# ROE Calculator vs LedPort

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.

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

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

## The numbers

| Metric | ROE Calculator | LedPort |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/roe-calculator/id6443583117/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | Free | — |
| Size | 29 MB | 22 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ROE Visual Co., Ltd](https://appshunter.io/developer/966467215) | [ORHAN SUT](https://appshunter.io/developer/6806333162) |

## What reviewers say

### 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


### LedPort

[App page](https://appshunter.io/ios/app/ledport/id6806333160)

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*