Predilux vs LensDataBase
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/
LensDataBase
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Lens Data Base — professional reference tool for cinema lenses with detailed technical specifications. Core features: Advanced search by brand, focal length and format (anamorphic, spherical, Full Frame, S35) Lens comparison by aperture, sensor coverage and optical properties Auto-compatibility check for ARRI, RED, Sony Venice and Blackmagic Built-in analysis system for vignetting and distortion For professionals: — Directors of photography and camera assistants — Lens selection for specific projects — Quick technical limitations assessment Roadmap: — Shooting schedule integration (in development) — DoF (Depth of Field) calculator — AR lens preview via iPhone camera
Screenshots
Verdict
The clearest difference is in-app purchases: LensDataBase at none against Predilux's 1. LensDataBase also leads on update cadence (weekly vs every 4 months). Predilux's advantage is iOS requirement (12.0 vs 18.0). 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. LensDataBase asks for nothing beyond the download.
Predilux ships an update every 4 months, LensDataBase weekly. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.
| Parameter | Predilux | LensDataBase |
|---|---|---|
| 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 | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 69 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | WID LLC | Evgenii Skvortsov |
In-app purchases
Predilux
- Predilux$14.991 Year
LensDataBase
No in-app purchases
