Comparison

Smart Optometry vs Calculate VA

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 Why should this advanced industry stick with old and outdated practices?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

Calculate VA

Instantly convert between common visual acuity measurements. This tool is designed for eye care professionals needing to fluidly switch between Snellen, Decimal, logMAR, and ETDRS Letter formats. Get accurate conversions with a single tap.

Highlights
  • Instant visual acuity conversions
  • Supports Snellen 20/20
  • Supports Snellen 6/6
  • Supports Decimal
  • Supports logMAR
  • Supports ETDRS Letters
Features
Read full description

Calculate VA gives you a quick and accurate way to easily convert between common measures of visual acuity. Conversions are made instantly when you enter one of the visual acuity measurements and press "Calculate". Choose from: * Snellen 20 * Snellen 6 * Decimal * logMAR * ETDRS Letters This is useful for any optometrist or ophthalmologist who needs to convert fluidly between all 5 of the common visual acuity measures.

Screenshots

Smart Optometry4 screens
Calculate VA1 screens

Verdict

The call

The clearest difference is review sentiment: Calculate VA at 100% against Smart Optometry's 42%. Calculate VA also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 10). Smart Optometry's advantage is ratings volume (529 vs 3) and update cadence (every 4 months vs every 11 months). 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. Calculate VA asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Calculate VA holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Smart Optometry has 529 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 42% of Smart Optometry's written reviews are positive against 100% of Calculate VA's.

UpkeepUpdate frequency

Smart Optometry ships an update every 4 months, Calculate VA every 11 months. Both last shipped on October 29, 2026.

Scorecard7 real differences · 3 level
Smart Optometry versus Calculate VA: the parameters behind the verdict, then further details
ParameterSmart OptometryCalculate VA
PriceFreeFree
Rating4.4 (529 ratings)5.0 (3 ratings) — better
Positive reviews42.3% of reviews100.0% of reviews — better
Number of ratings529 — better3
Update frequencyEvery 4 months — betterEvery 11 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13 — better16.6
Further details — not scored
Size28 MB1 MB
Age rating12+12+
DeveloperHundred Vision d.o.o.David Kramer

Customer experience

Smart Optometry

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

Calculate VA

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

Calculate VA

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

Calculate VA

No in-app purchases

Questions

Is Smart Optometry free?
Smart Optometry is free to download, with in-app purchases available.
Is Calculate VA free?
Calculate VA is free to download, with no in-app purchases.
Which has better reviews, Smart Optometry or Calculate VA?
Calculate VA is rated higher. Smart Optometry averages 4.4 out of 5 from 529 ratings, while Calculate VA averages 5.0 from 3 ratings.
Do Smart Optometry or Calculate VA have ads?
Neither Smart Optometry nor Calculate VA shows ads.
Which is updated more often, Smart Optometry or Calculate VA?
Smart Optometry ships an update every 4 months, and Calculate VA every 11 months. Most recently, Smart Optometry was updated on October 29, 2026 and Calculate VA on October 29, 2026.

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