Comparison

Vector iControl vs Qalculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Vector iControl

This application allows for remote control and editing of basic functions for lighting consoles. It provides real-time information and enables control of various lighting elements, cues, and libraries from a local network.

Highlights
  • Real-time control of Vector consoles
  • Remote editing of lighting functions
  • Control moving and conventional lights
  • Create and store Cues, Libraries, and Groups
  • Interactive dimmer wheel, trackball, and parameter controls
  • Real-time console information display
Features
Read full description

Compulite’s lighting consoles are based on the most advanced computer networking technologies which deliver unmatched performance and reliability with high level functionality and sophistication. Compulite’s consoles were designed for use in theaters, opera and ballet houses, television sets, shows, concerts, theme parks, clubs, exhibitions, industrial shows and more. Compulite's Vector iControl App for the Apple iPhone and iPad is a powerful application to remotely control and edit basic functions of all Vector lighting consoles. The App provides real-time information of the Console through a friendly user Interface. By using the Vector iControl App, you are able to control moving lights, conventional lights, create and store Cues and libraries, add groups, control highlight and lowlight and more. The Application also allows you to control Dimmer levels through an interactive Dimmer Wheel, Pan and Tilt through an interactive trackball as well as the ability to control all other parameters using an interactive wheel, all from a remote location anywhere within your local area network. Features: - Full real-time control of Vector consoles. - An automatically generated IP list of available Vector consoles. - An echo line (Command line) displaying real-time state of the Console. - Constant connection monitoring. - Interactive dimmer wheel, wheel and trackball. - Multiple iControls can be connected to one console at a time. - Ability to control moving and conventional lights. - Create and control Cues, Libraries and Groups. - Keyboard view of the Console. - Easy to read panel screen. - Macro page for controlling Macros more quickly. For more information about Compulite’s lighting consoles, check out our website www.compulite.com.

About

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.

Highlights
  • 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
Features
Read full description

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.

Screenshots

Vector iControl4 screens
Qalculator4 screens

Verdict

The call

The clearest difference is price: Vector iControl at Free against Qalculator's $2.99. Qalculator's advantage is rating (5.0 vs 2.3) and review sentiment (90% vs 50%). On ratings volume, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Vector iControl is free to download; Qalculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Qalculator holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews point the same way: 50% of Vector iControl's written reviews are positive against 90% of Qalculator's.

UpkeepUpdate frequency

Vector iControl ships an update every 8 months, Qalculator every 4 months. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.

Scorecard5 real differences · 5 level
Vector iControl versus Qalculator: the parameters behind the verdict, then further details
ParameterVector iControlQalculator
PriceFree — better$2.99
Rating2.3 (3 ratings)5.0 (5 ratings) — better
Positive reviews50.0% of reviews90.0% of reviews — better
Number of ratings35 — better
Update frequencyEvery 8 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.1 — better15.6
Further details — not scored
Size25 MB2 MB
Age rating4+4+
DeveloperCompulite Systems 2000 LTDQConcept GmbH & Co. KG

Customer experience

Vector iControl

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Qalculator

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews20 reviews
Positive90.0%
Neutral10.0%
Negative0.0%

In-app purchases

None

Vector iControl

No in-app purchases

None

Qalculator

No in-app purchases

Questions

Is Vector iControl free?
Vector iControl is free to download, with no in-app purchases.
Is Qalculator free?
Qalculator costs $2.99, with no in-app purchases.
Which has better reviews, Vector iControl or Qalculator?
Qalculator is rated higher. Vector iControl averages 2.3 out of 5 from 3 ratings, while Qalculator averages 5.0 from 5 ratings.
Do Vector iControl or Qalculator have ads?
Neither Vector iControl nor Qalculator shows ads.
Which is updated more often, Vector iControl or Qalculator?
Vector iControl ships an update every 8 months, and Qalculator every 4 months. Most recently, Vector iControl was updated on November 6, 2026 and Qalculator on November 1, 2026.

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