Doudou Perdu vs Predilux
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Doudou Perdu
This app connects volunteers with lost stuffed animals to their owners. Users can report found toys, view them on a map or list, and earn medals for their good deeds. It aims to reunite children and parents with their beloved companions.
- Report found stuffed animals
- View lost toys on map/list
- Detailed toy profiles
- Volunteer profile with medals
- Photo and description submission
- Geolocated toy listings
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Doudou Perdu, ce sont des sauveteurs bénévoles, vous, nous, tous ceux qui ont à coeur de retouver les propriétaires des doudous perdus qu’ils rencontrent sur leur chemin. Rendez service aux enfants inconsolables et aux parents angoissés... Ils seront heureux de le retrouver dans la liste ou sur la carte, ils vous récompenseront d’une médaille et vous deviendrez à tout jamais leur super-héro ! Inscrivez-vous et devenez un de nos secouristes en herbe ! Vous deviendrez très vite un super-héros et aurez ainsi accès à un mur impressionnant de médailles ! Les fonctionnalités : DOUDOUS Affichage des doudous perdus géolocalisés en mode "LISTE" ou "CARTE" avec accès à leur fiche détaillée. PROFIL Accès à votre mur des médailles, à votre statut et à la liste des doudous que vous avez repérés. REPÉRER Prise de photo, enregistrement de la fiche pour la publication. N'hésitez pas à préciser dans le commentaire le numéro de la rue, si vous l'avez déposé chez un commerçant… On a tous une histoire de doudou ;)
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/
Screenshots
Verdict
The clearest difference is review sentiment: Doudou Perdu at 73% against Predilux's 20%. Doudou Perdu also leads on in-app purchases (none vs 1). Predilux's advantage is update cadence (every 4 months vs every 12 months). On price, ads, device support and iOS requirement 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. Doudou Perdu asks for nothing beyond the download.
Doudou Perdu ships an update every 12 months, Predilux every 4 months. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.
| Parameter | Doudou Perdu | Predilux |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.5 (2 ratings) — better |
| Positive reviews | 72.7% of reviews — better | 20.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 12 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 69 MB |
| Age rating | 4+ | 4+ |
| Developer | Matthias Mellouli | WID LLC |
Customer experience
Doudou Perdu
Predilux
In-app purchases
Doudou Perdu
No in-app purchases
Predilux
- Predilux$14.991 Year
