Is there an app for doing workout challenges with friends?
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Yes — Kontest. You challenge your circle, everyone logs their sessions, and a live leaderboard updates as they do. Challenges can run on reps, total weight moved, distance, daily steps or top lifts, so the group picks what it actually wants to compete on.
What kinds of challenges can you run?
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Five: most reps logged, total volume moved, distance in miles or kilometers, daily step totals, and top lifts head to head. Most challenge apps only count steps, which leaves anyone who trains in a gym out of the competition.
How do the leaderboards work?
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They update live. The moment someone in your circle logs a workout, the standings move — so the competition runs through the week rather than being settled when somebody adds up totals at the end of it.
Does Kontest sync with Apple Health or Google Fit?
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Yes. Link Apple Health on iPhone or Google Fit on Android and your steps and distance count toward your level automatically, so walking and running you already track are not logged twice.
Can I compete with people I don't know?
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Yes. As well as challenging friends, you can join public kontests and compete against strangers — useful if your own circle is not on the app yet.
Is Kontest good for gym and lifting, or just steps?
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Both, and the lifting side is the point of difference. You can log sets as they happen and compete on reps, total volume or a head-to-head top lift, not only on step counts — which is what most group fitness challenge apps limit you to.
Who is Leo?
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Leo is Kontest's AI coach: personalized programming, plans that adapt as you progress, flexible scheduling, and answers about training and recovery whenever you ask. The app's own line for it is a world-class coach without the world-class invoice.
Is Kontest free?
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Yes. Logging workouts, competing in challenges and tracking your stats are free, with no credit card. A Pro tier is planned, adding unlimited Leo coaching and deeper analytics.
Is Kontest on iPhone and Android?
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Yes, on both — the App Store and Google Play. Challenges and leaderboards work across the two, so a friend group does not all have to be on the same phone.
Can I use it to keep a friend group accountable?
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That is what it is built around. You follow your workout partners, see their sessions as they land and react to them, and the running leaderboard means skipping a week is visible to the people you train with — which is the part that tends to work.
Who built Kontest?
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Nainnie Labs designed and built the apps for iOS and Android. Kontest is owned and published by its own team, not by us — this page is a case study of our work on it, and the app itself lives at thekontest.com.