Four in a Row

The classic Connect Four strategy game with intelligent AI that adapts to your skill level. Play solo, challenge friends, or find opponents nearby.

Download on the App Store
Free to play · No ads · iOS 17.0+
Main menu with game modes Gameplay showing a winning board Active game against the computer Difficulty selection screen Game statistics and win rate Settings screen Local Play with nearby players Pass and Play setup How to Play tutorial Support the developer
Game Modes

Three ways to play

Whether you want to test your skills against an intelligent AI, challenge a friend, or find a nearby opponent.

Single Player

Challenge an intelligent AI across five difficulty levels. The adaptive AI learns your play style and adjusts its strength for the perfect match.

Pass & Play

Two players, one device. Customize player names, enable a turn timer, and track scores across multiple games.

Local Play

Find opponents nearby on the same network. Host a game or join one — no account or internet required.

Intelligent AI

An opponent that grows with you

Our AI doesn't just play — it learns. It studies your moves, tracks your win patterns, and dynamically adjusts its strength to keep every game exciting and challenging.

Win a few games in a row and the AI ramps up the pressure. Struggling? It eases off so you can learn new strategies and improve your game.

Powered by a tournament-grade minimax engine with alpha-beta pruning, position caching, and opening book knowledge — delivering smart, responsive gameplay that feels like a real opponent.

Adaptive difficulty automatically matches your skill level
  • 1
    BeginnerGentle play with basic blocking — great for learning
  • 2
    CasualLight strategy evaluation — good for building skills
  • 3
    MediumFull board evaluation — a fair and fun challenge
  • 4
    ExpertAdvanced strategy with position caching — tough to beat
  • 5
    MasterMaximum strength — tournament-level, nearly unbeatable
AI-Powered

Smart features that enhance your game

Advanced AI technology working behind the scenes to deliver the best possible gaming experience.

Adaptive Difficulty

The AI continuously monitors your performance and dynamically adjusts its strength. It profiles your skill level, tracking win rates and streaks to find your sweet spot.

Move Hints

Stuck on your next move? The AI analyzes the board and highlights the best columns for you. A great way to learn winning strategies from the engine itself.

On-Device Processing

All AI calculations happen locally on your device. No cloud, no servers, no waiting. Instant moves with zero latency and full privacy.

Features

Everything you need

A polished experience with powerful features, all wrapped in a beautiful dark interface.

Full Statistics

Track wins, losses, streaks, win rate, and performance per difficulty. View your recent game history.

Turn Timer

Add pressure with a configurable turn timer in Pass & Play mode. Set between 10 and 120 seconds per turn.

Move Hints

Stuck on your next move? Enable hints to highlight suggested columns while you play.

Undo & Redo

Made a mistake? Unlimited undo and redo with full game state restoration.

Privacy First

No data collection, no tracking, no ads. All game data stays on your device.

9 Languages

Play in English, Dutch, German, French, Spanish, Italian, Portuguese, Polish, or Turkish.

No Tracking

Zero analytics or device identifiers collected

Local Storage

All data stays on your device

No Ads

Completely ad-free experience

Kid-Friendly

Safe for all ages, COPPA compliant

Ready to play?

Download Four in a Row for free and start connecting four today.

Download on the App Store