Qalculator
Qalculator is made and published by QConcept GmbH & Co. KG. AppBrain is an independent app data site and isn't affiliated with QConcept GmbH & Co. KG. The app name, icon, screenshots and description belong to QConcept GmbH & Co. KG and are shown as published on the App Store.
AppBrain's verdict
Established- Rating on App Store
- 5.00
- 5 ratings
- Last updated
- June 30, 2026
- Size
- 2.39 MB
It doesn't have enough ratings yet to judge what users think. Its best ranking is #51 in Top Paid, Utilities in Switzerland.
User feedback
Ratings and reviews on the App StoreComments on Qalculator for iOS
We don't have enough comments to show example comments. Please check back later.
Store listing
By QConcept GmbH & Co. KG, from the App Store
Description by QConcept GmbH & Co. KG Written by the developer, not by AppBrain. Click to read.
- 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.
Safety and technology
Found in the app by AppBrain- Price
- $2.99
- App size
- 2.39 MB
- Content rating
- Everyone
Technologies used by Qalculator
Releases
Updates seen on the App Store- Version
- 2.3.5
- Launched
- April 2013
No changelog data
Alternatives
Similar apps and more from QConcept GmbH & Co. KGAlternatives to Qalculator
More from QConcept GmbH & Co. KG
Rankings
App Store top charts- Highest rank
- #51
- Chart
- Top Paid
- Utilities
- Country
- Switzerland
App Store Rankings for Qalculator
Top rankings
| Rank | Country | Category | List |
|---|---|---|---|
| 51 | Switzerland | Utilities | Top Paid |
Ranking history in Switzerland
About the app and developer
About Qalculator
Qalculator is an utilities app developed by QConcept GmbH & Co. KG.
User Ratings
Qalculator is rated 5.00 out of 5 stars. The rating is based on 5 ratings.
App Information
Qalculator costs $2.99. The app size is 2.39 MB. The latest version available is 2.3.5. The last update was on June 30, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since April 2013.
Developer information for QConcept GmbH & Co. KG
Address: