SOLVING
DOO
A team of experts crafting modern iOS applications that elevate user experience and strengthen mobile security.
Experts in
iOS Innovation
SOLVING DOO is a Montenegro-based team of passionate developers and designers dedicated to building world-class iOS applications. We combine deep technical expertise with a user-first philosophy to create apps that people love.
From privacy-focused VPN solutions to powerful device optimization tools, our products are engineered to deliver real value — making your iPhone faster, safer, and smarter.
Work with us
Built for
iOS Excellence
Two powerful apps designed to transform how you use your iPhone — safer, faster, smarter.
Most PopularSOLVING VPN
Military-grade encryption that shields your online activity. Browse freely, stay anonymous, and protect your data on any network — anywhere in the world.
SOLVING Cleaner
Reclaim your iPhone's full potential. Remove junk files, duplicate photos, and unused apps to free up storage and boost performance instantly.
Features that
matter most
Every feature is carefully crafted to deliver real, measurable improvements to your iOS experience.
Enterprise-Grade Security
Our VPN uses AES-256 encryption — the same standard trusted by governments and financial institutions worldwide.
Blazing Fast Performance
Optimized network protocols ensure minimal speed loss. Stream, browse, and download at full speed while staying protected.
Zero-Log Privacy
We never store, track, or sell your data. Our strict no-log policy means your online activity stays completely private.
iOS Native Design
Built from the ground up for iOS, our apps integrate seamlessly with Apple's ecosystem for a fluid, intuitive experience.
Smart Storage Cleanup
Intelligent algorithms identify and remove junk files, duplicate photos, and cached data to free up valuable storage space.
24/7 Support
Our dedicated support team is always available to help you get the most out of your SOLVING DOO apps.
Loved by
thousands of users
“SOLVING VPN is hands down the best VPN I've used on iOS. The connection is lightning fast and I never have to worry about my data being compromised.”
“The Cleaner app freed up over 4GB on my iPhone in minutes. The interface is beautiful and it just works. Absolutely worth every penny.”
“I've tried many VPN apps but SOLVING VPN stands out for its simplicity and reliability. The no-log policy gives me real peace of mind.”
Ready to secure &
optimize your iPhone?
Join thousands of users who trust SOLVING DOO to keep their devices fast, clean, and protected.
Let's build
something great
Have a question about our products or want to collaborate? We'd love to hear from you. Reach out and our team will get back to you promptly.