Chart2020 Lite vs SMW Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
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.
- 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
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“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
Verdict
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
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.
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.
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.
| Parameter | Chart2020 Lite | SMW Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | Subscription |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 | 11.3 — better |
| Further details — not scored | ||
| Size | 58 MB | 81 MB |
| Age rating | 4+ | 17+ |
| Developer | Shemesh Health Solutions PTY Ltd | LABORATORY SENSOR-TECH |
Customer experience
Chart2020 Lite
SMW Pro
In-app purchases
Chart2020 Lite
- Weekly Subscription3 Days trial$7.997 Days
- Weekly Subscription1 Month trial$7.997 Days
- Monthly Subscription1 Month trial$19.991 Month
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- Yearly Subscription1 Month trial$149.991 Year
SMW Pro
- Monthly bill7 Days trial$6.991 Month
- Yearly bill7 Days trial$67.991 Year









