Comparison

Kill the King vs ChessOnes

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Kill the King

Experience chess like never before with real-time strategy. Move any piece out-of-turn based on its cooldown, turning classic chess into a frantic army battle. Play online with friends or strangers, or challenge a difficult AI.

Highlights
  • Real-time strategy chess
  • Out-of-turn piece movement
  • Piece cooldown timers
  • Frantic 1-on-1 army battles
  • Challenging singleplayer AI
  • Online multiplayer with friends
Features
Read full description

Take chess to the next level by moving any piece you'd like out-of-turn! In this RTS-style chess game, each chess piece has its own "cool down time". You can move each piece every 5 seconds—even if your opponent doesn't make a move! Play free chess online with your friends or with strangers! Singleplayer is great for beginners and experts! I modified an open-source chess AI engine called Garbo-Chess giving even trained chess players a challenge. Kill the King Features: - Queens, rooks and all pieces can move out-of-turn - Extremely difficulty singleplayer AI - Play free multiplayer chess with friends - AI uses a modified, real chess AI engine - Chess becomes a frantic, 1-on-1 army battle If you have any feature that you'd like added, do not hesitate to email me!

About

ChessOnes

Features
Read full description

ChessOnes — Play. Learn & Master Chess. ChessOnes is your all-in-one chess platform — whether you're a beginner learning the rules or a competitive player chasing rating points, ChessOnes has everything you need to play smarter and improve faster. Play Your Way Jump into online matches anytime, anywhere Challenge friends directly or play against bots at any skill level Send invites and manage games right from the app Learn & Improve Structured lessons and courses for every skill level Sharpen your tactics with a growing puzzle library Track your progress as you climb the learning curve Analyze Like a Pro Get Stockfish-powered game reviews after every match Use the built-in explorer to study openings and key positions Understand your mistakes — and your brilliancies Compete & Climb Join tournaments and test yourself against real competition Build your rating and track your growth over time Stay Connected Message opponents and friends in-app Challenge your circle and build your own chess community Whether you've got five minutes for a quick puzzle or an hour for a deep tournament game, ChessOnes fits your game into your life. Download ChessOnes today and make every move count.

Screenshots

Kill the King3 screens
ChessOnes4 screens

Verdict

The call

The clearest difference is in-app purchases: ChessOnes at none against Kill the King's 1. Kill the King's advantage is update cadence (daily vs every 4 weeks) and iOS requirement (8.0 vs 15.1). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Kill the King sells 1 one-off in-app purchase. ChessOnes asks for nothing beyond the download.

UpkeepUpdate frequency

Kill the King ships an update daily, ChessOnes every 4 weeks. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

Scorecard3 real differences · 7 level
Kill the King versus ChessOnes: the parameters behind the verdict, then further details
ParameterKill the KingChessOnes
PriceFreeFree
Rating4.2 (5 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings5 — better—
Update frequencyDaily — betterEvery 4 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.1
Further details — not scored
Size20 MB201 MB
Age rating4+12+
DeveloperJoseph HinkleMuhammad Abid

In-app purchases

1 purchases

Kill the King

One-time1
  • Ad-Free$9.99
None

ChessOnes

No in-app purchases

Questions

Is Kill the King free?
Kill the King is free to download, with in-app purchases available.
Is ChessOnes free?
ChessOnes is free to download, with no in-app purchases.
Do Kill the King or ChessOnes have ads?
Neither Kill the King nor ChessOnes shows ads.
Which is updated more often, Kill the King or ChessOnes?
Kill the King ships an update daily, and ChessOnes every 4 weeks. Most recently, Kill the King was updated on October 24, 2026 and ChessOnes on October 26, 2026.

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