E2 EDID vs ROE Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
E2 EDID
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.
- Calculates VESA values
- Creates custom EDID resolutions
- Supports Barco E2 & S3
- Reduces system resources
- Optimized for LED displays
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This app is made for Barco E2 & S3 operators, it's a utility that calculates the VESA values so you are able to create custom EDID resolutions on the inputs and outputs of the Event Master devices. This way you are able to reduce system resources in many cases, It´s excellent for LED display configurations!
ROE Calculator
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.
- Ballast calculation
- Pixel and resolution calculation
- Power requirement analysis
- Technical calculations for LED screens
- On-site and preparation tools
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ROE Visual is proud to announce the release of its groundbreaking ROE Calculator APP. This cutting-edge application is a complete upgrade of the previous ballast calculator and has added many new and exciting options to create essential technical calculations for your LED screens. With a comprehensive suite of tools that include ballast calculation, pixel and resolution calculation, power requirement analysis, and much more, the ROE Calculator APP will become the ultimate tool for LED technicians, whether on-site or in the preparation stages of production.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | E2 EDID | ROE Calculator |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (4 ratings) — better | 4.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 7 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 7 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Jeffrey Langhorst | ROE Visual Co., Ltd |
Customer experience
E2 EDID
ROE Calculator
In-app purchases
E2 EDID
No in-app purchases
ROE Calculator
No in-app purchases







