Small tools.
Something useful, right away.

Small experiments, useful tools, and quick games. Pick one to get started.

Free games

80s or AI?

60 photos. Real eighties or AI? Play ten at a time, reveal the sources, then challenge a friend with the same photos. No sign-up.

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Free games

Beat the Guesser

Left or right? Try to outwit a guesser that learns your patterns over 1,000 choices. Watch its recent and overall hit rate, pause and resume your run, then challenge a friend. Free, with no sign-up.

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Free visual tools

Screen Compare

Compare iPhone Duo vs iPhone 18 Pro Max at the same scale. Switch video formats or choose your own iPhone to compare movie picture area and black bars. Free, with no sign-up. Estimates from Apple display specifications.

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