C.S.M. vs OneFlash
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
C.S.M.
Manage your social security information and access services from the Principality of Monaco. Securely connect to view your registration card, track reimbursements, and submit online requests for certificates and pensions.
- Secure login with social security credentials
- Digital registration card and ESF code
- Track benefit reimbursements and payments
- Submit online requests for certificates
- Simulate retirement pension
- Download forms
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My Caisses Sociales de Monaco mobile application: simple and practical My Personal Insured Area : - An instant and secure connection - Authentication with my Caisses Sociales login details or with MConnect - Customise my personal password Access to all my services and procedures online from my smartphone or tablet, wherever I am: - My registration card and my ESF code* in digital format - Add and share my Registration Card in my Wallet (electronic wallet) - View my profile and personal information - Track my benefit reimbursements and payments over the last 18 months - Notify me when my benefits are being processed. - Sending documents and downloading forms - Online requests for my certificates, career statement, retirement pension, etc. - Simulate my retirement pension New online services are regularly added to your application by the Caisses Sociales de Monaco. To make sure you don't miss out on any of our latest news, follow us on Facebook and Linkedin. *FSE : Feuille de Soin Electronique
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 update cadence: OneFlash at every 2 weeks against C.S.M.'s every 12 months. OneFlash also leads on review sentiment (71% vs 50%). On price, ads, in-app purchases and monetization model 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.
C.S.M. ships an update every 12 months, OneFlash every 2 weeks. The most recent releases landed on June 2, 2026 and September 22, 2026 respectively.
| Parameter | C.S.M. | OneFlash |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.3 (22 ratings) — better |
| Positive reviews | 50.0% of reviews | 70.8% of reviews — better |
| Number of ratings | — | 22 — better |
| Update frequency | Every 12 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 4 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Caisses Sociales de Monaco | OneFlash |
Customer experience
C.S.M.
OneFlash
In-app purchases
C.S.M.
No in-app purchases
OneFlash
No in-app purchases








