{
  "id": 13049368,
  "title": "FieldDay: say any game, play it outside, and let your phone be the referee",
  "url": "https://urgent.news/2026/10/09/fieldday-say-any-game-play-it-outside-and-let-your-phone-be-the",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-10-09T06:37:11.000Z",
  "source": {
    "name": "Dev.to",
    "slug": "dev-to",
    "url": "https://dev.to/bin4yi/fieldday-say-any-game-play-it-outside-and-let-your-phone-be-the-referee-2b6e"
  },
  "original_language": "en",
  "account": "FieldDay is a web app that transforms your smartphone into an outdoor referee for various games. To play, simply select a game, such as \"highest throw battle\" with 2 rounds and 2 players, and place your phone on a bag. The phone will monitor your body movements and the ball's trajectory using its camera. It tracks your throw height, jump height, and reaction time, keeping score and announcing the results like a sports announcer. FieldDay supports a wide range of games, including 12 quick games, team battles, chaos mode, and quests that encourage you to explore your surroundings and find specific objects. Score from your games can be saved and shared using a QR code, allowing you to challenge friends later without an internet connection. Additionally, FieldDay prioritizes safety by rejecting unsafe game ideas and offering safer alternatives and includes a \"Kids Mode\" with a gentle voice and regular water reminders. The app functions entirely offline, leveraging artificial intelligence on the device itself for real-time game monitoring and scoring.",
  "summary": "What I Built FieldDay is a web app that turns your phone into a referee for real games outside. You say a game, like \"highest throw battle, 3 rounds, 2 players\" . FieldDay makes the game, checks that it is safe, and reads you the rules. Then you lean the phone on your bag and go play. The phone watches with the camera. It sees your body and the ball. It measures how high you throw and how high…",
  "key_points": [
    "FieldDay app turns phone into outdoor referee for games",
    "Tracks body movements, ball trajectory using phone camera",
    "Supports 12 quick games, team battles, kids-friendly mode"
  ],
  "editors_take": "By turning smartphones into game referees, FieldDay shifts outdoor play from structured spaces to anywhere, allowing users to spontaneously engage in various physical games while tracking scores and competing with friends.",
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}