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Screenshots

  • Deck Builder for Union Arena screenshot 1
  • Deck Builder for Union Arena screenshot 2
  • Deck Builder for Union Arena screenshot 3
  • Deck Builder for Union Arena screenshot 4

About Deck Builder for Union Arena

Note: This app is not affiliated with or endorsed by the official Union Arena game publishers or Bandai Card Games. It is a fan-made companion app designed to enhance your gaming experience. Deck Builder for Union Arena: Your Ultimate Union Arena TCG Companion and official partner of TCGPlayer! See the TCGPlayer value of any card, deck, or collection. Buy any card or deck, including net decks, right from the app. Dive into the world of Union Arena with the most comprehensive deck-building and card management app available! Key Features: • Browse and search through an extensive card database • Build and manage your decks with ease • Scan your physical cards to quickly add them to your collection • Share your decks and discover new strategies from the community • High-quality card images for an immersive experience • Offline access to your entire collection Whether you're a seasoned pro or just starting out, Union Arena Decks is your go-to tool for mastering the game. With our intuitive interface, you can effortlessly create, edit, and analyze your decks to gain the competitive edge. Exclusive Pro Features: • Ad-free experience • Advanced deck analysis tools • Priority support Stay ahead of the competition with real-time updates on new card releases and meta shifts. Our app syncs across devices, ensuring your collection is always up-to-date and accessible. Join thousands of Union Arena enthusiasts and take your game to the next level. Download Union Arena Decks now and unleash your strategic potential! Terms of Service: https://unionarenadecks.com/markdown-page?page=terms-of-service Privacy Policy: https://unionarenadecks.com/markdown-page?page=privacy-policy EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Ratings & reviews

4.3

72 ratings

5 ★ 78% 4 ★ 6% 3 ★ 3% 2 ★ 1% 1 ★ 13%

What’s new

Version 1.2.30 · Updated August 4, 2025

Bugfixes and performance increases

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App privacy

The developer, Nicholas Martin Geil, reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Usage Data: Advertising Data

Data Linked to You

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

  • Usage Data: Product Interaction
  • Purchases: Purchase History
  • Contact Info: Email Address, Name
  • Identifiers: User ID, Device ID

Used for: Analytics, Product Personalization, 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:

  • Usage Data: Advertising Data
  • Surroundings: Environment Scanning

Used for: Third-Party Advertising, App Functionality