Predilux vs RGB Panel
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Predilux
This app helps photographers and videographers predict light exposure based on light source and distance. It also allows inverse measurement of distance by specifying exposure, considering various camera and light source settings, and gels.
- Predict light exposure
- Measure distance to light source
- Adjust camera settings (FPS, ISO, Shutter)
- Configure light source settings
- Apply gel effects (Diffusion, CTO/CTB, +- Green)
- Experimentally verified results
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Predilux lets you predict the exposure (key light) measured by a light meter, by choosing a light source and a distance. Or inversely measure the distance to the light source by specifying the exposure. Predilux takes into account camera settings (FPS, ISO, Shutter), source settings (Focalization, Lens, Grid, etc.) and gels (Diffusion, CTO/CTB, CTS, +- Green, and dozen of effects). All results have been experimentally verified with a light meter in rental shops. Predilux does not rely on constructor’s data. IMPORTANT NOTICE: Predilux is switching its pricing model to a monthly subscription. Starting Sept 1st 2023, Predilux will cost $14.99/year or $1.49/mo (cancel anytime). If you buy Predilux now, you will be eligible for 2 years free. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
RGB Panel
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． Suitable for Broadcasting, Stage Light Application use. ． Control your fixtures by the smart phone devices and App. ． Connecting by BT5.0 by smart phone and fixture, communicating each other by wifi 2.4G. ． Friendly UI interface and easy for use learning and using. ． Make sure the fixtures RGB color will be consistent by each. ． Make the fixtures white light with high accuracy and high brightness performance.
Screenshots
Verdict
The clearest difference is in-app purchases: RGB Panel at none against Predilux's 1. RGB Panel also leads on iOS requirement (9.0 vs 12.0). Predilux's advantage is update cadence (every 4 months vs every 10 months). On price, 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
Both are free to download. Predilux sells 1 in-app purchase, starting at $14.99 per year. RGB Panel asks for nothing beyond the download.
Predilux ships an update every 4 months, RGB Panel every 10 months. The most recent releases landed on October 12, 2026 and October 17, 2026 respectively.
| Parameter | Predilux | RGB Panel |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (2 ratings) — better | — |
| Positive reviews | 20.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 months — better | Every 10 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 69 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | WID LLC | SWIT Electronics Co., Ltd. |
In-app purchases
Predilux
- Predilux$14.991 Year
RGB Panel
No in-app purchases
