# SmartDR vs Chart2020 Lite

The clearest difference is rating: SmartDR at 4.0 against Chart2020 Lite's 1.0. SmartDR also leads on in-app purchases (none vs 4) and update cadence (monthly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Chart2020 Lite sells 4 in-app purchases, starting at $7.99 per 7 days. SmartDR asks for nothing beyond the download.

SmartDR holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

SmartDR ships an update monthly, Chart2020 Lite every 3 months. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SmartDR | Chart2020 Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/smartdr/id662023098/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/chart2020-lite/id1364522406/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | **Free** | Subscription |
| Size | 178 MB | 58 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPad | iPad |
| Age rating | 12+ | 4+ |
| Developer | [MEDIZS Inc.](https://appshunter.io/developer/662023101) | [Shemesh Health Solutions PTY Ltd](https://appshunter.io/developer/578849338) |

## What reviewers say

### SmartDR

[App page](https://appshunter.io/ios/app/smartdr/id662023098)

This application digitalizes a phoropter for ophthalmologists and optometrists. It offers both digital and manual operation modes, wireless data communication, and integrated patient data management. Easily share patient measurements via email or print them using AirPrint.

**Highlights:** Digital and manual phoropter modes, Wireless data communication via Bluetooth, Integrated measurement data management, Email patient data via Wi-Fi, AirPrint data printing, Remote control of visual acuity charts

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is SmartDR free?

SmartDR is free to download, with no in-app purchases.

### Is Chart2020 Lite free?

Chart2020 Lite is free to download, with in-app purchases available.

### Which has better reviews, SmartDR or Chart2020 Lite?

SmartDR is rated higher. SmartDR averages 4.0 out of 5 from 4 ratings, while Chart2020 Lite averages 1.0 from 1 ratings.

### Do SmartDR or Chart2020 Lite have ads?

Neither SmartDR nor Chart2020 Lite shows ads.

### Which is updated more often, SmartDR or Chart2020 Lite?

SmartDR ships an update monthly, and Chart2020 Lite every 3 months. Most recently, SmartDR was updated on October 11, 2026 and Chart2020 Lite on October 14, 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.*