CET vs ROE Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CET
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CET8 app is an app that manages HBOX lighting towers from your smartphone. Using CET8 app, your smartphone establishes a secure wireless connection with any CET8 controller located in the installation, allowing you to remotely control and view information up to 100 meters away. CET8 app is a user friendly application thanks to it graphic interface that facilitates the navigation through the different options of HBOX lighting tower. Features: * Start and stop generator. * Light on and off command. * Mast up and down action. * Brightness control. * Display electrical and mechanical parameters. * Error information. Download the app and test it a new way to manage you lighting tower.
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 update cadence: ROE Calculator at every 6 weeks against CET's every 4 months. CET's advantage is iOS requirement (12.0 vs 15.1). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CET ships an update every 4 months, ROE Calculator every 6 weeks. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.
| Parameter | CET | ROE Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 31 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | HIMOINSA SL | ROE Visual Co., Ltd |
In-app purchases
CET
No in-app purchases
ROE Calculator
No in-app purchases
