Comparison

Eye Chart Pro 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

Eye Chart Pro

This app provides a randomized visual acuity exam, functioning like a projector-based eye chart. It's useful for quick vision screenings, house visits, or when patients may have memorized standard charts. The app offers both Snellen and Tumbling E charts with randomization options.

Highlights
  • Randomizable Snellen Chart
  • Randomizable Tumbling E Chart
  • Randomize entire chart or line by line
  • Smooth interface with animations
  • Basic remote control
  • Metric / Feet functionality
Features
Read full description

**A Top Downloaded Medical App - Over 500,000 Installs** Eye Chart Pro is a clinically-reviewed, randomizable visual acuity exam. It’s remote-controlled, pleasant for patients and providers, and FREE. Similar chart projector functionality usually costs over $1000. Check out the last screenshot to see more information on the clinical reviews in peer-reviewed publications and their conclusions. Useful for: - Triaging - House visits - Patients who have memorized the office chart Features: - Randomizable Snellen Chart - Randomizable Tumbling E Chart - Randomize the whole chart or one line at a time - Smooth interface with animations - Basic remote - Metric / Feet functionality Description: Eye Chart Pro is a generator for randomized Snellen and Tumbling E charts to offer a rough but useful screen of visual acuity. Simply press a button to randomize the entire eye chart, or touch an individual line of the chart to randomize that line. Tap another button to toggle between Snellen and Tumbling E charts. Eye care professionals around the world use Snellen Eye Charts to measure visual acuity. However, patients often memorize the classic Snellen chart, leading to less accurate vision measurements. Enter Eye Chart Pro! Though this unique, notebook sized randomizable eye chart should not be used as a primary visual acuity measuring tool, it can provide a handy rough vision screen when a chart is not available, or it can be used to complement static, wall-based Snellen charts. Eye Chart Pro was made with the best of intentions, and we hope to continue improving it. Your feedback is appreciated! Here is a summary of clinical evaluations we have found: ETDRS Chart on Eye Chart Pro on iPad: “Validation of the visual acuity iPad app Eye Chart Pro compared to the standard Early Treatment Diabetic Retinopathy Study chart in a low-vision population” Journal of Telemedicine and Telecare. Conclusion (summary quote): “The ETDRS chart function on the Eye Chart Pro application can reliably measure VA across a range, from normally sighted patients to those with low vision.” Sloan Chart on Eye Chart Pro on iPad: “The validity of visual acuity assessment using mobile technology devices in the primary care setting.” Australian Family Physician. Conclusion (summary quote): “The high level of agreement of visual acuity results between the Snellen wall chart and both mobile technology devices suggests that clinicians can use this technology with confidence in the primary care setting.” Tumbling E Chart on Eye Chart Pro on iPad: “A Pilot Trial of the Ipad Tablet Computer as a Portable Device for Visual Acuity Testing” Journal of Telemedicine and Telecare. Conclusion (summary quote): “Bland-Altman analysis revealed a mean difference (bias) of 0.02 logMAR units between the VA results from the iPad chart and the light-box chart, with 95% limits of agreement of -0.14 to 0.19.” We are not responsible for the above studies, so please check out the papers above if you have further questions.

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

Smart Optometry4 screens

Verdict

The call

The clearest difference is rating: Smart Optometry at 4.4 against Eye Chart Pro's 4.0. Smart Optometry also leads on ratings volume (529 vs 2) and device support (3 vs 1). Eye Chart Pro's advantage is review sentiment (53% vs 42%). On price, update cadence, ads and in-app purchases 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. Eye Chart Pro sells 11 one-off in-app purchases and Smart Optometry sells 10 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Smart Optometry holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: Smart Optometry has 529 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 53% of Eye Chart Pro'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

Eye Chart Pro ships an update every 3 months, Smart Optometry every 4 months. The most recent releases landed on July 27, 2026 and September 20, 2026 respectively.

Scorecard4 real differences · 6 level
Eye Chart Pro versus Smart Optometry: the parameters behind the verdict, then further details
ParameterEye Chart ProSmart Optometry
PriceFreeFree
Rating4.0 (2 ratings)4.4 (529 ratings) — better
Positive reviews53.0% of reviews — better42.3% of reviews
Number of ratings2529 — better
Update frequencyEvery 3 months — betterEvery 4 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPadiPhone, iPad, iPod — better
Requires iOS12.0 — better13
Further details — not scored
Size29 MB28 MB
Age rating4+12+
DeveloperManu LakkurHundred Vision d.o.o.

Customer experience

Eye Chart Pro

All ratings2 ratings
Positive50.0%
Neutral50.0%
Negative0.0%
Written reviews66 reviews
Positive53.0%
Neutral4.5%
Negative42.4%

Smart Optometry

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

Bugs and requests

Eye Chart Pro

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

11 purchases

Eye Chart Pro

One-time11
  • Amsler Grid in Portrait and Landscape.$9.99
  • Premium Home Edition of Eye Chart Pro$19.99
  • HOTV Chart$19.99
Show 8 more
  • Sloan Letters Chart$19.99
  • ETDRS Chart 1$39.99
  • Professional Version with ALL Features$39.99
  • Advanced Remote Control$39.99
  • All Charts$39.99
  • Sloan Duochrome Chart$39.99
  • Value Pack$59.99
  • Professional Package$199.99
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 Eye Chart Pro free?
Eye Chart Pro is free to download, with in-app purchases available.
Is Smart Optometry free?
Smart Optometry is free to download, with in-app purchases available.
Which has better reviews, Eye Chart Pro or Smart Optometry?
Smart Optometry is rated higher. Eye Chart Pro averages 4.0 out of 5 from 2 ratings, while Smart Optometry averages 4.4 from 529 ratings.
Do Eye Chart Pro or Smart Optometry have ads?
Neither Eye Chart Pro nor Smart Optometry shows ads.
Which is updated more often, Eye Chart Pro or Smart Optometry?
Eye Chart Pro ships an update every 3 months, and Smart Optometry every 4 months. Most recently, Eye Chart Pro was updated on July 27, 2026 and Smart Optometry on September 20, 2026.

Other comparisons