

Not enough reviews yet to summarise bugs or requests.

Smart Optometry

Reported bugs

5 issues
  • App crashes on startup
  • App closes automatically after login
  • App stops working after update
  • Tests demand payment for Pro version
  • Visual acuity unit converter plus button not working

Requested features

5 requests
  • Update visual acuity unit converter plus button
  • Add inches option for measurement
  • Provide explanations for test procedures and expected results
  • Make Arabic language available
  • Allow calibration of acuity test for different distances

In-app purchases

None

Color Blindness Checker

No in-app purchases

10 purchases

Smart Optometry

Subscriptions2
  • PRO Monthly Subscription$2.991 Month
  • PRO Yearly Subscription$22.991 Year
One-time8
  • Visual Acuity + Test$1.99
  • Red Desaturation Test$1.99
  • Generous Tip$4.99
Show 5 more
  • Generous Tip!$4.99
  • Smart Optometry PRO$9.99
  • PRO Bundle$9.99
  • Massive Tip!$9.99
  • Amazing Tip!$14.99

Questions

Is Color Blindness Checker free?
Color Blindness Checker is free to download, with no in-app purchases.
Is Smart Optometry free?
Smart Optometry is free to download, with in-app purchases available.
Which has better reviews, Color Blindness Checker or Smart Optometry?
Color Blindness Checker is rated higher. Color Blindness Checker averages 4.7 out of 5 from 113 ratings, while Smart Optometry averages 4.4 from 529 ratings.
Do Color Blindness Checker or Smart Optometry have ads?
Neither Color Blindness Checker nor Smart Optometry shows ads.
Which is updated more often, Color Blindness Checker or Smart Optometry?
Color Blindness Checker ships an update every 8 months, and Smart Optometry every 4 months. Most recently, Color Blindness Checker was updated on October 23, 2026 and Smart Optometry on October 24, 2026.

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