Secure. Clean.
Brilliantly Built.
CDI Company DOO crafts premium iOS applications that protect your privacy and optimize your device — engineered for the modern mobile user.
A Team of Passionate
iOS Developers
Based in Belgrade
CDI Company DOO is a Serbian software company dedicated to building world-class iOS applications. We combine deep technical expertise with a relentless focus on user experience to deliver apps that millions trust every day.
Apps Built for
Real Impact
Two flagship iOS applications designed to protect your privacy and supercharge your device performance.
CDI VPN
Military-grade encryption that shields your online activity from hackers, trackers, and surveillance. Connect to servers worldwide with blazing-fast speeds and zero-log policy.
- 256-bit AES Encryption
- Zero-Log Policy
- Global Server Network
- Kill Switch Protection
CDI Cleaner
Reclaim your iPhone's full potential. Our intelligent cleaner removes junk files, duplicate photos, and unnecessary caches — giving your device a fresh, fast start every time.
- Smart Junk Detection
- Duplicate Photo Finder
- Memory Optimizer
- Battery Health Monitor
Everything You Need
in One Place
Our iOS apps are packed with powerful features designed to keep your device secure, clean, and running at peak performance.
End-to-End Encryption
All data is encrypted using AES-256 standards, ensuring your personal information stays completely private.
Global VPN Servers
Access content from anywhere with our worldwide network of high-speed, secure VPN servers.
Deep Junk Cleaning
Intelligently scans and removes hidden junk files, temporary caches, and redundant data from your iPhone.
Duplicate Photo Removal
Automatically detects and removes duplicate and similar photos to free up valuable storage space.
Battery Optimization
Monitor battery health and get smart recommendations to extend your device's battery lifespan.
No-Log Privacy Policy
We never track, store, or sell your browsing data. Your online activity is yours alone.
Our Team
Experts Who
Care About
Your Security
Ready to Protect
Your Device?
Download our apps from the App Store and experience the difference that expert iOS development makes.
Get Started TodayLet's Build
Something
Great Together
Have a question about our apps or want to collaborate? Reach out — we'd love to hear from you.
Address
Miljkovački Izvori 3A
Rakovica, Beograd 11090
Serbia
Phone
+1 681 500 6291