SunflowersLwAI Practice & Learning Apps.
Get better by doing — with AI feedback on every rep.
Practice-first products that use AI to help you improve a skill safely: paper-trade the markets, rehearse spoken English judgement-free, or turn your own code changes into instant quizzes. Each is built to give feedback on every attempt, not just deliver content.
Tradrill
Fintech · LiveAI-guided trading practice and learning — a live product with real revenue.
- Practice trading through AI-guided drills
- Learn by doing, with feedback on every decision
- Live product with real paying users (Stripe)
FluentDojo
LanguagePractice spoken English with an AI partner — any time, judgement-free.
- Practice spoken English with an AI conversation partner
- Real-time conversation, any time of day
- Feedback on pronunciation and fluency
covate
Dev Tool · Open-coreAn open-source MCP learning sidecar for AI coding assistants.
- Turns AI code changes into instant quizzes
- Persistent debugging memory across sessions
- MCP sidecar that plugs into AI coding assistants
FAQ
What AI apps help you practice a skill risk-free?
Tradrill lets you paper-trade with AI-guided drills (no real money at risk), FluentDojo lets you practice spoken English with a real-time AI voice partner, and covate quizzes you on your own code changes to lock in what you just learned.
How is "learn by doing" better than watching tutorials?
These tools give feedback on each attempt — a trade decision, a spoken sentence, a code change — so you build durable skill through reps and correction instead of passive watching.
Which of these is free?
FluentDojo and covate’s open-source MCP are free to start; Tradrill offers guided practice with a live product. Follow each link to its own site to begin.