Qalculator vs m
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Qalculator
This app provides specialized calculation tools for media professionals in film, TV, theatre, and events. It offers utilities for lighting, projection, cameras, audio, and more, simplifying complex industry tasks.
- Lighting beam calculations
- Projection tools
- Camera distance and focal length calculations
- Audio delay and phase offset calculations
- Display size and bandwidth calculations
- Tap BPM and DIP switch utilities
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Qalculator is a convenient tool for media professionals. Qalculator offers a variety of different calculation tools and utilities all of which are made for tasks often performed within the Film-/TV-, Theatre- and Event Industry. This includes: - Lighting Beam Calculation - Projection Tools - Camera Tools - Audio Tools - Tap BPM - Display Size - DIP Switches - Bandwidth Calculation - Frames To Time This app is designed for professionals such as Sound Engineers, Audio Technicians, Lighting Designers, Lighting Technicians, Lighting Operators, Video Engineers, Video Technicians, Camera Men, Camera Technicians and many more. How big will the projected image be if I use a lens factor of 1,5:1 and have my projector at 32' 5" distance from the screen? Qalculator will help! Want to know which focal length you need to get a close up shot? Qalculator assists you. Ever wanted to know how wide a 103" Screen is? Qalculator delivers the solution at your fingertip. Feedback and feature requests are very welcome! Qalculator does: - Lighting beam diameter calculation - Lighting beam object distance calculation - Video projector image size calculation - Video projection lens factor for given image size and projection distance - Video projection distance for given image size and lens factor - Video projection approximate brightness calculation (lux/fc) - Camera distance for given focal length and field of view - Camera focal length for given distance and field of view - Camera field of view for given object distance and focal length - Camera chip size selector for a variety of different chip sizes - Audio delay time for given distance with respect to temperature - Audio wavelengths and travel times for given frequency with respect to temperature - Audio find phase offset and delay for instance for bass speaker arrays - Display Size calculates the complete dimensions for diagonal screen sizes - Tap BPM tap to calculate the average beats per minute - DIP Switches for DMX addressing of DIP switch based devices - DIP Switch offset to step through the DMX address fixture per fixture - Transfer time calculation for a given file size and bandwidth … and more.
m
Transform your device into a professional sACN lighting fixture for stage, film, and art installations. Control screen brightness, intensity, and vibration using standard lighting protocols.
- sACN control for Universe and DMX Address
- Real-time backlight brightness adjustment
- IRGB 8-Bit fixture compatibility
- 6 Channel Mode with flashlight intensity
- Device vibration control
- Intuitive interface
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Turn any screen into a stage light. m-BER makes your iPhone, iPad or Apple TV a lighting fixture you can patch straight into your console. Send it sACN, and the screen answers with colour and intensity in real time, just like every other fixture in your rig. No dongles. No gateway. Just join the show network and go. PATCH IT LIKE A FIXTURE • Patch as a Generic IRGB 8-bit fixture on any universe • Set the start address, and m-BER tells you exactly which channels it uses • Intensity, red, green and blue on four channels per region SPLIT THE SCREEN Run the whole display as one light, or divide it into independently addressed cells: • Single: one full-screen fixture • Half: two cells, side by side or stacked • Quad: four cells as a grid, in rows or in columns Every cell gets its own four channels, so one device can be four fixtures. MORE THAN A SCREEN On iPhone, two extra channels put the flashlight and the vibration motor on the desk. Flash, pulse and buzz on cue, straight from your console. BUILT FOR THE SHOW • Orientation locks the moment the fixture goes live, so a bumped phone never flips the look • Clean, full-bleed output with nothing on screen but light • Works across iPhone, iPad and Apple TV. Buy once, use it on all of them PERFECT FOR • Props that need to glow on cue • Phones and tablets written into the action • TVs and monitors used as set dressing • Quick practicals when you're one fixture short WHAT YOU NEED • A lighting console or software that outputs sACN (ANSI E1.31) • Your device and console on the same network TRY IT FREE The annual plan starts with a 3-day free trial. Prefer to own it outright? A one-time purchase unlocks m-BER for good. Powered by Liberate Lighting. SUBSCRIPTION INFORMATION • m-BER Annual: 1-year subscription, with a 3-day free trial for new subscribers • Payment is charged to your Apple Account at the end of the free trial, or at confirmation of purchase if no trial applies • The subscription renews automatically unless cancelled at least 24 hours before the end of the current period • Manage or cancel any time in your Apple Account settings • Any unused portion of a free trial is forfeited when you purchase a subscription Privacy Policy: https://liberatelighting.com/privacy-policy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: m at Free against Qalculator's $2.99. m also leads on update cadence (every 2 months vs every 4 months). Qalculator's advantage is in-app purchases (none vs 2) and ratings volume (5 vs 1). On rating, ads 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
m is free to download; Qalculator costs $2.99 up front. m sells 2 in-app purchases, starting at $4.99 per year. Qalculator asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Qalculator against 5.0 for m. That said, the two scores are not equally well evidenced: Qalculator has 5 ratings behind it against 1, so its average is the more settled of the two.
Qalculator ships an update every 4 months, m every 2 months. The most recent releases landed on November 1, 2026 and October 19, 2026 respectively.
| Parameter | Qalculator | m |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 5.0 (5 ratings) | 5.0 (1 ratings) |
| Positive reviews | 90.0% of reviews | — |
| Number of ratings | 5 — better | 1 |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid — better | Subscription |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple TV |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 2 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | QConcept GmbH & Co. KG | Lawrence Anthony Ware |
Customer experience
Qalculator
m
In-app purchases
Qalculator
No in-app purchases
m
- 365 Days Access to m-BER app3 Days trial$4.991 Year
- Access m-BER app Lifetime$9.99









