# Predilux vs Arcosense

The clearest difference is in-app purchases: Arcosense at none against Predilux's 1. Predilux's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Predilux sells 1 in-app purchase, starting at $14.99 per year. Arcosense asks for nothing beyond the download.

Predilux ships an update every 4 months, Arcosense every 3 months. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Predilux | Arcosense |
| --- | --- | --- |
| 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 3 months** |
| Monetization | Subscription | — |
| Size | 69 MB | 12 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [WID LLC](https://appshunter.io/developer/522765968) | [General Luminaire](https://appshunter.io/developer/1641438681) |

## 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 |


### Arcosense

[App page](https://appshunter.io/ios/app/arcosense/id6547836608)

**In-app purchases:** none


## Frequently asked questions

### Is Predilux free?

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

### Is Arcosense free?

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

### Do Predilux or Arcosense have ads?

Neither Predilux nor Arcosense shows ads.

### Which is updated more often, Predilux or Arcosense?

Predilux ships an update every 4 months, and Arcosense every 3 months. Most recently, Predilux was updated on September 9, 2026 and Arcosense on September 8, 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.*