Welcome back to the Leaderboard. On this fine Wednesday morning, we're taking a deep dive into a platform that pays you to crash with friends, an AI for real-world construction, and a prompt-to-code tool that spins up mobile apps in no time. Let's go.

Roamr for Friends turns business travel into a reason to catch up with friends while getting rewarded for it. Instead of booking a hotel, you stay with someone you know, and your company shares the savings with you. Less lonely hotel stays, more late-night catch-ups, and a little extra cash in your pocket.

🔥 Our Take: The corporate travel space doesn’t get enough disruption. Sure you can swap out Airbnb’s for hotels these days but the cost will still make any startup’s wallet hurt, especially if you’re staying in somewhere like San Francisco. Having the option to offset some of that while giving employees the freedom to stay with whom they want seems like a win-win.

Bild AI takes the guesswork out of construction estimates. Instead of spending late nights manually calculating materials and costs from blueprints, you upload your file, and it does the work for you by analyzing the plans, breaking down materials, and generating accurate bids. That means fewer mistakes, faster proposals, and more opportunities to take on new projects.

🔥 Our Take: The longer a build takes, the more it costs and the more  buyers feel it. Automating blueprint analysis could speed up projects, cut down mistakes, and maybe even make homes more affordable. Faster builds, fewer delays, and less wasted time sounds like a win. Construction is one of those real-life industries that AI could really make a case for itself.

a0.dev turns app ideas into fully functional React Native projects with minimal effort. Describe what you need, and it generates the components, layout, and logic in the hopes of cutting development time from weeks to days. It’s built for developers who want to move fast without getting stuck in setup and boilerplate.

🔥 Our Take: AI coding tools seem to be splitting into two camps—assistants that help you write code and ones that try to handle everything for you. a0.dev leans toward the latter, generating full React Native frontends from a simple prompt. It’s not doing the backend (yet), but if AI keeps moving this way, we might not be far from tools that build entire apps, front to back, with just a few sentences.

If there's one thing we, the Product Hunt team see a lot, it's taglines. Some are great, others are okay, and some are just really plain bad. The tagline is the first description a potential user will see of your product, so it's super important that we make it as strong as possible.

That's why our CEO, Rajiv Ayyanger is hosting what we like to call a tagline clinic. Drop your tagline in the replies and get some suggestions on how and where to improve it.