# Test Zraku vs Chart2020 Lite

The clearest difference is in-app purchases: Test Zraku at none against Chart2020 Lite's 4. Test Zraku also leads on review sentiment (23% vs 0%) and device support (3 vs 1). On price, update cadence and ads there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Test Zraku | Chart2020 Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/chart2020-lite/id1364522406/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **22.9% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | **Free** | Subscription |
| Size | 11 MB | 58 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lenka Tuzova](https://appshunter.io/developer/1261288511) | [Shemesh Health Solutions PTY Ltd](https://appshunter.io/developer/578849338) |

## What reviewers say

### Test Zraku

[App page](https://appshunter.io/ios/app/test-zraku/id563884534)

Assess your vision with simple tests for common issues like myopia, farsightedness, and astigmatism. Submit your results to specialists for personalized advice on correction or treatment. Available in multiple languages.

**Highlights:** Vision acuity test, Myopia test, Farsightedness test, Color vision test, Astigmatism test, Submit results to specialists

**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 Test Zraku free?

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

### Is Chart2020 Lite free?

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

### Do Test Zraku or Chart2020 Lite have ads?

Neither Test Zraku nor Chart2020 Lite shows ads.

### Which is updated more often, Test Zraku or Chart2020 Lite?

Test Zraku ships an update every 3 months, and Chart2020 Lite every 3 months. Most recently, Test Zraku was updated on November 1, 2026 and Chart2020 Lite on November 2, 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.*