DMXCalc vs ETC Library
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DMXCalc
This app simplifies DMX address calculations for entertainment lighting equipment. It helps determine absolute addresses, manage fixture blocks, and convert DMX values to percentages and hexadecimal. It also includes a dip switch calculator for easy configuration.
- DMX address calculation
- Universe and device address lookup
- Increment/decrement by block size
- Dip switch configuration tool
- Block addressing for multiple fixtures
- DMX level value reference
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Entertainment lighting equipment uses a control system called DMX512. DMXCalc is a simple and elegant calculator which does address arithmetic for DMX equipment. You can enter a DMX universe number and a device address to have DMXCalc calculate the absolute address. Or enter an absolute address to see the universe and device address. The + and - buttons can be set to increment or decrement the address by any block size. Handy for addressing a sequence of moving lights. When there is not enough space in the current universe for another fixture, the Address and + values turn red. Some DMX equipment utilizes dip switches to configure the address. The dip switch page has switches which show the settings for the current address value, or you can set the switches to match those on a light and discover what its address is. The sound button "plays" dipswitch settings so you can set switches without looking at the display. The Block page can be loaded with a range of blocks, based on the block size and starting at the current address. Tapping any block on the list loads that address into the calculator and dip switches, and tapping the arrow shows a list of all locations in the block, with both local and absolute addresses. This feature is particularly useful for addressing a series of moving lights, dimmer packs, or LED fixtures. A fourth page has a quick reference list showing all DMX level values from 0 to 255, with corresponding percentage, hexadecimal, and MIDI values. Altogether indispensable for the entertainment lighting technician.
ETC Library
Access technical documentation for a wide range of products. Browse and share datasheets, application sheets, and brochures organized by product family. This virtual binder provides quick access to essential product information.
- Access to hundreds of technical documents
- Organized by product family and category
- View datasheets, application sheets, and brochures
- Easy document sharing
- Offline access to downloaded documents
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ETC Library gives you quick and easy access to ETC’s technical documentation. This virtual binder lets you view, share datasheets, application sheets, brochures and more for all of ETC’s products – anytime, anywhere. Key features • Access to hundreds of documents, including all ETC datasheets • Material organized by product family and category for easy browsing • Share documents easily (Please note: This application intended to deliver basic technical information about ETC’s products and product families. If you are searching for more information than what is provided in this app, please visit www.etcconnect.com.)
Screenshots
Verdict
DMXCalc and ETC Library both sit at 3.6 stars, but that hides the real split: 69% of DMXCalc's written reviews are positive against 0% of ETC Library's. DMXCalc also leads on iOS requirement (9.0 vs 17). ETC Library's advantage is price (Free vs $1.99) and update cadence (every 3 months vs every 8 months). On rating, ratings volume, ads and in-app purchases 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
ETC Library is free to download; DMXCalc costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 3.6 for DMXCalc against 3.8 for ETC Library. Both are backed by a comparable volume of ratings — 7 and 4 respectively. Written reviews are what separate them: 69% of DMXCalc's written reviews are positive against 0% of ETC Library's.
DMXCalc ships an update every 8 months, ETC Library every 3 months. The most recent releases landed on October 7, 2026 and October 21, 2026 respectively.
| Parameter | DMXCalc | ETC Library |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 3.6 (7 ratings) | 3.8 (4 ratings) — better |
| Positive reviews | 69.2% of reviews — better | 0.0% of reviews |
| Number of ratings | 7 — better | 4 |
| Update frequency | Every 8 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 17 |
| Further details — not scored | ||
| Size | 2 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | West Side Systems | Electronic Theatre Controls, Inc. |
Customer experience
DMXCalc
ETC Library
In-app purchases
DMXCalc
No in-app purchases
ETC Library
No in-app purchases









