# ROE Calculator vs AV Tech Case

The clearest difference is in-app purchases: ROE Calculator at none against AV Tech Case's 1. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. AV Tech Case sells 1 one-off in-app purchase. ROE Calculator asks for nothing beyond the download.

ROE Calculator ships an update every 6 weeks, AV Tech Case every 5 weeks. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | ROE Calculator | AV Tech Case |
| --- | --- | --- |
| 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 | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 29 MB | 29 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ROE Visual Co., Ltd](https://appshunter.io/developer/966467215) | [Trotta Consulting ltd](https://appshunter.io/developer/1831034940) |

## 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


### AV Tech Case

[App page](https://appshunter.io/ios/app/av-tech-case-offline-tools/id6755079455)

A comprehensive offline toolkit for audio-visual professionals. It offers specialized calculators and tools for sound, video, and lighting setups, ensuring efficient and accurate configurations for live events and installations without needing an internet connection.

**Highlights:** Offline audio tools (delay, line array), Video projection blend calculator, DMX address and switch calculators, Cable load and power references, Timer and notes functionality, AV Bingo for crew downtime

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ads Off | $4.99 | one-time |


## Frequently asked questions

### Is ROE Calculator free?

ROE Calculator is free to download, with no in-app purchases.

### Is AV Tech Case free?

AV Tech Case is free to download, with in-app purchases available.

### Do ROE Calculator or AV Tech Case have ads?

Neither ROE Calculator nor AV Tech Case shows ads.

### Which is updated more often, ROE Calculator or AV Tech Case?

ROE Calculator ships an update every 6 weeks, and AV Tech Case every 5 weeks. Most recently, ROE Calculator was updated on October 10, 2026 and AV Tech Case on October 15, 2026.

---

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