Comparison

Smart Optometry vs Ishihara Color Blind Test

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

Head to head
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 Why should this advanced industry stick with old and outdated practices?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.

About

Ishihara Color Blind Test

Features
Read full description

Ishihara Color Blind Test is a free app designed for initial color vision screening and awareness. It provides multiple collections of Ishihara plates for both exploration and self-testing. FEATURES * 38/24/14 high-quality plates (SVG+) created by Martin Krzywinski / Canada's Michael Smith Genome Sciences Centre * Additional test contents with plates generated using Ishihara Plate Generator: https://franciscouzo.github.io/ishihara/ * Test mode with result summary and general indication of possible color vision deficiency * Simple and intuitive navigation (touch or physical keyboard) * Optionally override the default settings of each test content to always randomize plates, randomize buttons and use all plates. * The plate size automatically scales to match the screen width by default, with an option to use an adjustable fixed size if preferred. KEYBOARD SUPPORT * [Home] : First Plate * [←] : Previous * [→] : Next * [End] : Last * [K] : Start Test * [S] : Stop and Summarize Results * [Num] keys : Select the right answer using a num key according to the num badge of the answer buttons IMPORTANT NOTICE This app is intended for preliminary screening and educational purposes only. Ishihara plates displayed on digital screens cannot replace professionally administered colour vision testing. Variations in LCD/LED displays, brightness, colour calibration, and ambient lighting can affect colour perception and may lead to inaccurate or inconsistent results. By using this app, you acknowledge its limitations and understand that results are indicative only. This app is designed to raise awareness and support early self-screening, not to provide medical advice, diagnosis, or certification. If you have difficulty identifying numbers or receive unclear results, do not rely on this app for diagnosis. Please consult an optometrist or ophthalmologist for a proper clinical assessment, especially if colour vision is important for work, study, or daily activities. PRIVACY This app does not collect, store, or transmit any personal data.

Screenshots

Smart Optometry4 screens
Ishihara Color Blind Test4 screens

Verdict

The call

The clearest difference is in-app purchases: Ishihara Color Blind Test at none against Smart Optometry's 10. Smart Optometry's advantage is iOS requirement (13 vs 15.0). On price, update cadence, 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. Ishihara Color Blind Test asks for nothing beyond the download.

UpkeepUpdate frequency

Smart Optometry ships an update every 4 months, Ishihara Color Blind Test every 2 months. The most recent releases landed on October 29, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 8 level
Smart Optometry versus Ishihara Color Blind Test: the parameters behind the verdict, then further details
ParameterSmart OptometryIshihara Color Blind Test
PriceFreeFree
Rating4.4 (529 ratings) — better—
Positive reviews42.3% of reviews—
Number of ratings529 — better—
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13 — better15.0
Further details — not scored
Size28 MB4 MB
Age rating12+4+
DeveloperHundred Vision d.o.o.zijian huang

Bugs and 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

Ishihara Color Blind Test

Not enough reviews yet to summarise bugs or requests.

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
None

Ishihara Color Blind Test

No in-app purchases

Questions

Is Smart Optometry free?
Smart Optometry is free to download, with in-app purchases available.
Is Ishihara Color Blind Test free?
Ishihara Color Blind Test is free to download, with no in-app purchases.
Do Smart Optometry or Ishihara Color Blind Test have ads?
Neither Smart Optometry nor Ishihara Color Blind Test shows ads.
Which is updated more often, Smart Optometry or Ishihara Color Blind Test?
Smart Optometry ships an update every 4 months, and Ishihara Color Blind Test every 2 months. Most recently, Smart Optometry was updated on October 29, 2026 and Ishihara Color Blind Test on October 7, 2026.

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