# UNION ARENA Tutorial App vs Card Scanner for OPTCG

The clearest difference is review sentiment: UNION ARENA Tutorial App at 91% against Card Scanner for OPTCG's 43%. UNION ARENA Tutorial App also leads on rating (4.4 vs 3.8) and in-app purchases (none vs 3). Card Scanner for OPTCG's advantage is update cadence (daily vs every 3 months). On price and ads there is nothing between them.

Both are free to download. Card Scanner for OPTCG sells 3 in-app purchases, starting at $9.99 per 7 days. UNION ARENA Tutorial App asks for nothing beyond the download.

UNION ARENA Tutorial App holds the better App Store score, 4.4 against 3.8. That said, the two scores are not equally well evidenced: UNION ARENA Tutorial App has 32 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 91% of UNION ARENA Tutorial App's written reviews are positive against 43% of Card Scanner for OPTCG's.

UNION ARENA Tutorial App ships an update every 3 months, Card Scanner for OPTCG daily. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | UNION ARENA Tutorial App | Card Scanner for OPTCG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (32 ratings)](https://appshunter.io/ios/app/union-arena-tutorial-app/id6578425605/reviews)** | [3.8 (5 ratings)](https://appshunter.io/ios/app/card-scanner-for-optcg/id6747088496/reviews) |
| Number of ratings | **32** | 5 |
| Positive reviews | **90.9% of reviews** | 42.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | **Free** | Subscription |
| Size | 216 MB | 108 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BANDAI Co., Ltd.](https://appshunter.io/developer/359834423) | [Biographics Consultoria e Design LTDA](https://appshunter.io/developer/1264090171) |

## What reviewers say

### UNION ARENA Tutorial App

[App page](https://appshunter.io/ios/app/union-arena-tutorial-app/id6578425605)

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

**In-app purchases:** none


### Card Scanner for OPTCG

[App page](https://appshunter.io/ios/app/card-scanner-for-optcg/id6747088496)

Easily identify and track your collectible cards with instant camera recognition and a personal collection manager. Monitor your portfolio's value and manage your digital binder for your favorite trading card game.

**Highlights:** Instant card scanning, Personal collection tracker, Portfolio value evolution, Digital binder management, Favorite card marking, Condition grading logging

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Piece 1 Week Premium | $9.99 | per 7 days |
| One Piece Yearly Premium | $9.99 | per year |
| Lifetime Access Launch Offer | $19.99 | one-time |


## Frequently asked questions

### Is UNION ARENA Tutorial App free?

UNION ARENA Tutorial App is free to download, with no in-app purchases.

### Is Card Scanner for OPTCG free?

Card Scanner for OPTCG is free to download, with in-app purchases available.

### Which has better reviews, UNION ARENA Tutorial App or Card Scanner for OPTCG?

UNION ARENA Tutorial App is rated higher. UNION ARENA Tutorial App averages 4.4 out of 5 from 32 ratings, while Card Scanner for OPTCG averages 3.8 from 5 ratings.

### Do UNION ARENA Tutorial App or Card Scanner for OPTCG have ads?

Neither UNION ARENA Tutorial App nor Card Scanner for OPTCG shows ads.

### Which is updated more often, UNION ARENA Tutorial App or Card Scanner for OPTCG?

UNION ARENA Tutorial App ships an update every 3 months, and Card Scanner for OPTCG daily. Most recently, UNION ARENA Tutorial App was updated on October 23, 2026 and Card Scanner for OPTCG on October 24, 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.*