Secure & Clean
Your iPhone
SFEIR builds premium iOS applications — from powerful VPN protection to intelligent device cleaning — crafted for the modern mobile user.
A Team of iOS
Experts You Can Trust
Based in Neuilly-sur-Seine, France, SFEIR is a dedicated team of iOS engineers and designers who believe that mobile security and performance should be effortless. We craft applications that are powerful under the hood yet beautifully simple to use.
Our products are trusted by hundreds of thousands of users worldwide, delivering real-time protection and intelligent optimization for every iPhone and iPad.
See Our ProductsOur Impact
Two Apps. One Mission.
Designed exclusively for iOS, our apps deliver enterprise-level security and performance in a beautifully simple package.
SFEIR VPN
Military-Grade Privacy for iOS
SFEIR VPN wraps your internet connection in AES-256 encryption, masking your IP address and shielding your data from hackers, trackers, and surveillance — on any Wi-Fi network.
- AES-256 encryption
- No-log policy
- 50+ server locations
- Kill switch protection
- Split tunneling
- DNS leak protection
Built Different.
Designed to Last.
Every feature is thoughtfully crafted to give you the best iOS security and performance experience possible.
End-to-End Encryption
Every byte of your data is protected with AES-256 military-grade encryption, ensuring your private information stays private — always.
Blazing Fast Performance
Our apps are engineered for speed. Zero lag, zero slowdowns — just instant results whether you're connecting to a VPN or cleaning your device.
Zero Data Collection
We operate a strict no-log policy. We never track, store, or sell your personal data. Your privacy is our core principle.
iOS Native Design
Built exclusively for Apple devices, our apps follow iOS Human Interface Guidelines for a seamless, intuitive experience on every iPhone and iPad.
Real-Time Optimization
Continuous background monitoring keeps your device running at peak performance, automatically clearing junk and maintaining security.
24/7 Expert Support
Our dedicated support team is available around the clock to help you with any questions or issues — in English and French.
Loved by iOS Users
Hundreds of thousands of users trust SFEIR apps every day. Here's what they say.
“SFEIR VPN is the only VPN I trust on public Wi-Fi. It connects instantly and I never notice it running — that's exactly what I want from a security app.”
Sophie Laurent
Freelance Designer, Lyon
“SFEIR Cleaner freed up 8GB on my iPhone in under a minute. The duplicate photo finder alone is worth it. My phone feels brand new again.”
Thomas Girard
Software Engineer, Paris
“I use both SFEIR apps daily. The VPN keeps my business data safe and the Cleaner keeps my phone fast. Absolutely essential tools for any iPhone user.”
Marie Dubois
Marketing Manager, Bordeaux
Available exclusively on
Let's Talk
About Your Needs
Whether you have a question about our apps, need support, or want to explore a partnership — our team is here to help.
Address
48 Rue Jacques Dulud
92200 Neuilly-sur-Seine, France
Phone
+1 662 498 6196