Comparison

Chart2020 Lite vs SMW Pro

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

Head to head
About

Chart2020 Lite

This app provides a digital eye chart with various testing options, including different chart types and masking features. It offers remote control capabilities via a companion iPhone app or an optional Bluetooth remote, making it suitable for professional and home use.

Highlights
  • Multiple chart types (Sloan/Snellen, Balancing, Astigmatism)
  • Customizable testing distance
  • Variety of letter/number/symbol sets
  • Masking and randomization options
  • Companion iPhone app for remote control
  • Optional Bluetooth remote control
Features
Read full description

Chart Types * Sloan / Snellen Charts * Balancing Charts * Astigmatism Charts Chart Features * Set exact testing testing distance * Quickly switch to near distance testing with distance selector * Letters, Numbers, Kids, E, C, HOTV, 6 Global Fonts * 4 Masking options * Randomize letter set Controllers * Control direct on the iPad * Use the companion iPhone app * See the displayed letters on the iPhone (no neck turning) * Control every feature from the iPhone * Order the Bluetooth Remote Control to control with a 6 button controller Uses * Ophthalmologist and Optometrists * Completely mobile for school testing * Emergency Room * Functional Evaluation Capacity for Companies * Home Use * Students The Chart2020 iPad App comes with a 30 day free trial. After this period you may purchase an auto-renewing subscription through an In-App Purchase. (If you do not maintain a subscription you can only use the App for thirty days and then it will expire) • Auto-renewable subscription • 1 month ($29.99) / 1 Year ($199.99) • Your subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration selected) unless auto-renew is turned off at least 24 hours before the end of the current period. • Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your iTunes Account Settings after purchase. http://chart2020.com/privacy-policy https://www.chart2020.com/terms-of-use

About

SMW Pro

This tool simulates visual impairments caused by eye diseases, allowing users to understand the daily challenges faced by affected individuals. It includes ophthalmologist-familiar tools for creating realistic visual defect simulations based on clinical data. The app facilitates communication between patients and doctors by providing a new perspective on visual symptoms.

Highlights
  • Simulate visual impairments from eye diseases
  • Evaluate daily life restrictions for visually impaired
  • Create realistic simulations with clinical data
  • Includes ophthalmologist examination tools
  • Graphic editor for visual symptoms
  • Generate unique IDs for online simulations
Features
Read full description

“See My World Pro”, abbreviated as “SMW Pro” – a special tool for immersing in the world of people with various visual impairments. SMW Pro allows you to not only see the features of the manifestations of eye diseases (as these people see) but also evaluate the degree of restriction that they face in everyday life: what a glass of vine on a table looks like, shelves in a store, school board and much more. SMW Pro includes a set of tools that every ophthalmologist is familiar with (examination tests, grids etc.) this allows you to create the realistic simulations based on the results of clinical examinations of real people. The App has a simple structure include user account, cases (people with visual impairments), simulations with clinical descriptions like in science articles (clinical examinations) and graphic redactor to create the visual symptoms. Moreover, you can create a usable examination test with overlay the degrees grid to draw the visual defects with a 1:1 scale. All online simulations created in SMW Pro have a unique ID that can be used in science articles, presentations and for sending to colleagues. You can personalize SMW-cases using account information and embedding in simulations logo. SMW Pro is another look at the details of visual symptoms of eye diseases and a new way of communication between patient a doctor. --- *Disclaimer: This App is not intended for replacing the advice of a trained medical doctor. Laboratory Sensor-Tech disclaims any liability for the decisions you make based on this information, which is provided to you on a general information basis only and not as a substitute for personalized medical advice. If you have any concerns, consult with your doctor. --- SeeMyWorld Pro has subscription plans, where users can experience all features of the app, with no interruption and support our development work. Payment be charged to Apple ID Account at the confirmation purchase. All subscription plans automatically renew unless auto-renew is canceled at the latest 24 hours before the end of the current. The account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. For more information, please visit our terms of USE & Privacy Policy: http://smwpro.com/terms_of_use http://smwpro.com/privacy_policy

Screenshots

SMW Pro4 screens

Verdict

The call

The clearest difference is rating: SMW Pro at 5.0 against Chart2020 Lite's 1.0. SMW Pro also leads on update cadence (every 2 weeks vs every 3 months) and device support (3 vs 1). On price, ratings volume, 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. Chart2020 Lite sells 4 in-app purchases, starting at $7.99 per 7 days and SMW Pro sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

SMW Pro holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Chart2020 Lite ships an update every 3 months, SMW Pro every 2 weeks. The most recent releases landed on June 1, 2026 and July 7, 2026 respectively.

Scorecard3 real differences · 7 level
Chart2020 Lite versus SMW Pro: the parameters behind the verdict, then further details
ParameterChart2020 LiteSMW Pro
PriceFreeFree
Rating1.0 (1 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings11
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionSubscription
DevicesiPadiPhone, iPad, iPod — better
Requires iOS12.011.3 — better
Further details — not scored
Size58 MB81 MB
Age rating4+17+
DeveloperShemesh Health Solutions PTY LtdLABORATORY SENSOR-TECH

Customer experience

Chart2020 Lite

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

SMW Pro

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Chart2020 Lite

Subscriptions4
  • Weekly Subscription3 Days trial$7.997 Days
  • Weekly Subscription1 Month trial$7.997 Days
  • Monthly Subscription1 Month trial$19.991 Month
Show 1 more
  • Yearly Subscription1 Month trial$149.991 Year
2 purchases

SMW Pro

Subscriptions2
  • Monthly bill7 Days trial$6.991 Month
  • Yearly bill7 Days trial$67.991 Year

Questions

Is Chart2020 Lite free?
Chart2020 Lite is free to download, with in-app purchases available.
Is SMW Pro free?
SMW Pro is free to download, with in-app purchases available.
Which has better reviews, Chart2020 Lite or SMW Pro?
SMW Pro is rated higher. Chart2020 Lite averages 1.0 out of 5 from 1 ratings, while SMW Pro averages 5.0 from 1 ratings.
Do Chart2020 Lite or SMW Pro have ads?
Neither Chart2020 Lite nor SMW Pro shows ads.
Which is updated more often, Chart2020 Lite or SMW Pro?
Chart2020 Lite ships an update every 3 months, and SMW Pro every 2 weeks. Most recently, Chart2020 Lite was updated on June 1, 2026 and SMW Pro on July 7, 2026.

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