ThreeSeconds launches on iOS - and lets players decide what it's worth

There is a particular kind of humiliation reserved for music lovers. You have listened to a song hundreds of times. It is in three of your playlists. You could hum it in your sleep. And yet, three seconds in, you cannot name it.

ThreeSeconds - Music Quiz, now available on the App Store, is built around exactly that feeling. The game draws from a player's own Apple Music library, playlists, or favorite artists, plays a short audio clip, and presents ten possible answers. Rounds last three seconds. Or two. Or one, if you want to punish yourself properly.

The game supports multiple difficulty modes - players can set clip duration, choose whether the snippet starts at the beginning of a track or from a random position, and select session lengths ranging from 10 rounds up to endless play, including an "Until Mistake" mode where a single wrong answer ends the game.

The experiment

ThreeSeconds is free to download. There is no paywall, no subscription tier, and no locked features. There is also no nag screen, no badge nudging users toward a purchase, and no reminder that the developer spent months building what they are now using for free.

Instead, on first launch, players see a single message: the app is in their hands. After that, it is never mentioned again.

Mennigmann frames this as a deliberate experiment. "Users regularly complain about upfront prices or subscriptions," he says. "So I removed both. The decision is entirely theirs." A tip jar is available inside the app - one payment, any amount, no pressure.

The psychological stakes of this model are harder than they appear. Paying for something you have already received, with no external enforcement and no social pressure, runs against the grain of how most consumer behavior actually works. Research in behavioral economics consistently shows that voluntary payment after consumption - even when users are genuinely satisfied -produces lower conversion than payment before access. People are not simply rational actors weighing value against cost; the absence of obligation makes the decision feel optional in a way that a price tag does not.

Mennigmann is aware of this. The experiment is not premised on optimism about human nature. It is a genuine question: in 2026, with subscription fatigue at a high-water mark and app store trust eroding, are users prepared to govern their own payments? And can an independent developer build something sustainable on that basis alone?

The results, whatever they turn out to be, will be a data point the industry does not currently have at this scale of honesty.

About the app

ThreeSeconds requires an Apple Music subscription to access catalog and editorial playlist sources. Library and personal playlist modes are available without a subscription. The app integrates Apple's MusicKit framework natively and does not require users to create an account. It supports twelve accent colors, light and dark mode, and is available in English, German, French, and Portuguese.