Super Unlimited · B2C · free VPN app
Walk into elevators with a debug build to test dropped connections
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What they did
QA tests the long-lived VPN connection under real mobile conditions: hotel wifi to 3G/4G handoffs, elevators, switching cell towers on a bus. A QA engineer rode an elevator several times with a debug build to watch logs during disconnects.
In their words
Sub Club by RevenueCat · How the World's #1 VPN App Reached 1 Billion Downloads – Tanuj Chatterjee, Super Unlimited“Our QA guy actually walked with his phone inside an elevator, down, he had a debug build so you could see all the logs at that time, and he did the whole thing a few times”
Related topics
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More from this episode
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- Super Unlimited: Give away an unlimited free version, paid for with an ad or twoLow paid conversion, but 1M+ mostly organic downloads a day and very profitable
- Super Unlimited: Don't show any ads the first time someone opens the app
- Super Unlimited: Keep the free service running in poor and censored countries, even at a loss15M downloads in 4 days during a Turkey Instagram ban; each spike leaves a higher baseline
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- Super Unlimited: Buy search ads in Apple and Google stores only where the return holds upSpend capped by ROAS; some cannibalization of organic installs accepted
- Super Unlimited: Have the head of support report to the head of productGuest says product hears about problems right away; no numbers
- Super Unlimited: Compare your ratings country by country and dig into the low onesGuest says it helped a lot; no numbers
- Super Unlimited: Launch a new feature in 5 countries behind a switch, then expand
- Super Unlimited: Start on the cloud, then move heavy traffic to your own rented serversMakes a free tier affordable; cloud still absorbs surges
- Super Unlimited: Launch a Windows version and promote it to your mobile usersNamed biggest win of the year; people buy on the website directly, no numbers
- RevenueCat: Build the product so free users cost almost nothing to supportLets the company keep a generous free tier; no numbers