# Predilux vs RGB Panel

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.

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 November 2, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Predilux | RGB Panel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/predilux/id1168322032/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 10 months |
| Monetization | Subscription | — |
| Size | 69 MB | 22 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WID LLC](https://appshunter.io/developer/522765968) | [SWIT Electronics Co., Ltd.](https://appshunter.io/developer/590335821) |

## What reviewers say

### Predilux

[App page](https://appshunter.io/ios/app/predilux/id1168322032)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Predilux | $14.99 | per year |


### RGB Panel

[App page](https://appshunter.io/ios/app/rgb-panel/id1479177086)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Predilux free?

Predilux is free to download, with in-app purchases available.

### Is RGB Panel free?

RGB Panel is free to download, with no in-app purchases.

### Do Predilux or RGB Panel have ads?

Neither Predilux nor RGB Panel shows ads.

### Which is updated more often, Predilux or RGB Panel?

Predilux ships an update every 4 months, and RGB Panel every 10 months. Most recently, Predilux was updated on November 2, 2026 and RGB Panel on October 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*