Outdoor interval competition · Android
Race the same Sprint, Stop and 180 commands as a rival—even when you are running in different places. Athletic output leads. Clean execution decides the close ones.
Checking race control
The quick answer
NextRival synchronizes one versioned command script across two phones. Each runner performs it in their own safe outdoor space; the server compares only bounded, privacy-safe evidence.
How it works
Audio and haptics keep your eyes up. The screen remains useful, but it is never required while you move.
Choose a format, check GPS and motion sensors, acknowledge your surroundings, and meet a compatible rival.
Sprint, settle on Stop, and reverse on 180. Both runners receive the same command timeline and countdown.
See valid distance, completed commands, reaction contribution, integrity status, and the exact rating change.
Choose your effort
Best of three 30-second rounds with a mandatory 45-second recovery. Built for repeatable acceleration and clean responses.
Best of five 60-second rounds with 75 seconds of mandatory recovery. A longer test of repeatable work.
Competition you can inspect
Scores are deterministic, versioned and bounded. Purchases cannot change the contest. Ranked rivals may be simultaneous runners, accepted human replays, or calibrated synthetic performances—and the app never labels a replay or bot as live.
Product previews
These branded interface illustrations represent the current product while real-device screenshots are prepared.
SPRINT · 1000
Privacy is structural
Precise location and raw sensor samples are processed on your phone during an active round. Coordinates, routes and live location are not sent to NextRival’s server or shown to an opponent.
Questions people ask
NextRival is a competitive outdoor interval-training game for Android. Two players receive the same timed movement commands, perform them wherever they have safe space, and contest a best-of match.
No. Each runner uses their own safe outdoor space. A server-authored command script and synchronized countdown create the shared contest.
No. Raw coordinates, route, bearing and live location stay on the device. Only derived evidence—such as valid distance, sample counts, timing and command outcomes—may leave it. See the privacy policy.
The initial release is intended for people aged 16 and over. NextRival is an active game, not medical advice; play only where you have a clear, lawful space and stop if you feel unwell.
Not necessarily. Ranked matchmaking searches for a compatible live runner first, then may use an accepted human replay or a calibrated synthetic performance. The app discloses what kind of rival you raced and never makes a false live claim.
No. Purchases are limited to cosmetics and optional analytics. They cannot affect scoring, matchmaking, rest, evidence acceptance, ratings or leaderboard visibility.
From the NextRival home screen, open Settings · Account & privacy, tick the permanent-deletion acknowledgement, and tap Delete account. See the account deletion page for full details.
Your next rival is the clock.