• VPN Apps Development Services

    More than 10 years of VPN app development. Our clients run products with thousands and millions of users worldwide, on mobile, desktop and browser.

Boilerplate VPN Application

We keep a ready boilerplate VPN application. It shortens time-to-market, lowers the cost of an MVP and keeps stability and security, because the parts that are hard to get right are already written and already in production.

Faster Time-to-Market

The client, the backend and the payment flow already exist. You start from a working product, not from an empty repository.

Lower MVP Cost

You pay for your product's differences, not for rebuilding the parts every VPN app has.

Proven in Production

The same code runs in apps with thousands and millions of users, so stability is measured rather than promised.

Full-Cycle VPN App Development

One team covers UI/UX, every client platform, the backend and billing, so VPN apps development does not get split between vendors.

iOS VPN App Development

Native iOS clients built on NetworkExtension, with App Store subscriptions and review compliance handled.

Android VPN App Development

Kotlin clients using VpnService, with Play Store billing and the policy paperwork that VPN apps require.

Windows VPN App Development

Desktop clients for Windows, including Microsoft Store publishing and driver-level networking.

macOS VPN App Development

macOS and Linux clients that share the core with the mobile apps instead of being rewritten from scratch.

Chrome VPN App Development

Browser extensions for Chrome and other Chromium browsers, sharing accounts and subscriptions with the apps.

Backend and Billing

Accounts, subscriptions and payments through App Store, Play Store, Stripe and other providers.

Protocols and Blocking Resistance

We use proven VPN protocols with obfuscation, so connections keep working in networks that actively filter them.

VLESS

Modern transport with obfuscation, used where deep packet inspection blocks everything else.

WireGuard

Fast and lightweight, the default choice when raw speed and battery life matter most.

IKEv2

Native support on iOS and Windows, with fast reconnection when the network changes.

OpenVPN

The compatibility fallback, still the most widely supported option across old devices and routers.

Infrastructure, Publishing and Compliance

Global servers, analytics, logging and scaling, plus help with publishing to Google Play, the App Store and the Microsoft Store while meeting their compliance rules for VPN applications.

Global Server Network

Infrastructure with global servers, analytics, logging and scaling built in from the start.

Store Publishing

We help publish to Google Play, the App Store and the Microsoft Store, where VPN apps face extra review.

Subscriptions and Billing

Subscriptions and payments through App Store, Play Store, Stripe and other providers.

Why We Are a VPN App Development Company You Can Ship With

Ten years in this specific niche, on products that are actively blocked and have to keep working anyway.

10+ Years in VPN

Not a general agency taking its first VPN project. This is the niche we have worked in for a decade.

Users at Scale

Our clients run products with thousands and millions of users worldwide.

Live Cases

We can show real screens and UI from shipped projects, within what our NDAs allow.

Get In Touch With Us

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Come Visit

10003 Ukraine Zhytomyr
13а Trypilska Street

Other websites

https://web.4k.com.ua https://4k.com.ua https://study.4k.com.ua

Contact Numbers:

Phones UTC (+2): +38 (097) 826-58-58
Phones PST: +1 (650) 360-12-45
E-Mail: [email protected]
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