# AmblyoPlay vs Chart2020 Lite

The clearest difference is review sentiment: AmblyoPlay at 88% against Chart2020 Lite's 0%. AmblyoPlay also leads on rating (4.0 vs 1.0) and in-app purchases (none vs 4). On price, ads, device support and iOS requirement there is nothing between them.

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

AmblyoPlay holds the better App Store score, 4.0 against 1.0. That said, the two scores are not equally well evidenced: AmblyoPlay has 21 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 88% of AmblyoPlay's written reviews are positive against 0% of Chart2020 Lite's.

AmblyoPlay ships an update every 5 weeks, Chart2020 Lite every 3 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | AmblyoPlay | Chart2020 Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (21 ratings)](https://appshunter.io/ios/app/amblyoplay/id1211714324/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/chart2020-lite/id1364522406/reviews) |
| Number of ratings | **21** | 1 |
| Positive reviews | **88.2% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | **Free** | Subscription |
| Size | 426 MB | 58 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hundred Vision d.o.o.](https://appshunter.io/developer/1053891265) | [Shemesh Health Solutions PTY Ltd](https://appshunter.io/developer/578849338) |

## What reviewers say

### AmblyoPlay

[App page](https://appshunter.io/ios/app/amblyoplay/id1211714324)

This app provides vision therapy through engaging games designed to stimulate the weaker eye and improve cooperation between both eyes. It's scientifically proven to be most effective for ages 4-14, offering a personalized program that adapts to the user's progress.

**Highlights:** Game-based vision therapy, Stimulates weaker eye, Improves eye cooperation, Personalized therapy programs, Progress tracking, Daily 30-minute sessions

**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 AmblyoPlay free?

AmblyoPlay 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, AmblyoPlay or Chart2020 Lite?

AmblyoPlay is rated higher. AmblyoPlay averages 4.0 out of 5 from 21 ratings, while Chart2020 Lite averages 1.0 from 1 ratings.

### Do AmblyoPlay or Chart2020 Lite have ads?

Neither AmblyoPlay nor Chart2020 Lite shows ads.

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

AmblyoPlay ships an update every 5 weeks, and Chart2020 Lite every 3 months. Most recently, AmblyoPlay was updated on November 2, 2026 and Chart2020 Lite on November 2, 2026.

---

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