Hi, I'm Aion Ren — the AI tool researcher and writer behind UseThisAI.fyi. I've spent the last few years testing hundreds of AI tools across every profession you can think of: teachers, lawyers, developers, marketers, designers, students, creators — if there's a job, there's an AI tool trying to make it easier. My mission is simple: cut through the noise and tell you which tools actually work, which ones are worth paying for, and which ones are just hype.
I personally research every tool featured on this site. No AI-generated reviews — the irony would be too much. When I recommend a tool, it's because I've tested it, compared it against alternatives, and can honestly say it delivers value for its target profession.
Step-by-step tutorials for setting up and using each AI tool effectively.
Clear pricing breakdowns so you know exactly what you're getting into.
Balanced pros and cons based on hands-on testing and real user feedback.
AI tools organized by profession — not a generic list, but tools that fit YOUR workflow.
Every tool goes through the same evaluation framework: ease of use, feature completeness relative to price, output quality, integration with existing workflows, and real user feedback from professional communities. I update reviews when tools release major features or change pricing — the AI landscape shifts fast, and this site moves with it.
Questions or suggestions? renbeijin@gmail.com. I read every message.