META INSIDER OCGOpen KodeX on web →
Duel Synapse · by MEIOCG

KodeX

Every card. Every ruling. In your pocket.

The Yu-Gi-Oh! card and rulings app from Meta Insider OCG. Search any card in seconds, settle table disputes with official rulings, and scan cards straight from your camera.

Coming soonGet it onGoogle PlayTry it on the web
Free to downloadOCG & TCG cardsPlay with Friends
Duel Synapse
KodeX
🔍 ash blossom
AllMonstersSpellsTraps
Ash Blossom & Joyous SpringTuner · FIRE · Lv 3
12 rulings
Called by the GraveQuick-Play Spell
8 rulings
Infinite ImpermanenceNormal Trap
15 rulings
Effect VeilerTuner · LIGHT · Lv 1
9 rulings
RULINGCan be chained to any effect that adds a card from the Deck to the hand…
📷
Card scannedMatched by artwork
⚖️
Ruling foundin 0.2 seconds
Why duelists use KodeX

Built for the table, not the textbook.

Everything you need between rounds, at locals or at regionals — fast, clean and made for your phone.

Instant card search

Find any Monster, Spell or Trap by name or text. Filter by type and jump straight to the details.

Rulings that settles

Read card rulings and interactions in one place, so the judge call is clear before the argument starts.

Card scanner

Point your camera at a card and KodeX identifies it — even Japanese cards, recognised by their artwork.

App exclusive

Arena playtesting (And MORE)

Test your deck or duel online in the KodeX Arena — perfect for tuning your list before the next event.

Always up to date

Kept current by Meta Insider OCG — the team behind PH's leading Yu-Gi-Oh! OCG publication.

Make it yours

Adjust text size, toggle card pictures and set your own wallpaper for a KodeX that feels like your deck box.

Card identified
Only in the app

Scan it. Know it. Play it.

The KodeX scanner is the fastest way to look up a card you're holding — no typing, no guessing the English name.

  • Recognises artwork, not just printed text
  • Works with Japanese cards — ideal for OCG players
  • Jumps straight to rulings for the card you scanned
Coming soonGet it onGoogle Play
Free to start

Download free. Go Premium when you're ready.

KodeX is free on Google Play. Duel Synapse Premium is on the way for players who want more.

KodeX Free

₱0 · Google Play
  • Full card search and rulings
  • Camera card scanner
  • Arena deck playtesting
  • Custom wallpaper & display settings
Coming soon

Duel Synapse Premium

Subscription · in-app
  • Remove all ads
  • Exclusive premium features
  • Support MEIOCG and the PH community
Step up your game

Get KodeX on your phone.

Your next ruling is one tap away. Download Duel Synapse KodeX from Google Play.

Coming soonGet it onGoogle PlayUse the web version
On your computer?
Scan with your phone to
open KodeX on Google Play.