Proving 44 Milliseconds Before Asking Anyone to Pay

A VPN sells an invisible benefit, and a gamer who has just installed a free app has no reason to believe a paywall's claim about milliseconds. This one measures the gain on their own connection first.

Start your project

The build

GamingVPN is a native iOS application that routes mobile gaming traffic through low-latency servers to reduce ping, built by Aipxperts in Swift and SwiftUI.

The same binary ships to Mac through Designed for iPad, with its own connection and speed-test path. Two populations use it: free users earning VPN time through rewarded ads and referrals, and premium subscribers on weekly, monthly and yearly plans.

The problem

A VPN sells an invisible benefit. Lower ping does not announce itself, and a gamer who has just installed a free app has no reason to believe a paywall's claim about milliseconds. That created the commercial problem this project actually solved:

A single take-it-or-leave-it paywall converts poorly, because the ask arrives before any evidence.

Users who decline once tend to churn, taking the future conversion with them.

Free users cost money to serve and produce nothing unless they re-enter the funnel.

There was a second problem that was purely technical and considerably nastier. An existing user base held entitlements in a legacy Apple receipt system, and the app was moving to RevenueCat. Getting that reconciliation wrong would have downgraded paying customers to Free at launch, which is the fastest way to turn a subscriber into a refund request and a one-star review.

What we built

We restructured the monetisation around proof rather than persuasion.

IKEv2 VPN with one-tap connect

Apple NetworkExtension with NEVPNManager, running IKEv2 with AES-256-GCM, SHA-384 and DH group 20, plus on-demand rules.

Server picker

A server-driven list with over 200 country flag assets, so routes change without an app release.

Boost Mode

A route-optimisation flow for users who want the app to choose.

Real latency and speed testing

Parallel ping testing with ranked results and best-route highlighting, plus network speed testing and data-usage statistics.

Three-step progressive paywall

Remote paywalls for the first two steps with dynamic pricing, then a native one-hour countdown discount screen.

Earn Free VPN Time

Daily-capped rewarded ads, a two-sided referral programme and cross-promotion install rewards.

Referral identity that survives reinstall

Universal-link attribution with iCloud Keychain identity recovery, which is an anti-abuse measure as much as a convenience: it stops a user farming referral rewards by deleting and reinstalling.

Full ad stack

Banner, interstitial, native, rewarded and app-open formats with multi-network mediation.

The outcome

Before
a single paywall asking users to pay for an invisible benefit, with declining users churning out of the funnel entirely, and a legacy entitlement system that could not safely move.
After
a measurement-led funnel where users see their own latency improve, from a 78ms default route to 34ms on GamingVPN, a 44 millisecond gain, before any subscription screen appears. Non-payers stay active through rewarded ads, referrals and cross-promotion instead of leaving. The RevenueCat migration completed with no user wrongly downgraded to Free, including the Mac ghost-premium case.

Tools and Technologies

Swift
SwiftUI
MVVM
Apple NetworkExtension
IKEv2
RevenueCat
Firebase Remote Config
Keychain
iCloud Keychain

Planning something similar?

If your product's benefit is invisible, measuring it in front of the user beats describing it to them.

Start the conversation