Deck Doctor

Rate My Clash Royale Deck

The fastest way to rate a Clash Royale deck is to score it on the four things that actually decide ladder games: synergy, card levels, meta fit, and hero synergy. The deck rater above does this with AI in about ten seconds — paste your eight cards, enter your trophy count, and you get a grade out of 100 plus the single highest-impact swap. No login, no payment.

Most decks that get stuck on ladder fail the same checks: no big spell, two cards fighting over the win-condition slot, an elixir average above 4.2, or an off-meta card for the trophy range. The rater flags these explicitly so you know why the deck is graded the way it is, not just the number.

How the deck rater grades your deck

• Synergy — do your cards set up and protect each other, or just sit next to each other?
• Card levels — which of your eight cards most need an upgrade for your trophy range.
• Meta fit — how your archetype matches what is actually winning at your trophies right now.
• Hero & evolution fit — whether your one hero and evolution slot reinforce the same plan.

Building a new deck from scratch? Start in the Deck Builder to assemble any 8 cards and get an instant deterministic grade and elixir curve, then bring it here for AI swaps and a game plan. Want a deck from the cards you already own? The collection-aware Deck Finder ranks every top meta deck by what you can build today. Newer to deck construction? Read the deck building guide.

Frequently Asked Questions

How do I rate my Clash Royale deck?

Paste your 8 cards and your trophy count into the deck rater above and you get an instant letter grade from S down to F, plus a Synergy Score and a Meta Alignment score out of 10. The AI judges four things — synergy, card levels, meta fit, and hero synergy — then names the weak card and the swap that raises the grade most. It takes about ten seconds and needs no login.

How does the deck rater analyze my deck?

The deck rater uses AI to evaluate your 8-card deck across four dimensions: synergy (how well your cards work together), card levels (which upgrades matter most), meta fit (how your deck matches current top ladder archetypes), and hero synergy. It then suggests specific card swaps to strengthen weak spots.

Is Deck Doctor free to use?

Yes. Deck Doctor is completely free with no login required. Enter your 8 cards and trophy count to get an instant AI analysis with a grade, synergy score, and personalized swap suggestions.

What trophy ranges does Deck Doctor support?

Deck Doctor analyzes decks for any trophy range from Arena 1 to Ultimate Champion. The AI adjusts its advice based on your trophies — a deck that works at 5,000 trophies may need different swaps at 7,000+.

How accurate are the card swap suggestions?

Swap suggestions are based on the current meta snapshot at your trophy range, real usage and win rate data, and established card synergy patterns. The AI suggests at most 2 swaps to keep changes manageable.

What makes a good deck rating in Clash Royale?

A strong deck grades A or S here. That means a clear win condition, a defensive building or anchor, a small spell and a big spell, balanced elixir (2.8–4.2 average), and no two cards competing for the same job. Decks that grade D or F are usually missing a spell, double up on win conditions, or run cards that are off-meta at your trophy range.

What do the Deck Doctor grades and scores mean?

Deck Doctor gives your deck one overall letter grade and two scores out of 10. The grade ladder has six steps: S (Meta-Defining), A (Excellent), B (Solid), C (Needs Work), D (Weak), and F (Rebuild). S and A decks are ladder-ready as they stand, B usually needs one of the suggested swaps, C and D need both, and F means a core role is missing — a win condition, a spell, or a defensive anchor. The Synergy Score (0–10) rates how well the 8 cards work together: support for the win condition, spell coverage, and defensive anchors; the strengths and gaps listed under it are the reasons for the number. The Meta Alignment score (0–10) rates how the deck matches the top archetypes at your trophy range and lists the decks that threaten it and the ones it beats. Both bars turn green at 7 or above, amber from 4 to 6, and red at 3 or below. A low synergy score next to a decent grade is normal — the grade weighs synergy, meta fit, card levels, and hero synergy together — and both numbers are the AI coach's judgement of your exact 8 cards, not a measured win rate. The suggested swaps are what to change; rerun the analysis after a swap to see the grade move.

Is this a deck rater or a deck builder?

It rates the deck you already run and tells you exactly what to change. If you want help finding a full deck from the cards you own, use the collection-aware Deck Builder & Finder instead — then bring the result back here to rate it and fine-tune the last one or two cards.

How do I mark a card as its Hero or Evolution form?

Every card tile shows a Hero and/or Evo button underneath it — tap the button to switch that card to its Hero or Evolution form, and tap it again to go back to the base card. The buttons only appear on cards that have that form in the game (16 Heroes and 44 Evolutions as of September 2026). The game gives you one Evolution slot, one Hero slot, and one Wild slot that takes either, so you can mark at most 2 Evolutions, at most 2 Heroes, and 3 forms in total; a button that would break that is greyed out. The buttons are there on your auto-loaded deck too: the game never reports which Hero or Evolution you actually run, so mark them yourself and the grade, swaps, and chat treat the card as that form.