Decoder vs Concordia
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Decoder
This app assists players in solving the Mastermind logic game. It helps narrow down possible solutions by analyzing your guesses and their scores. Continue inputting your game progress until only one solution remains.
- Mastermind game solver
- Input guesses and scores
- Reduces possible solutions
- Guides to single solution
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This is NOT another mastermind look alike game. However, if you like to play mastermind, you would want to get this application. This application helps you solve the mastermind game. Use the first picker to select a guess. Then select the score you got for that guess on the second picker and click Decode. The application will determine the remaining possible solutions. The number of remaining possible solution is shown on the toolbar. Repeat the above steps until one solution is left.
Concordia
Become a powerful Roman merchant in this turn-based strategy game. Build a trade empire, expand your reach across ancient maps, and make crucial decisions to outmaneuver opponents. Offers deep strategic gameplay with infinite replayability through expansions.
- Build trade empire
- Trade goods and expand cities
- Manage colonists and action cards
- Play on various maps
- Customize with expansions
- Play against AI or friends
- Cross-platform multiplayer
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Concordia is a strategic, Euro-style boardgame. Players take the roles of powerful Roman merchants and follow the Roman expansion with their trade routes, franchises, and production houses. Plan ahead and make crucial decisions every turn. Always be prepared to make a trade off - your actions can very well benefit other players as well as yourself. What is Concordia? Concordia: Digital Edition is a turn-based strategy game where 2 to 6 players face each other in the fight for wealth and influence. You will build your trade empire on one of several maps of the ancient world. Using actions on the cards you will plan and execute your strategy to get an edge on your competition. Each of your decisions can benefit both you and your opponents. Send your colonists to new cities, across the land or sea and build houses to expand your trade empire! What makes Concordia great? Concordia is a game with rules that are easy to learn, but mastering it can take a lifetime! With additional maps and expansions along the way (all the official ones, in fact), the replayability of Concordia: Digital Edition is near infinite. Play against the AI or challenge your friends in the hot seat mode or online cross platform multiplayer! The authentic feel of the board game, along with the intuitive UI makes it the perfect addition to your gaming collection! What can you expect? • Build your trade empire • Trade goods and expand to different cities • Manage your colonists, storage space and action cards • Try out variety of different maps • Customize your game with expansions modules • Become the greatest merchant of ancient Rome! • Easy to learn, hard to master • High strategic depth. Be ready to make trade offs! • Official Concordia rules consulted with game's designer • Play with AI, friends or both - great experience for both solo and group play • All of the official expansions will be released • Unique experience of a board game with convenience of a digital platform • Interactive tutorial that will teach you how to play The original board game's awards and honors: 2017 Gra Roku Advanced Game of the Year Nominee 2016 MinD-Spielepreis Complex Game Nominee 2015 Nederlandse Spellenprijs Best Expert Game Winner 2014 Kennerspiel des Jahres Nominee 2014 JUG Adult Game of the Year Finalist 2014 Jogo do Ano Nominee 2014 International Gamers Award - General Strategy: Multi-player Nominee 2013 Meeples' Choice Winner 2013 Jocul Anului în România Advanced Finalist Get Concordia: Digital Edition and become the greatest merchant of ancient Rome!
Screenshots
Verdict
The clearest difference is price: Decoder at Free against Concordia's $9.99. Decoder also leads on in-app purchases (none vs 7) and iOS requirement (7.0 vs 15.0). Concordia's advantage is review sentiment (45% vs 0%) and rating (3.5 vs 1.2). On ads 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
Decoder is free to download; Concordia costs $9.99 up front. Concordia sells 7 one-off in-app purchases. Decoder asks for nothing beyond the download.
Concordia holds the better App Store score, 3.5 against 1.2. That said, the two scores are not equally well evidenced: Concordia has 89 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of Decoder's written reviews are positive against 45% of Concordia's.
Decoder ships an update every 7 months, Concordia monthly. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.
| Parameter | Decoder | Concordia |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 1.2 (5 ratings) | 3.5 (89 ratings) — better |
| Positive reviews | 0.0% of reviews | 44.8% of reviews — better |
| Number of ratings | 5 | 89 — better |
| Update frequency | Every 7 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Best chart rank | — | #126 — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 7.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 1 MB | 453 MB |
| Age rating | 4+ | 12+ |
| Developer | Edwin Hou | Acram Digital |
Customer experience
Decoder
Concordia
In-app purchases
Decoder
No in-app purchases
Concordia
- Gallia & CorsicaFree
- Britannia & Germania$2.99
- Aegyptus & Creta$2.99
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