# Worth 4 Dot vs Sharp Chart 2020 LogMAR Chart

The clearest difference is in-app purchases: Worth 4 Dot at none against Sharp Chart 2020 LogMAR Chart's 4. Worth 4 Dot also leads on iOS requirement (12.2 vs 15.6). Sharp Chart 2020 LogMAR Chart's advantage is update cadence (every 3 months vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. Sharp Chart 2020 LogMAR Chart sells 4 in-app purchases, starting at $1.99 per 7 days. Worth 4 Dot asks for nothing beyond the download.

Worth 4 Dot ships an update every 8 months, Sharp Chart 2020 LogMAR Chart every 3 months. The most recent releases landed on September 26, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Worth 4 Dot | Sharp Chart 2020 LogMAR Chart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sharp-chart-2020-logmar-chart/id1500513811/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 23 MB |
| Requires iOS | **12.2** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Neovix, Inc.](https://appshunter.io/developer/1106229777) | [Optical Directions Consulting](https://appshunter.io/developer/309309098) |

## What reviewers say

### Worth 4 Dot

[App page](https://appshunter.io/ios/app/worth-4-dot-suppression-test/id1484471009)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sharp Chart 2020 LogMAR Chart

[App page](https://appshunter.io/ios/app/sharp-chart-2020-logmar-chart/id1500513811)

This app projects a visual acuity chart onto a large screen for eye examinations. It offers various optotypes and visual acuity nomenclatures, with advanced features and additional charts available through in-app purchases. It can also be controlled via voice commands and integrated with smart home lighting.

**Highlights:** Projected letter chart via AirPlay, Multiple optotypes and visual acuity nomenclatures, Customizable charts with imported images/videos, Dark Mode for consulting rooms, Siri voice control, HomeKit lighting integration

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access All Areas | $1.99 | per 7 days |
| Access All Areas | $3.99 | per month |
| Access All Areas | $22.49 | per year |
| Access All Areas | $94.99 | one-time |


## Frequently asked questions

### Is Worth 4 Dot free?

Worth 4 Dot is free to download, with no in-app purchases.

### Is Sharp Chart 2020 LogMAR Chart free?

Sharp Chart 2020 LogMAR Chart is free to download, with in-app purchases available.

### Do Worth 4 Dot or Sharp Chart 2020 LogMAR Chart have ads?

Neither Worth 4 Dot nor Sharp Chart 2020 LogMAR Chart shows ads.

### Which is updated more often, Worth 4 Dot or Sharp Chart 2020 LogMAR Chart?

Worth 4 Dot ships an update every 8 months, and Sharp Chart 2020 LogMAR Chart every 3 months. Most recently, Worth 4 Dot was updated on September 26, 2026 and Sharp Chart 2020 LogMAR Chart on September 30, 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.*