Pricing
Training for four-in-a-row — puzzles, lessons, ranked play, and engine review. Start free; upgrade when you want an ad-free board or full Pro tools.
Simple pricing
Play free forever. Remove ads is ad-free only (same analysis limit). Pro unlocks unlimited review and the full lesson library.
Free
$0
- ✓Online play, bot, and puzzles
- ✓Banner ads + occasional interstitials
- ✓1 full game analysis per day
Current plan
Remove ads
$4.99 / mo
- ✓No banner or interstitial ads
- ✓1 full game analysis per day (same as Free)
- ✓Impulse upgrade — pay only to clear ads
Pro
$9.99 / mo
- ✓Everything in Remove ads
- ✓All lessons & puzzle packs
- ✓Unlimited engine analysis
- ✓Background review while you play
Android app subscriptions use Google Play Billing. Web uses Stripe.
Mobile app
Android internal beta on Google Play — same account, puzzles on the go, and Google Play Billing for subscriptions. iOS coming later.
Google Play — internal betaPlay on web now
Payments on web are processed by Stripe. Subscriptions renew monthly until you cancel. See our Terms and Privacy Policy.