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  • Ippon Board screenshot 1
  • Ippon Board screenshot 2
  • Ippon Board screenshot 3
  • Ippon Board screenshot 4

About Ippon Board

Ippon Board is a scoreboard for judo and grappling: judo, freestyle wrestling, BJJ, ADCC and sambo, each on its own official rules. It's free to use. JUST NEED A SCOREBOARD? Open it and score. No account, no sign-up and no internet needed. One tap per score or penalty, the hold-down clock counts itself, and golden score, overtime and each sport's tie-breaks are handled for you. THE HALL'S SCREEN Plug in a TV or projector (HDMI, USB-C or AirPlay): the hall sees the scoreboard alone while you keep the controls. ON iPHONE AND iPHONE DUO On iPhone Duo, unfold it for the full board, stand it half-open for a tabletop board with the controls flat in front of you, or fold it to keep scoring on the front screen. Other iPhones get the same compact board. Best on iPad and Mac. MAKE YOUR OWN RULES Start from any sport and change the scores, what they're worth, the bout length and the penalties, with versions for each age group and round. Sign in to keep your rule presets and team formats on every board. TEAM MATCHES IJF team formats and your own. For a quick team match, type the two team names and start; athlete names are optional. RUNNING A TOURNAMENT? Build the draw at app.ipponboard.com and each mat's bouts arrive on its board. Practise before each mat starts, then start the mat and the bouts follow one after another. Results go straight back, and the brackets and results fill in by themselves. If the venue Wi-Fi drops, every mat keeps scoring: results are saved on the device and sent when it's back. TRY IT FIRST A demo tournament is built in: three days on two mats, with judo, grappling and a teams day. Nothing is sent anywhere.

What’s new

Version 1.8.0 · Updated October 10, 2026

Ippon Board now runs on iPhone and iPhone Duo, plus practice mode, a demo tournament, more sports, your own rules and team matches. ON iPHONE AND iPHONE DUO • iPhone Duo: unfolded, the full board; half-open, a tabletop layout with the board standing up and the controls flat; folded, every score, the clock and the hold-down • Other iPhones get the same compact board with the rest under More • Plug in a TV or use AirPlay from iPhone too: the hall sees the scoreboard alone • Swap white and blue sides to match where you sit TOURNAMENT DAYS (with app.ipponboard.com) • Practice mode: before a mat starts, "Mat 1 starts at 9:00", Practise (nothing is recorded), then Start Mat 1. Practise again while you wait for the final block • A demo tournament built in: three days on two mats, with judo, grappling and a teams day. Nothing is sent anywhere • Tournaments (the trophy) are separate from your account (the cloud), and you can leave a tournament from anywhere • Each mat's bouts arrive on its board; results go back by themselves and the next bout loads • If the organiser corrects a result, the boards update straight away • Extra bouts on a mat are recorded separately, without touching the draw • Keeps scoring when the Wi-Fi drops: results are saved on the device and sent when it's back YOUR FREE IPPONBOARD ACCOUNT • Sign up from the board and it signs itself in, with a code shown on the board to confirm • Keep your rule presets and team formats on every board MORE SPORTS ON ONE BOARD • Judo, freestyle wrestling (UWW), ADCC, BJJ (IBJJF) and sambo (FIAS), each on its own official rules • Make your own rules, with versions for each age group and round TEAM MATCHES • IJF team formats and your own; for a quick match, type two team names and start FEEDBACK • Send feedback from the app (Help or More) • Anonymous usage (country, device, how it's used) helps us improve it; turn it off in Settings Plus many fixes.

App privacy

The developer, ZGuy Software Solutions, reported these privacy practices to Apple.

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Contact Info: Email Address, Name
  • User Content: Customer Support, Other User Content
  • Identifiers: User ID, Device ID

Used for: Developer’s Advertising or Marketing, Analytics, App Functionality

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Location: Coarse Location
  • Usage Data: Product Interaction
  • Diagnostics: Crash Data, Performance Data

Used for: Analytics, App Functionality

Alternatives to Ippon Board

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