Modern Applications
for the iOS Platform
DEFRI d.o.o. is a team of experts dedicated to crafting high-performance, privacy-first iOS applications that elevate the security and experience of every mobile user.
A Team Built Around
iOS Excellence
DEFRI d.o.o. was founded with a singular mission: to build iOS applications that genuinely make a difference. Based in Slovenia, our team brings together deep technical expertise with a thoughtful approach to product design.
Every product we develop is engineered from the ground up for the Apple ecosystem — optimized for performance, built with privacy at its core, and refined through extensive user feedback. We believe great software should be invisible in its effort and remarkable in its results.
Crafted for the
iOS Ecosystem
Two focused applications, each engineered to address a specific need for iPhone users around the world.
DEFRI VPN
Your Shield in the Digital World
DEFRI VPN delivers enterprise-grade encryption directly to your iOS device. With a single tap, your internet connection becomes private, secure, and free from surveillance — whether you're on home Wi-Fi or a public network.
- Military-grade AES-256 encryption
- Zero-log privacy policy
- Global server coverage
- Seamless iOS system integration
- Automatic kill switch protection
DEFRI Cleaner
Your iPhone, Always at Its Best
DEFRI Cleaner intelligently scans your iOS device to identify and safely remove duplicate files, obsolete caches, and unnecessary clutter — restoring speed, freeing storage, and keeping your iPhone performing like new.
- Smart duplicate file detection
- Deep cache & junk removal
- Photo library optimization
- Storage usage analytics
- One-tap cleanup experience
Built on Principles
That Matter
Every decision in our development process is guided by a commitment to quality, security, and user trust.
Privacy by Design
Every application is built with privacy as a foundational principle — not an afterthought. No data collection, no tracking, no compromises.
Optimized Performance
Our apps are engineered to be lightweight and responsive, using minimal system resources while delivering maximum impact on your device.
Native iOS Integration
Deep integration with iOS APIs and system capabilities ensures a seamless, fluid experience that feels like a natural part of your iPhone.
Continuous Updates
We regularly release updates that adapt to new iOS versions, security patches, and evolving user needs — keeping your app current and safe.
Intuitive User Experience
Complex technology made simple. Our interfaces are clean, purposeful, and designed to require no instruction manual.
Verified Security
All products undergo rigorous security testing before every release. Trust is earned through consistency, and we take that seriously.
Get in Touch
with DEFRI
We're always open to hearing from users, partners, and anyone interested in what we build. Reach out through any of the channels below and our team will respond promptly.
