MasterDex vs DuelCodex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MasterDex
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.
- Updated creature information
- Team builder tool
- Trading Card Game details
- Offline functionality
- Shiny creature tracker
- Advanced search filters
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Embark on an epic journey with MasterDex, the ultimate companion for all the fans and trainers. Key Features: ▶ Updated to Scarlet and Violet: Stay up-to-date with the latest generation of creatures, including their unique forms, evolutions, and abilities. ▶ Team Builder: Strategize and assemble your dream team using MasterDex's intuitive team-building feature. Plan your battles and unleash the power of synergy. ▶ TCG Info Included: Dive into the Trading Card Game world with comprehensive TCG information, including card details, prices, and rarity. ▶ No Login Required: Get instant access to a wealth of creature knowledge without the hassle of creating an account or remembering credentials. ▶ Works Offline: MasterDex is designed to be your reliable companion, even when you're offline. Access crucial information on the go, no matter where your adventures take you. ▶ Special Evolutions and Alternative Forms: Uncover the secrets of special evolutions and explore the diverse range of alternative forms within this captivating universe. ▶ Create a List of Your Favorite Creatures: Keep track of your most cherished companions. ▶ Keep Track of Your Shinies: Stay organized and track your shiny creatures with ease. MasterDex helps you monitor and celebrate your rare and unique discoveries. ▶ Detailed Information: Access to comprehensive details on creatures, moves, abilities, natures, items locations, and types. ▶ Advanced Search Filters: Find the creatures you're looking for effortlessly using advanced search filters. Narrow down your search based on various criteria. Embark on an extraordinary journey with MasterDex, your go-to companion. Please note that MasterDex is an unofficial, fan-made, and free-to-use app. It is not affiliated with or endorsed by the creators of the captivating world. Start your adventure today and become a true master!"
DuelCodex
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DuelCodex is an unofficial companion app for Yu-Gi-Oh! players who want a fast way to browse cards, explore decks, review skills and news, and use practical duel tools from one place. Features include: • Searchable card database with detailed card information. • Deck browsing and deck-building tools. • Skill reference for supported game formats. • News and update browsing. • Duel simulator and practical duel utilities. • Favorites, local preferences and convenient sharing/export tools. DuelCodex is an independent, unofficial companion application. Yu-Gi-Oh! names, card artwork and related trademarks belong to their respective owners. DuelCodex is not affiliated with or endorsed by KONAMI.
Screenshots
Verdict
The clearest difference is in-app purchases: DuelCodex at none against MasterDex's 2. DuelCodex also leads on update cadence (every 6 days vs every 3 weeks). On price, ads, device support and iOS requirement 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
Both are free to download. MasterDex sells 2 one-off in-app purchases. DuelCodex asks for nothing beyond the download.
MasterDex ships an update every 3 weeks, DuelCodex every 6 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | MasterDex | DuelCodex |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (1.8K ratings) — better | — |
| Positive reviews | 86.6% of reviews | — |
| Number of ratings | 1.8K — better | — |
| Update frequency | Every 3 weeks | Every 6 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 | 16.4 — better |
| Further details — not scored | ||
| Size | 196 MB | 54 MB |
| Age rating | 4+ | 12+ |
| Developer | Lorenzo Greco | Phuc Pham |
Bugs and requests
MasterDex
Reported bugs
5 issues- 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
9 requests- 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
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- Add Pokémon trainer and villain information
- Provide option to change default sprite view
- Implement Tera Type information
- Add item location and TM/HM information
DuelCodex
Not enough reviews yet to summarise bugs or requests.
In-app purchases
MasterDex
- Masteredex - Sale$1.99
- Masterdex PRO$2.99
DuelCodex
No in-app purchases
