# E2 EDID vs ROE Calculator

The clearest difference is price: ROE Calculator at Free against E2 EDID's $1.99. ROE Calculator also leads on update cadence (every 6 weeks vs every 7 months). E2 EDID's advantage is rating (5.0 vs 4.0) and ratings volume (4 vs 1). On review sentiment, ads, in-app purchases and device support there is nothing between them.

ROE Calculator is free to download; E2 EDID costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

E2 EDID holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

E2 EDID ships an update every 7 months, ROE Calculator every 6 weeks. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | E2 EDID | ROE Calculator |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/e2-edid/id1299073125/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/roe-calculator/id6443583117/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Monetization | Paid | **Free** |
| Size | 7 MB | 29 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeffrey Langhorst](https://appshunter.io/developer/1277293392) | [ROE Visual Co., Ltd](https://appshunter.io/developer/966467215) |

## What reviewers say

### E2 EDID

[App page](https://appshunter.io/ios/app/e2-edid/id1299073125)

This utility app calculates VESA values for Barco E2 & S3 operators. It enables the creation of custom EDID resolutions on Event Master device inputs and outputs, which can help reduce system resources, especially for LED display configurations.

**Highlights:** Calculates VESA values, Creates custom EDID resolutions, Supports Barco E2 & S3, Reduces system resources, Optimized for LED displays

**Features:** Vision Pro support

**In-app purchases:** none


### ROE Calculator

[App page](https://appshunter.io/ios/app/roe-calculator/id6443583117)

This application provides essential technical calculations for LED screens, including ballast, pixel, and power requirement analysis. It's designed to be the ultimate tool for LED technicians during on-site work and production preparation.

**Highlights:** Ballast calculation, Pixel and resolution calculation, Power requirement analysis, Technical calculations for LED screens, On-site and preparation tools

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is E2 EDID free?

E2 EDID costs $1.99, with no in-app purchases.

### Is ROE Calculator free?

ROE Calculator is free to download, with no in-app purchases.

### Which has better reviews, E2 EDID or ROE Calculator?

E2 EDID is rated higher. E2 EDID averages 5.0 out of 5 from 4 ratings, while ROE Calculator averages 4.0 from 1 ratings.

### Do E2 EDID or ROE Calculator have ads?

Neither E2 EDID nor ROE Calculator shows ads.

### Which is updated more often, E2 EDID or ROE Calculator?

E2 EDID ships an update every 7 months, and ROE Calculator every 6 weeks. Most recently, E2 EDID was updated on October 24, 2026 and ROE Calculator on October 10, 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.*