# Oculi vs Chart2020 Lite

The clearest difference is price: Chart2020 Lite at Free against Oculi's $1.99. Oculi's advantage is rating (3.0 vs 1.0) and in-app purchases (none vs 4). On review sentiment, ratings volume, update cadence and ads there is nothing between them.

Chart2020 Lite is free to download; Oculi costs $1.99 up front. Chart2020 Lite sells 4 in-app purchases, starting at $7.99 per 7 days. Oculi asks for nothing beyond the download.

Oculi holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Oculi ships an update every 6 months, Chart2020 Lite every 3 months. The most recent releases landed on September 2, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Oculi | Chart2020 Lite |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/oculi/id904445148/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/chart2020-lite/id1364522406/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | **Paid** | Subscription |
| Size | 36 MB | 58 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Buster Booth Company](https://appshunter.io/developer/543580193) | [Shemesh Health Solutions PTY Ltd](https://appshunter.io/developer/578849338) |

## What reviewers say

### Oculi

[App page](https://appshunter.io/ios/app/oculi/id904445148)

This application allows users to control desktop visual acuity software remotely. It enables the isolation of letters and rows, display of color blindness slides, and performance of low vision exams from a mobile device.

**Highlights:** Remote control of desktop software, Bluetooth and Wi-Fi connectivity, Isolate letters and rows, Display color blindness slides, Perform low vision exams

**Features:** macOS Compatibility, Vision Pro support

**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 Oculi free?

Oculi costs $1.99, with no in-app purchases.

### Is Chart2020 Lite free?

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

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

Oculi is rated higher. Oculi averages 3.0 out of 5 from 1 ratings, while Chart2020 Lite averages 1.0 from 1 ratings.

### Do Oculi or Chart2020 Lite have ads?

Neither Oculi nor Chart2020 Lite shows ads.

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

Oculi ships an update every 6 months, and Chart2020 Lite every 3 months. Most recently, Oculi was updated on September 2, 2026 and Chart2020 Lite on June 1, 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.*