# Duel Adviser vs MasterDex

The clearest difference is rating: MasterDex at 4.8 against Duel Adviser's 4.2. MasterDex also leads on ratings volume (1.8K vs 5) and review sentiment (87% vs 67%). Duel Adviser's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. MasterDex sells 2 one-off in-app purchases. Duel Adviser asks for nothing beyond the download.

MasterDex holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: MasterDex has 1.8K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 67% of Duel Adviser's written reviews are positive against 87% of MasterDex's.

Duel Adviser ships an update every 2 days, MasterDex every 3 weeks. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Duel Adviser | MasterDex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/duel-adviser/id1523375153/reviews) | **[4.8 (1.8K ratings)](https://appshunter.io/ios/app/masterdex-complete-guide/id1621464261/reviews)** |
| Number of ratings | 5 | **1.8K** |
| Positive reviews | 66.7% of reviews | **86.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 196 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sebastian Kruse](https://appshunter.io/developer/1199925370) | [Lorenzo Greco](https://appshunter.io/developer/480768196) |

## What reviewers say

### Duel Adviser

[App page](https://appshunter.io/ios/app/duel-adviser/id1523375153)

This application assists players of the Yu-Gi-Oh! Card Game by tracking life points, rolling dice, flipping coins, and managing custom counters. It also provides quick access to ban lists, game history, and card information via a wiki, with an option for peer-to-peer synchronization between devices.

**Highlights:** Life point tracking with calculator, Multi-coin flip and dice roll, Custom counter tracking, Game history log, Ban/Limited list access, Card scanning and wiki lookup, P2P device synchronization

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

**In-app purchases:** none


### MasterDex

[App page](https://appshunter.io/ios/app/masterdex-complete-guide/id1621464261)

This app serves as a comprehensive guide for fans and trainers, offering detailed information on creatures, team building, and the trading card game. It features offline access, advanced search, and tracking for favorite creatures and shinies, updated for the latest generation.

**Highlights:** Updated creature information, Team builder tool, Trading Card Game details, Offline functionality, Shiny creature tracker, Advanced search filters

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Masteredex - Sale | $1.99 | one-time |
| Masterdex PRO | $2.99 | one-time |

**What reviewers like**

- 🚀 Fantastic app
- 👍 Great Pokédex
- 🔒 No ads
- 💡 One-time purchase
- 👍 Aesthetically pleasing

**What reviewers complain about**

- 🐛 Crashing and slow loading
- 🐛 Bugs with team builder
- 🐛 Missing Pokémon forms and gender differences
- 🐛 Incorrect or outdated information
- 💡 Lack of Pokémon location filters

**Reported bugs**

- Shiny toggle not working in team builder
- Pokémon 3D models and artwork not displaying
- Johto region locations missing
- Crashes when adding Pokémon to teams
- Incorrect information for some Pokémon (e.g., Necrozma's ability, Pikachu's classification)

**Requested features**

- Add Pokémon location filters
- Implement ability to mark Pokémon as caught/seen
- Add damage calculator
- Allow reorganizing of teams
- Include Pokémon cries and Dynamax/Gigantamax forms


## Frequently asked questions

### Is Duel Adviser free?

Duel Adviser is free to download, with no in-app purchases.

### Is MasterDex free?

MasterDex is free to download, with in-app purchases available.

### Which has better reviews, Duel Adviser or MasterDex?

MasterDex is rated higher. Duel Adviser averages 4.2 out of 5 from 5 ratings, while MasterDex averages 4.8 from 1.8K ratings.

### Do Duel Adviser or MasterDex have ads?

MasterDex shows ads; Duel Adviser does not.

### Which is updated more often, Duel Adviser or MasterDex?

Duel Adviser ships an update every 2 days, and MasterDex every 3 weeks. Most recently, Duel Adviser was updated on October 21, 2026 and MasterDex 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.*