ShowTool LD vs ROE Scanner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ShowTool LD
This app provides essential tools for lighting design and electrical calculations in theatre and film. It helps with beam angles, gel cutting, DMX addressing, power consumption, and network subnetting. Data syncs across devices via iCloud.
- Beam angle and throw calculations
- Gel cut and wastage estimation
- DMX universe/address translation
- Power consumption calculations
- Network subnetting tools
- iCloud data synchronization
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ShowTool LD is a comprehensive suite of Lighting Design and Electrics utilities for theatre and film. Beam Quickly calculate and visualise beam angles, throw and beam diameter. Gel Calculate the number of cuts and wastage from all major gel manufacturers and stock sizes. Choose from a selection of standard frame sizes, or define your own custom frame size. DMX Translate between universe/address and absolute address, discover how many fixtures will fit within a universe and calculate dip switch configuration. Power Simple power calculations in single and three phase configurations. Discover the total power consumption for your rig. Network What is a subnet? Easy tools to discover valid addresses for devices on your lighting network. Lists are kept in sync across all your devices using iCloud.
ROE Scanner
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This tool will help you to determine the right batch type of your ROE Visual LED module. Perfect for repair and maintenance purposes.
Screenshots
Verdict
The clearest difference is price: ROE Scanner at Free against ShowTool LD's $4.99. ShowTool LD's advantage is update cadence (every 5 months vs every 30 months). On ads, in-app purchases, device support and iOS requirement 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
ROE Scanner is free to download; ShowTool LD costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ShowTool LD ships an update every 5 months, ROE Scanner every 30 months. The most recent releases landed on September 14, 2026 and September 8, 2026 respectively.
| Parameter | ShowTool LD | ROE Scanner |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 4.7 (6 ratings) — better | — |
| Positive reviews | 70.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 5 months — better | Every 30 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 1 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Daniel Murfin | ROE Visual Co., Ltd |
In-app purchases
ShowTool LD
No in-app purchases
ROE Scanner
No in-app purchases
