# Chart2020 Lite vs Snellen test

The clearest difference is price: Chart2020 Lite at Free against Snellen test's $0.99. Snellen test's advantage is in-app purchases (none vs 4) and device support (3 vs 1). On review sentiment, update cadence, ads and iOS requirement there is nothing between them.

Chart2020 Lite is free to download; Snellen test costs $0.99 up front. Chart2020 Lite sells 4 in-app purchases, starting at $7.99 per 7 days. Snellen test asks for nothing beyond the download.

Chart2020 Lite ships an update every 3 months, Snellen test every 4 months. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Chart2020 Lite | Snellen test |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/chart2020-lite/id1364522406/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Subscription | **Paid** |
| Size | 58 MB | 3 MB |
| Requires iOS | **12.0** | 13.2 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shemesh Health Solutions PTY Ltd](https://appshunter.io/developer/578849338) | [Oleg Drobyshev](https://appshunter.io/developer/607614659) |

## 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 |


### Snellen test

[App page](https://appshunter.io/ios/app/snellen-test/id1514134289)

This app uses augmented reality to display a Snellen eye chart for visual acuity testing. It allows users to adjust the chart's size and position from a distance, simulating a professional eye exam. Ideal for quick vision checks at home.

**Highlights:** Augmented reality Snellen chart, Adjustable chart size and position, Remote control via device camera, Distance simulation for testing, Customizable display options

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chart2020 Lite free?

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

### Is Snellen test free?

Snellen test costs $0.99, with no in-app purchases.

### Do Chart2020 Lite or Snellen test have ads?

Neither Chart2020 Lite nor Snellen test shows ads.

### Which is updated more often, Chart2020 Lite or Snellen test?

Chart2020 Lite ships an update every 3 months, and Snellen test every 4 months. Most recently, Chart2020 Lite was updated on June 1, 2026 and Snellen test on September 9, 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.*