Comparison

Illuminati Meter vs Westcott

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

Head to head
About

Illuminati Meter

This app connects to a wireless light and color meter via Bluetooth, displaying exposure, color temperature, and other light data on your smartphone. It helps photographers and videographers set accurate exposure and white balance for various camera types and lighting conditions.

Highlights
  • Bluetooth connectivity to IM100 meter
  • Displays exposure and color temperature
  • Supports still and video camera settings
  • Color filter libraries for gel selection
  • Strobe lighting metering
  • Monitors multiple light sources
  • Reports illuminance and chromaticity
Features
Read full description

The Illuminati Meter app uses your phone’s Bluetooth radio to connect to your Illuminati Instruments IM100 meter. The app gets readings from the meter and displays the correct exposure, color temperature, and other light-related data on your smartphone. Use the readings from the app to enter exposure and white balance information into your mirrorless, DSLR. or digital cinema camera. The app also reports illuminance (in lux) and CIE xy chromaticity data. The Illuminati Instruments’ model IM100 wireless light and color meter for your smartphone is the first light meter of its kind and can be used with a wide variety of lighting types, including: daylight, ambient, fluorescent, LED, strobe, HMI and others. Whether you are creating moving images or still, the Illuminati Meter and App will give you the information you need to characterize the lighting in your scene for consistent exposure and color accuracy. Consistent, accurate information is the key to productivity on the set and later in post production. The Illuminati Meter App is used with your Illuminati IM100 Meter and supports all these features – and more: EXPOSURE settings for both STILL (ISO, F-stops, Shutter speed) and VIDEO (ISO, T-stops, Shutter Angle, and Frame Rate) to set your camera’s exposure information COLOR TEMPERATURE in Kelvin, including green-magenta shift to help you set your camera’s white balance COLOR FILTER LIBRARIES for Lee and Rosco to help you select gels to color correct your lights STROBE lighting support for EXPOSURE, COLOR TEMPERATURE, and STROBE-TO-AMBIENT ratio uses the meter’s built-in strobe metering circuit - no cable required App supports connecting MULTIPLE IM100 METERS to monitor multiple light sources simultaneously ALARM function lets you know when the brightness or color temperature has changed Continuously MONITOR AMBIENT light at an interval you set TRIGGER meter readings from the app or by pressing the meter’s power button STROBE triggering using the sync cord from your flash CHROMATICITY (x, y coordinates) and ILLUMINANCE (lux) DISTANCE from smartphone to the meter: up to 80 feet NOTIFICATIONS for your Smartwatch Visit www.illuminatiinstruments.com for more information.

About

Westcott

Control compatible Westcott lights and triggers wirelessly from your mobile device. Adjust settings, manage groups, and save custom lighting scenes for a faster workflow. Keep your connected products updated with over-the-air firmware updates.

Highlights
  • Remote control of FJ Speedlights and Strobes
  • Adjust L-Series COBs and Ice Light 3 settings
  • Manage groups and channels
  • Create and save custom lighting scenes
  • Over-the-air firmware updates
  • Bluetooth connectivity
Features
Read full description

Supported Devices: • FJ-X3 Wireless Trigger (for controlling FJ Wireless lights) • FJ-X2 Wireless Trigger (for controlling FJ Wireless lights) • Ice Light 3 • L120-B COB • L60-B COB Take Full Control from the Palm of Your Hand Connect your mobile device to your favorite Westcott lights and triggers for fast and reliable control. Control Your FJ Speedlights and Strobes Link the FJ-X3 and FJ-X2 Wireless Triggers to the app for remote control of your compatible speedlights and strobes. Supported models include FJ80, FJ80 II, FJ80-SE, FJ200, FJ400, FJ400 II, and FJ800. Manage groups, channels, output settings, and more from your mobile device for faster workflow on set. [Note: FJ-T1 Wireless Trigger is not Bluetooth® compatible.] Endless Creative Control for L-Series COBs & Ice Light 3 Complete control of your L-Series COBs and Ice Light 3: adjust light output, switch modes, activate FX, and fine-tune FX frequency with quick, reliable Bluetooth control. Create and Save Custom Scenes You can store up to 99 custom lighting scenes that recall your favorite setups in seconds. Scenes work with both L-Series COBs and FJ strobes and speedlights. Stay Ready for Your Next Shoot Keep your connected products up to date for the best performance. The app supports OTA firmware updates for the Ice Light 3, L120-B COB, and L60-B COB. Note: Reference the Westcott device manual for compatibility. To ensure optimal performance, keep all software and firmware up to date across all connected devices, including cameras, Westcott FJ & L-Series devices, mobile devices, and the Westcott StudioLink app. Instructional FAQ Link: https://help.fjwestcott.com/en-US/using-the-westcott-studio-link-app Disclaimer: The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc., and any use of such marks by F.J. Westcott Co. is under license. Other trademarks and trade names are those of their respective owners. Westcott is a brand of F.J. Westcott Co. in the U.S.A. ® and ™ designate trademarks of F.J. Westcott Co. All other trademarks are the property of their respective owners. © F.J. Westcott Co. All rights reserved.

Screenshots

Illuminati Meter4 screens
Westcott4 screens

Verdict

The call

The clearest difference is rating: Illuminati Meter at 3.4 against Westcott's 2.9. Illuminati Meter also leads on update cadence (every 3 months vs every 6 months) and iOS requirement (10.0 vs 15.6). On price, review sentiment, ratings volume and ads 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Illuminati Meter holds the better App Store score, 3.4 against 2.9. Both are backed by a comparable volume of ratings — 15 and 19 respectively. Written reviews complicate that: 38% of Illuminati Meter's written reviews are positive against 42% of Westcott's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Illuminati Meter ships an update every 3 months, Westcott every 6 months. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
Illuminati Meter versus Westcott: the parameters behind the verdict, then further details
ParameterIlluminati MeterWestcott
PriceFreeFree
Rating3.4 (15 ratings) — better2.9 (19 ratings)
Positive reviews37.5% of reviews41.7% of reviews — better
Number of ratings1519 — better
Update frequencyEvery 3 months — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS10.0 — better15.6
Further details — not scored
Size29 MB29 MB
Age rating4+4+
DeveloperDatacolor Inc.F. J. Westcott Co.

Customer experience

Illuminati Meter

All ratings15 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews8 reviews
Positive37.5%
Neutral0.0%
Negative62.5%

Westcott

All ratings19 ratings
Positive47.4%
Neutral0.0%
Negative52.6%
Written reviews12 reviews
Positive41.7%
Neutral0.0%
Negative58.3%

In-app purchases

None

Illuminati Meter

No in-app purchases

None

Westcott

No in-app purchases

Questions

Is Illuminati Meter free?
Illuminati Meter is free to download, with no in-app purchases.
Is Westcott free?
Westcott is free to download, with no in-app purchases.
Which has better reviews, Illuminati Meter or Westcott?
Illuminati Meter is rated higher. Illuminati Meter averages 3.4 out of 5 from 15 ratings, while Westcott averages 2.9 from 19 ratings.
Do Illuminati Meter or Westcott have ads?
Neither Illuminati Meter nor Westcott shows ads.
Which is updated more often, Illuminati Meter or Westcott?
Illuminati Meter ships an update every 3 months, and Westcott every 6 months. Most recently, Illuminati Meter was updated on November 5, 2026 and Westcott on November 3, 2026.

Other comparisons