Not happy with your first comparison? We'll refund it, no questions asked.
What engineers are saying
“We'd been going back and forth on Kafka vs Kinesis for three weeks. Tech Duel asked the questions we should have been asking ourselves. Had a decision by end of day.”
David K.
Principal Engineer, Fintech
“I sent the output to my CTO. She read it, said 'let's go with Kafka' and closed the thread. That never happens. Usually there's a week of back and forth.”
Marcus J.
Tech Lead, Healthcare Tech
“LangChain vs LlamaIndex for a RAG pipeline. I had a recommendation in 20 minutes with the reasoning laid out. Saved me a week of reading conflicting blog posts.”
Alex C.
ML Engineer, AI Startup
“The questions it asks are the right ones. Not 'what database do you use' but things like 'how many engineers will own this in 18 months.' That's what changes the answer.”
Sarah L.
VP Engineering, B2B Startup
“It factors in team expertise. That's the thing everyone ignores. The best technology for a team of Kafka veterans is not the same as for one that's never touched it.”
Tom R.
Staff Engineer, E-commerce
Common questions
Things people ask before buying
No. Buy $10 today, use it in six months. There's no monthly fee and no expiry date. Your credits stay until you use them.
Each comparison walks you through a set of personalized questions about your team, codebase, and constraints — then generates a detailed recommendation with a confidence score, trade-off table, and reasoning you can share. Follow-up questions via chat are available after the comparison.
Because you don't compare technologies every day. Tech decisions happen when they happen — a new project, a scaling problem, an architectural review. A subscription would charge you for the months you don't need it.
Team credit pooling is on the roadmap. For now, each account has its own balance. You can share the comparison output with anyone via a link — no login required for them to read it.
You'll be prompted to top up before the result is generated. Your answers are saved — you pick up right where you left off after adding credits.
If you're not happy with your first comparison, email us and we'll refund your $10. No paperwork, no conditions. After that, credits are non-refundable since they've been used to run AI inference.
