Comparison

UNION ARENA Tutorial App vs Grimoria

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

UNION ARENA Tutorial App

Learn the rules and strategies of a new trading card game. This app offers tutorial modes to grasp basic gameplay and free battle modes to practice with different decks. Experience the excitement of the game with guided learning.

Highlights
  • Learn basic rules
  • Tutorial Mode
  • Free Battle Mode
  • Practice with decks
  • Experience trading card game
Read full description

Let’s learn how to play UNION ARENA! A tutorial app that lets you experience the brand-new trading card game " UNION ARENA" is now available! •Learn how to play UNION ARENA English version! First use the "Tutorial Mode" to learn and get used to the basic rules of the game, and then start playing freely in the "Free Battle Mode"! You can use the HUNTER×HUNTER deck to learn the rules and enjoy battling! In "Free Battle Mode",You can use the BLEACH: Thousand-Year Blood War, JUJUTSU KAISEN, CODE GEASS: Lelouch of the Rebellion, and SOLO LEVELING decks as well. Experience the excitement of Union Arena with the Tutorial App!

About

Grimoria

Features
Read full description

Grimoria is your all-in-one Magic: The Gathering collection manager, deck builder, and price tracker — free, beautiful, and built for players. SCAN CARDS WITH YOUR CAMERA Point your phone at any MTG card and identify it instantly. Local hash matching means no server needed — it works offline. Scanned cards drop straight into your collection with one tap. Link your phone to a desktop for fast multi-card scanning sessions. MANAGE YOUR COLLECTION Track every card you own across custom binders and deck boxes. Record condition, language, purchase price, and current market value. Organize 100,000+ cards, see your total collection value in real time, and never lose track of where a card lives. POWERFUL DECK BUILDER Build decks for Commander, Modern, Standard, Pioneer, Legacy, and 10+ other formats. Real-time legality checking validates your deck instantly. View mana curve, deck statistics, and combo detection. Share decks with the community or keep them private. SMART BUDGET ALTERNATIVES Our AI similarity engine analyzes card mechanics and gameplay roles to find budget-friendly replacements for expensive staples. Swap a $30 card for a $3 card that plays the same role — without losing deck power. REAL-TIME PRICE TRACKING Monitor card prices from TCGplayer and Cardmarket in USD or EUR. Set price watches with target prices and alert directions. Hourly price checks send you notifications when deals hit. Track your collection's value trends over time. GENERATE COMPETITIVE COMMANDER DECKS Use the Commander Deck Generator powered by EDHREC to build 100-card decks from community staples. Filter by theme, budget tier, and color identity. Prioritize cards you already own. Save generated decks directly to your collection. UPGRADE PRECONSTRUCTED DECKS Own a precon? Grimoria analyzes it and suggests budget-friendly upgrades validated by the community. See exactly which cards to remove and add, with cost breakdowns and synergy scores. CREATE & SHARE WISHLISTS Build wishlists with target prices and get notified when cards hit your budget. Create shareable trade lists with balance tracking and QR codes for trading at events. Prune your collection into sell lists with deck cross-reference and export to PDF or TCGplayer format. BROWSE 100,000+ CARDS Search the full MTG encyclopedia with advanced filters: color, type, format legality, mana cost, rarity, price range, oracle text. View prices, rulings, all printings, foil availability, flavor text, and AI-powered similar card suggestions. Check pull rates and set statistics. FULL OFFLINE ACCESS Build decks, manage your collection, and scan cards anywhere — no internet required. All 100,000+ cards are available offline. When you reconnect, your data syncs automatically across all your devices. ALSO INCLUDED - Multi-currency: USD (TCGplayer) and EUR (Cardmarket) - Booster pack pull-rate statistics from official WotC sources - Dark mode with system theme detection - Import from CSV, Moxfield, Archidekt, ManaBox - Export collection, decks, sell lists in multiple formats - Biometric login and secure authentication - Cross-device sync with background updates - Community deck browsing - Price spike alerts and trending cards - Combo detection in your decks 100% free. Your collection is always yours — export anytime. Available on the web at grimoria.app and as mobile app with push notifications, biometric login, and offline deck building. Not affiliated with or endorsed by Wizards of the Coast. Magic: The Gathering is a trademark of Wizards of the Coast LLC.

Screenshots

UNION ARENA Tutorial App4 screens
Grimoria4 screens

Verdict

The call

The clearest difference is update cadence: Grimoria at every 4 days against UNION ARENA Tutorial App's every 3 months. UNION ARENA Tutorial App's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

UNION ARENA Tutorial App ships an update every 3 months, Grimoria every 4 days. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.

Scorecard2 real differences · 8 level
UNION ARENA Tutorial App versus Grimoria: the parameters behind the verdict, then further details
ParameterUNION ARENA Tutorial AppGrimoria
PriceFreeFree
Rating4.4 (32 ratings) — better—
Positive reviews90.9% of reviews—
Number of ratings32 — better—
Update frequencyEvery 3 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size216 MB82 MB
Age rating4+12+
DeveloperBANDAI Co., Ltd.Cosimo Alfredo Pina

In-app purchases

None

UNION ARENA Tutorial App

No in-app purchases

None

Grimoria

No in-app purchases

Questions

Is UNION ARENA Tutorial App free?
UNION ARENA Tutorial App is free to download, with no in-app purchases.
Is Grimoria free?
Grimoria is free to download, with no in-app purchases.
Do UNION ARENA Tutorial App or Grimoria have ads?
Neither UNION ARENA Tutorial App nor Grimoria shows ads.
Which is updated more often, UNION ARENA Tutorial App or Grimoria?
UNION ARENA Tutorial App ships an update every 3 months, and Grimoria every 4 days. Most recently, UNION ARENA Tutorial App was updated on October 16, 2026 and Grimoria on October 5, 2026.

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