Comparison

E2 EDID vs ROE Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Calculates VESA values
  • Creates custom EDID resolutions
  • Supports Barco E2 & S3
  • Reduces system resources
  • Optimized for LED displays
Features
Read full description

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!

About

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.

Highlights
  • Ballast calculation
  • Pixel and resolution calculation
  • Power requirement analysis
  • Technical calculations for LED screens
  • On-site and preparation tools
Features
Read full description

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

E2 EDID1 screens
ROE Calculator4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
E2 EDID versus ROE Calculator: the parameters behind the verdict, then further details
ParameterE2 EDIDROE Calculator
Price$1.99Free — better
Rating5.0 (4 ratings) — better4.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings4 — better1
Update frequencyEvery 7 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.1
Further details — not scored
Size7 MB29 MB
Age rating4+4+
DeveloperJeffrey LanghorstROE Visual Co., Ltd

Customer experience

E2 EDID

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

ROE Calculator

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

E2 EDID

No in-app purchases

None

ROE Calculator

No in-app purchases

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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