# Chart2020 Lite vs SMW Pro

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.

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.

## The numbers

| Metric | Chart2020 Lite | SMW Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/chart2020-lite/id1364522406/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smw-pro/id1463592210/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Subscription | Subscription |
| Size | 58 MB | 81 MB |
| Requires iOS | 12.0 | **11.3** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Shemesh Health Solutions PTY Ltd](https://appshunter.io/developer/578849338) | [LABORATORY SENSOR-TECH](https://appshunter.io/developer/1439044582) |

## What reviewers say

### Chart2020 Lite

[App page](https://appshunter.io/ios/app/chart2020-lite/id1364522406)

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:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $7.99 | per 7 days |
| Weekly Subscription | $7.99 | per 7 days |
| Monthly Subscription | $19.99 | per month |
| Yearly Subscription | $149.99 | per year |


### SMW Pro

[App page](https://appshunter.io/ios/app/smw-pro/id1463592210)

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:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly bill | $6.99 | per month |
| Yearly bill | $67.99 | per year |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*