# OneFlash > Rentable portable phone chargers available at network stations. (iPhone/iPad app by OneFlash.) - Source: https://appshunter.io/ios/app/oneflash/id6450189093 (this page in markdown: same URL + `.md`) - Developer: [OneFlash](https://appshunter.io/developer/1495172902) - Category: Utilities - Price: Free - Rating: 3.30/5 from 22 App Store ratings · 48 written reviews indexed - Age rating: 4+ - Requires: iOS 15.1 · 28 MB - Languages: French (France) - Released: 2023-12-07 - Data updated: 2026-09-01 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/oneflash/id6450189093/reviews.md ## What is OneFlash? 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! ## Key features - Locate nearby charging stations - Scan QR code to unlock battery - Charge multiple devices - Return battery to any station - 100% recyclable batteries - Flexible return policy ## Recent user reviews (10 of 48) All indexed reviews: https://appshunter.io/ios/app/oneflash/id6450189093/reviews.md ### 1/5 — Do NOT use! Scam *2026-06-18* I used this in Amsterdam airport, returned within 10 minutes to the exact spot and they claim they will not return the deposit despite providing evidence. ### 1/5 — Glitchy *2026-04-03, version 140.2.0* The app is often glitchy and unresponsive when trying to access or return power banks. This has resulted in bank chrges being incurred and deposits not being refunded. Avoid. ### 1/5 — DO NOT USE: Absolutely garbage service *2025-10-14* This is a horrible service and I would not use again. It’s a scam operation dressed as a business. They were rude to me in customer service and basically told me I’m not so many word that I should go fuhhh myself. Their chargers are either unavailable or they don’t work. Yeah. Do not use horrible service and will be filing complaint against them. ### 5/5 — Aucun soucis pour l’instant *2025-09-10* Les 3 jours de dépôt est un très bon atout. Je recommande en cas d’urgence ### 5/5 — Batterie *2025-08-09* Très bien en plus gratuit ### 1/5 — No country change *2025-08-05* The app doesn’t allow you to change the country for your phone number so there is no way to use it. ### 1/5 — Doesn’t send SMS *2025-07-24, version 138.3.0* Can’t create an account as no SMS is received. Can’t get far enough on the app or website to rent a battery. ### 1/5 — Can’t sign up *2025-07-23, version 138.3.0* I can’t sign up with UK number ### 5/5 — Super pratique *2025-07-17* J’utilise OneFlash depuis un moment et c’est vraiment top. Plus besoin de galérer quand mon téléphone est à 5 %, je trouve une batterie en 2 clics et je peux la rendre n’importe où. L’appli est simple et rapide. Franchement, c’est devenu un réflexe quand je suis en déplacement. Je recommande à 100 % ### 1/5 — Will not work *2025-07-17* This app will not allow for me to change the country to enter my phone and sign up. My phone was nearly about to die and I needed help and this is a failure of a system. ## Frequently asked questions about OneFlash ### What does the OneFlash app do? The OneFlash app helps you locate the nearest OneFlash station where you can rent portable battery chargers. You can scan a QR code at the station to unlock a battery, charge your smartphone, and then return it to any station in the network. ### How much does it cost to use OneFlash? The service is mostly free. A €19 deposit is held but not charged, and you have up to 4 days to return the battery. This deposit ensures availability and encourages timely returns. ### Can I charge multiple phones with one battery? Yes, each OneFlash battery is equipped with 3 cables compatible with all smartphones. This allows you to charge up to 3 phones simultaneously, making it easy to share power with friends. ### What is the performance of the portable batteries? The 5000 mAh portable batteries can charge a smartphone from 20% to 100% in approximately one hour. They are designed for efficient and quick charging when you're on the move. ### Where can I find OneFlash stations? OneFlash stations are conveniently located in various public places such as shopping malls, gyms, airports, train stations, libraries, and museums. The app helps you find the closest one to your current location. ## Version history (last 5 releases) ### 140.6.0 — 2026-07-06 Integrations : - Domus - Carre d'Or - Meriadeck ### 140.5.1 — 2026-06-24 - bug fixes ### 140.5.0 — 2026-06-15 - bug fixes ### 140.4.0 — 2026-06-05 - bug fixes ### 140.3.1 — 2026-05-25 - Bugfixes ## Apps similar to OneFlash | App | Rating | Price | Category | | --- | --- | --- | --- | | [SeLoger – Real Estates France](https://appshunter.io/ios/app/seloger-real-estates-france/id326883014) | 4.8 (1,567) | Free | Utilities | | [Bouygues Telecom](https://appshunter.io/ios/app/bouygues-telecom/id422590767) | 4.5 (1,071) | Free | Utilities | | [La Poste – Colis & courrier](https://appshunter.io/ios/app/la-poste-colis-and-courrier/id431602927) | 4.0 (114) | Free | Utilities | | [France Identité](https://appshunter.io/ios/app/france-identite/id1590142959) | 3.4 (116) | Free | Utilities | | [Gens de Confiance](https://appshunter.io/ios/app/gens-de-confiance/id1103739976) | 4.8 (421) | Free | Utilities | | [RED & Moi](https://appshunter.io/ios/app/red-and-moi/id986324701) | 4.7 (56) | Free | Utilities | --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-01.*