# Digimon Card Game Tutorial App vs Deck Builder for Union Arena

The clearest difference is in-app purchases: Digimon Card Game Tutorial App at none against Deck Builder for Union Arena's 2. Digimon Card Game Tutorial App also leads on ads (none vs shown) and ratings volume (327 vs 44). Deck Builder for Union Arena's advantage is rating (4.5 vs 4.0) and update cadence (weekly vs every 18 months). On price, review sentiment and device support there is nothing between them.

Both are free to download. Deck Builder for Union Arena sells 2 in-app purchases, starting at $4.99 per month. Digimon Card Game Tutorial App asks for nothing beyond the download.

Deck Builder for Union Arena holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Digimon Card Game Tutorial App has 327 ratings behind it against 44, so its average is the more settled of the two. Written reviews complicate that: 69% of Digimon Card Game Tutorial App's written reviews are positive against 64% of Deck Builder for Union Arena's, so the app with the better star average is not the one people write more warmly about.

Digimon Card Game Tutorial App ships an update every 18 months, Deck Builder for Union Arena weekly. The most recent releases landed on August 13, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | Digimon Card Game Tutorial App | Deck Builder for Union Arena |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (327 ratings)](https://appshunter.io/ios/app/digimon-card-game-tutorial-app/id1537360543/reviews) | **[4.5 (44 ratings)](https://appshunter.io/ios/app/deck-builder-for-union-arena/id6563139619/reviews)** |
| Number of ratings | **327** | 44 |
| Positive reviews | **69.2% of reviews** | 63.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 18 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 289 MB | 80 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [BANDAI Co., Ltd.](https://appshunter.io/developer/359834423) | [Nicholas Martin Geil](https://appshunter.io/developer/1757209176) |

## What reviewers say

### Digimon Card Game Tutorial App

[App page](https://appshunter.io/ios/app/digimon-card-game-tutorial-app/id1537360543)

Learn and play the Digimon Card Game with this tutorial app. It offers guided lessons for basic rules and allows you to practice with pre-made decks. Experience the trading card game on your mobile device.

**Highlights:** Tutorial Mode for basic rules, Free Battle Mode for practice, Play with 3 different start decks, Mobile and tablet compatibility

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Great tutorial
- 🚀 Easy to learn
- 💡 Potential for full game
- 👍 Helpful for learning the physical game

**What reviewers complain about**

- 🐛 Bugs and crashes
- 🔍 Limited content (only 3 decks)
- 📱 Small screen size issues
- 🤔 AI difficulty too high for beginners

**Reported bugs**

- Card effects not working correctly
- Inability to digivolve certain Digimon
- Opponent's cards suddenly becoming overpowered

**Requested features**

- Make a full online version of the game
- Add more deck options and customization
- Introduce online multiplayer
- Translate to more languages
- Expand content with more tutorials and mechanics


### Deck Builder for Union Arena

[App page](https://appshunter.io/ios/app/deck-builder-for-union-arena/id6563139619)

This fan-made companion app helps you build, manage, and share decks for the Union Arena TCG. It features a comprehensive card database, TCGPlayer value integration, and the ability to buy cards directly within the app.

**Highlights:** Extensive card database, Deck building and management, Card scanning for collection, Community deck sharing, TCGPlayer value integration, Offline collection access

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Union Arena Pro | $4.99 | per month |
| Remove All Ads | $4.99 | one-time |


## Frequently asked questions

### Is Digimon Card Game Tutorial App free?

Digimon Card Game Tutorial App is free to download, with no in-app purchases.

### Is Deck Builder for Union Arena free?

Deck Builder for Union Arena is free to download, with in-app purchases available.

### Which has better reviews, Digimon Card Game Tutorial App or Deck Builder for Union Arena?

Deck Builder for Union Arena is rated higher. Digimon Card Game Tutorial App averages 4.0 out of 5 from 327 ratings, while Deck Builder for Union Arena averages 4.5 from 44 ratings.

### Do Digimon Card Game Tutorial App or Deck Builder for Union Arena have ads?

Deck Builder for Union Arena shows ads; Digimon Card Game Tutorial App does not.

### Which is updated more often, Digimon Card Game Tutorial App or Deck Builder for Union Arena?

Digimon Card Game Tutorial App ships an update every 18 months, and Deck Builder for Union Arena weekly. Most recently, Digimon Card Game Tutorial App was updated on August 13, 2026 and Deck Builder for Union Arena on August 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*