RefineFast

What it does

Get real insights before you build. In just 45 seconds, discover market demand, competitor insights, customer pain points, risks, audience targeting, and growth strategies — so you can make data-driven decisions. Analyze 3 ideas per month, starting at $8.99.

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  280 ChatGPT Business Prompts2024 · inotion.gumroad.com · ▲141

  Build your $10,000/month online business in 90 days

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  Easy User Test2021 · ▲75

  Validate your text & design decisions with real peoble

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  Test Your IdeaFeb 2026 · preuve.ai · ▲23

  Test your business idea before you build. Market validation with real data on competitors, demand, and viability from 60+ live sources. Free 60-second scan.

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  Idea validation tool by Buildpad2024 · buildpad.io · ▲34

  Validate your business idea with real-world data in 2 min

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  ideation.bizMar 2026 · ideation.biz · ▲10

  Stop building products nobody wants, validate first, for $1

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  Fresh Startup/SaaS Ideas2022 · unvalidatedideas.com · ▲70

  Get to $1000 MRR with 100 ideas for $10

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  SimCity, but with Permits▲936

  A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.

  Life & fun · 3d ago · permit.petercai.com

• IV
  I've been paying for a rural Tanzanian's education for 10 years▲778

  Life & fun · 16d ago · tanzaniaeducationproject.org

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  Bigwords.page – Turn any screen into a sign. The URL is the app▲728

  Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.

  Life & fun · 17d ago · bigwords.page

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  Guitoro, a virtual guitar you strum with your keyboard▲573

  Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.

  Life & fun · 10d ago · guitoro.com

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  See *almost* any carriers phone settings▲432

  Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.

  Life & fun · 14d ago · carrierexplode.com

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  The whole Solar System and every tracked satellite, live in the browser▲407

  Life & fun · 24d ago · space.bl2.net

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  Screen Studio 3.0▲1,832

  Beautiful screen recordings with instant shareable links

  Growth · 2025 · screen.studio

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  Tana▲1,665

  Put your notes to work with voice and AI

  AI · 2025 · tana.inc

• IG
  I got laid off from Meta and created a minor hit on Steam▲1,581

  I was at FB/Meta from late 2013 to early 2023, mostly working in the compiler/runtime spaces. I got hit in the spring 2023 layoff wave. I immediately started making games in my newfound free time (a lifelong interest, and I even worked in AA(A?) back ca. ~2000), and in October 2023 I stumbled upon the idea of a roguelike pachinko/plinko game inspired by Luck Be A Landlord. Things snowballed quickly, I started talking to publishers, then worked like crazy through all of 2024, almost the hardest I've ever worked in my career, and launched the game in December 2024. It's sold…

  Work · 2025

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  Tanka▲1,410

  AI Messenger with smart reply & long term memory for teams

  AI · 2025 · tanka.ai

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  Tool Finder▲1,327

  Your shortcut to better software

  AI · 2025 · toolfinder.com

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  I built an app to stop me doomscrolling by touching grass▲1,203

  i wanted to change the habit of reaching for my phone in the morning and doomscrolling away an hour so i built an app to help me. now i have to literally touch grass before accessing my most distracting apps the app is built in swiftui, uses the screen time apis provided by apple and google vision to recognise grass or not i'd love to get your thoughts on the concept.

  Life & fun · 2025 · touchgrass.now