Comparison

ROE Calculator vs LedPort

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

Head to head
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.

About

LedPort

Read full description

LedPort is a field tool built for technical teams installing LED screens. Enter the screen size and pixel pitch, and it returns every number the installation needs. WHAT IT CALCULATES - Resolution and total pixel count - Average and maximum power draw (kW and amps) - Total area and weight - Required panel and port count - Suggested processor model - Viewing distance and brightness range WIRING DIAGRAM Signal and power runs are generated automatically. Each port is colour coded so you can see which panels it carries, along with the number of Cat6 and C16 cables required. Not happy with the layout? Edit it by hand and assign panels to any run by tapping. PROJECT MANAGEMENT Save projects and reopen them later. Export all calculations and diagrams as a PDF. Whoever receives the PDF can open it in LedPort and restore the project. SUPPORTED CONFIGURATIONS Pixel pitch: 1.6 / 1.9 / 2.6 / 2.9 / 3.9 Panels: 50x50, 50x100 and custom sizes Indoor and outdoor Mixed panel runs Built for teams working with Novastar control systems. Turkish and English interface. No internet connection required. No data is collected; everything stays on your device.

Screenshots

ROE Calculator4 screens
LedPort3 screens

Verdict

The call

The clearest difference is update cadence: LedPort at daily against ROE Calculator's every 6 weeks. On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ROE Calculator ships an update every 6 weeks, LedPort daily. The most recent releases landed on October 10, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
ROE Calculator versus LedPort: the parameters behind the verdict, then further details
ParameterROE CalculatorLedPort
PriceFreeFree
Rating4.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 weeksDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size29 MB22 MB
Age rating4+4+
DeveloperROE Visual Co., LtdORHAN SUT

In-app purchases

None

ROE Calculator

No in-app purchases

None

LedPort

No in-app purchases

Questions

Is ROE Calculator free?
ROE Calculator is free to download, with no in-app purchases.
Is LedPort free?
LedPort is free to download, with no in-app purchases.
Do ROE Calculator or LedPort have ads?
Neither ROE Calculator nor LedPort shows ads.
Which is updated more often, ROE Calculator or LedPort?
ROE Calculator ships an update every 6 weeks, and LedPort daily. Most recently, ROE Calculator was updated on October 10, 2026 and LedPort on October 31, 2026.

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