Carte Compass vs OneFlash
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Carte Compass
This app provides discounts on daily outings for young people aged -26 in specific French cities. Discover deals on dining, entertainment, sports, and more, with a map feature to find nearby offers. It also includes a referral program for rewards.
- Discounts on restaurants, bars, gyms, cinemas
- Offers at ski resorts up to -50%
- Geolocated map for nearby deals
- Permanent and one-time offers
- Referral program for rewards
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L’appli Compass permet aux -26 ans de Marseille, d’Aix-en-Provence, de Saint-Etienne & de Lyon d’économiser sur toutes leurs sorties quotidiennes ! - Des avantages dans des restos, bars, salles de sport, cinémas, clubs sportifs et plein d’autres endroits appréciés par les jeunes. - Des offres dans 3 stations de ski (Alpe d’Huez, Orcières, Pra Loup et Avoriaz) allant jusqu’à -50%. - Retrouve toutes les réductions les plus proches de toi grâce à la map géolocalisée. - Profite d’offres permanentes sans limite et d’offres one shot pour des réducs ultra bénef à usage unique. - Nouveauté parrainage : Parraine tes potes avec ton code promo pour gagner des cadeaux gratuitement (tacos, pizzas, cookies, place de match et d’événements..)
OneFlash
Find nearby stations to rent portable phone chargers. Scan a QR code to unlock a battery, charge your device, and return it to any station in the network. Share power with friends and contribute to a more sustainable future.
- Locate nearby charging stations
- Scan QR code to unlock battery
- Charge multiple devices
- Return battery to any station
- 100% recyclable batteries
- Flexible return policy
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How does OneFlash work? Locate the nearest OneFlash station. Scan the station's QR code to unlock a OneFlash portable battery. Grab the OneFlash battery and charge your smartphone! Performance Our 5000 mAh portable batteries can charge your phone from 20% to 100% in just one hour and can charge up to 3 smartphones. Mobility Return the OneFlash battery to any station in our network. Grab a battery in a café near Bastille metro and drop it off at a gym in République. Sharing Each OneFlash battery is equipped with 3 cables compatible with all smartphones. Charge up to 3 phones at once and share energy with your friends! Ecology OneFlash aims to reduce lithium overconsumption by offering a network of 100% recyclable rental portable batteries. We promote a sharing economy to reduce the purchase of personal external batteries. Proximity To make our rental and sharing system work for you, we've brought OneFlash to your favorite places, including shopping malls, gyms, airports, train stations, libraries, museums, and many more! Let us know where you'd like to see OneFlash stations! Accessibility We've made renting portable batteries convenient. That's why OneFlash is mostly free! To ensure availability for everyone, a €19 deposit is held but not charged. Plus, you have up to 4 days to return it. Additional Functionality At OneFlash, we think of everything. That's why we've added a micro USB port on each of our portable batteries. So, within the deposit period, you have the option to recharge the battery yourself. This gives you more flexibility and allows you to use the battery for as long as you need. Practical, right? What's New? We're always planning new features and regularly updating the app to provide you with the best OneFlash experience possible! We're Listening We're building OneFlash every day to enhance your experience. Your feedback matters! Send us your comments, suggestions, and recommendations at bonjour@oneflash.fr. P.S.: Don't forget to follow us on social media!
Screenshots
Verdict
The clearest difference is ads: OneFlash at none against Carte Compass's shown. OneFlash also leads on monetization model (free vs ad-supported). Carte Compass's advantage is review sentiment (100% vs 71%). On price, update cadence, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Carte Compass ships an update every 8 days, OneFlash every 2 weeks. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.
| Parameter | Carte Compass | OneFlash |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.3 (22 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 70.8% of reviews |
| Number of ratings | — | 22 — better |
| Update frequency | Every 8 days — better | Every 2 weeks |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 106 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Compass SAS | OneFlash |
Customer experience
Carte Compass
OneFlash
In-app purchases
Carte Compass
No in-app purchases
OneFlash
No in-app purchases








