Should you build your own Ideabrowser?
Daily curated startup ideas backed by trend data, market sizing and AI research agents
Scraping Reddit/search trends and having an LLM draft a business-opportunity writeup per idea is a weekend build. What's genuinely hard to replicate is the editorial curation, the accumulated database of 1,000+ pre-researched ideas, and the trend-signal pipeline built up over time. A DIY version can generate plausible-sounding ideas on demand but starts from zero data and zero curation.
ENOriginal research content in English. Original prompt preserved in English.
Build me a startup-idea trend scanner as a Next.js app.
Stack: Next.js + TypeScript, SQLite via better-sqlite3, Tailwind. No auth, single user, localhost only.
Core loop:
1. A cron-style script (runnable manually via a button) that fetches the top posts from a fixed list of subreddits (via Reddit's public JSON endpoints, no API key needed) mentioning pain points or requests.
2. Pass each candidate post to the Anthropic API (key from .env) with a fixed prompt asking it to draft a one-page opportunity brief: problem, target user, rough market size guess, an MVP scope, and a one-line pricing idea.
3. Save each brief to SQLite and show them in a simple feed, newest first, with a save/star toggle.
4. A search box to filter saved briefs by keyword.
Out of scope: payments, email delivery, multi-user accounts, historical trend charts, editorial curation.
Include a README covering setup, the .env variable, and a note that brief quality depends entirely on the source posts fetched.The prompt opens pre-filled in your agent. Review it before running.
What would building your own look like?
A script that pulls trending Reddit/Google-Trends signals, feeds them to an LLM with a fixed prompt template, and outputs a formatted market-opportunity brief.
What you will need
- OpenAI/Anthropic API key
- Reddit or Google Trends API access
Builders pay to skip the research grind: a constantly refreshed, pre-vetted idea backlog plus market sizing is worth more to them than the marginal cost of prompting an LLM themselves, especially since the curation quality is hard to bootstrap solo.
x1,000+ already-curated and human-vetted ideas
xhistorical trend database and idea archive
xAI Research Agent for arbitrary custom ideas
xcommunity, coaching and Q&A strategist sessions
xdata exports and idea-suggest personalization
Prefer something ready-made?
IdeaProofFree searchable database of startup ideas with market size and viability scores, no subscription.Free↗License, setup, and limitations for each alternative.
How much does Ideabrowser cost?
- Monthly billing
- $41.58/mo$41.58/mo
- Per year
- $499/yr$499/yr
- On a Brazilian card, with 3.5% IOF
- R$217/moR$2,607/yr
Saved to My list. You will see a notice on this site when the price changes.
You complete the purchase on Ideabrowser’s site. Vibe Radar does not handle payments.
starter$41.58/mo · annual effective per month · $498.96/yr
Free tierFree plan gives one fully-researched Idea of the Day with full market analysis, but no access to the searchable database or AI tools.
verified 2026-08-10 · source ↗
Is it cheaper to build or buy Ideabrowser?
Adjust the numbers: hours to build, your hourly rate, running costs and the subscription price.
Over 24 months, subscribing is cheaper.
Starting hours estimated from the analysis (one sitting). Does not price what you give up (support, integrations, security).
Is Ideabrowser free?
Free plan gives one fully-researched Idea of the Day with full market analysis, but no access to the searchable database or AI tools. The paid plan is Starter at $41.58/mo (checked 08/10/2026).
Can I rebuild Ideabrowser?
Kinda. The core of Ideabrowser is buildable in a weekend with the prompt on this page, but there are real gaps: 1,000+ already-curated and human-vetted ideas, historical trend database and idea archive. Read the honest list above before committing.
How much does Ideabrowser cost?
Ideabrowser costs about $41.58/mo (Starter, checked 08/10/2026), which is $499 per year.
What do I lose by replacing Ideabrowser?
Honestly: 1,000+ already-curated and human-vetted ideas; historical trend database and idea archive; AI Research Agent for arbitrary custom ideas; community, coaching and Q&A strategist sessions; data exports and idea-suggest personalization. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to Ideabrowser?
Yes: IdeaProof (Free searchable database of startup ideas with market size and viability scores, no subscription.) The prompt is for when you want it exactly your way.