Idlen vs 99cards.dev
Compare features, pricing, and capabilities to choose the right tool
Idlen
Monetize your idle time.AI Thinks. You Earn.
Monetize your idle time while using AI tools by turning AI wait time into passive income
About
Idlen.io is the first privacy-focused network that monetizes "AI thinking time." Don't just wait for code generation—earn from it. Our VSCode & browser extensions display non-intrusive content during latency to subsidize your AI subscriptions and tokens directly inside your workflow. Turn AI wait time into €20-100/month. Works with Claude, Cursor, ChatGPT, V0, Bolt, Lovable & more. Idlen is the first browser extension that pays you while you wait for AI responses. See relevant developer-focused ads during natural waiting moments and earn real money. 💰 Earn Money: Get paid for viewing developer-focused ads while you code 🎯 Relevant Ads: See ads based on your tech stack (detected from package.json, etc.) 🔒 Privacy First: No tracking of your code, just your dependencies ⚡ Non-Intrusive: Ads appear in a sidebar, never interrupting your workflow 🤖 AI-Aware: Smart triggers during AI interactions (Cursor, Claude Code, Copilot)
99cards.dev
Crush Every Web Dev Interview. Get A Dream Job. Guaranteed
Crush Every Web Dev Interview. Get A Dream Job. Guaranteed
About
Stop failing dev interviews and guessing what to study. This system gives you a clear, step-by-step path to really understand web development, nail concepts under pressure, and crush every interview. This product turns messy interview prep into a simple, proven system. Prep in hours, not weeks: Uses Flashcards i.e "spaced repetition" and "active recall" to cut study time and boost memory. Complete system: A clear step-by-step path—no more endless tutorials or bookmarks.
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Can't Decide?
Both tools have their strengths. Check out their individual pages for more details.