Tärnsund Business Developer
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Tärnsund Business Developer

Validated business ideas with deep market research. By Tärnsund Group.

johan@tarnsund.se
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Simple, Transparent Pricing

Start free. Upgrade when you need deep analysis and builder tools.

Free

Explore business ideas

Free
  • All idea cards + scoresBrowse every idea with viability scores, market fit ratings, and trend signals.
  • Idea of the Day + WeekCurated top picks updated daily and weekly — the best opportunities surfaced for you.
  • Startup Tools(75+ tools)Free access to 75+ startup tools: name generators, pitch builders, calculators, and more.
  • Idea Lab(1 free use)AI-powered idea generator — describe a problem or market and get validated business concepts.
  • Idea Validation(1 free trial)Deep-dive validation: market sizing, competitor analysis, and risk assessment for any idea.
  • Blueprint Builder(1 free trial)Generate a full product blueprint with tech stack, cost estimates, and implementation roadmap.
  • Workspace(basic)Your personal workspace to track ideas you're working on.
  • Full deep analysisUnlock the complete 9-phase research report: TAM/SAM/SOM, financials, competitors, and more.
  • Idea ChatChat with AI about any idea — ask follow-up questions, explore pivots, and dig deeper.
  • Bookmarks & filtersSave ideas to collections and filter by category, score, market size, and trend direction.
  • Exports (PDF, Pitch Deck, Canvas)Download professional PDFs, investor-ready pitch decks, and lean canvases.
  • Data export (JSON)Export raw idea data as JSON for your own analysis, dashboards, or integrations.

Pro

Most Popular

Full toolkit for serious founders

$149/yr
$12/mo
  • All ideas unlockedFull access to every idea in the library — no previews, no limits.
  • Full deep analysisComplete 9-phase research: executive summary, market sizing, competitor mapping, financial projections, risk assessment, and implementation plan.
  • Idea Chat(100/mo)Ask AI follow-up questions about any idea — explore pivots, drill into markets, or brainstorm features.
  • Idea Lab(15/mo)Generate new business ideas from a problem, market, or trend. Each generation produces multiple validated concepts.
  • Idea Validation(5/mo)Run deep validation on any idea: real-time market data, competitor analysis, demand signals, and a go/no-go verdict.
  • Blueprint Builder(3/mo)Generate a full PRD with tech stack recommendations, cost breakdown, and build prompts for your coding assistant.
  • Workspace(Build, Financials, Insights, Launch, Execution)Full workspace with 5 tabs: build prompts, financial model, growth insights, launch playbook, and execution tracker.
  • Launch Playbook(10/mo)AI-generated 30-day go-to-market plan with channels, content hooks, outreach templates, and KPIs.
  • Custom Prompts(30/mo)Generate tailored build prompts for tools like Cursor, Claude Code, Lovable, Bolt, and more.
  • Quick Templates(9 templates)One-click templates: Landing Page, Ad Creatives, Email Sequence, Pitch Deck, Social Content, SEO Blog, and more.
  • Bookmarks & filtersSave ideas to collections and filter by category, score, market size, and trend direction.
  • Startup Tools(75+ tools)Free access to 75+ startup tools: name generators, pitch builders, calculators, and more.
  • PDF ExportDownload any idea analysis as a professional PDF — ready to share with co-founders or investors.
  • Pitch Deck & CanvasExport investor-ready pitch decks and lean canvases. Available on Pro+.
  • Data export (JSON)Export raw idea data as JSON for your own analysis, dashboards, or integrations. Available on Pro+.

Pro+

Maximum power for ambitious founders

$299/yr
$25/mo
  • All ideas unlockedFull access to every idea in the library — no previews, no limits.
  • Full deep analysisComplete 9-phase research: executive summary, market sizing, competitor mapping, financial projections, risk assessment, and implementation plan.
  • Idea Chat(500/mo)Ask AI follow-up questions about any idea — explore pivots, drill into markets, or brainstorm features. 5x the Pro limit.
  • Idea Lab(75/mo)Generate new business ideas from a problem, market, or trend. 5x the Pro limit for power users.
  • Idea Validation(20/mo)Run deep validation on any idea: real-time market data, competitor analysis, demand signals, and a go/no-go verdict.
  • Blueprint Builder(10/mo)Generate a full PRD with tech stack recommendations, cost breakdown, and build prompts for your coding assistant.
  • Workspace(Build, Financials, Insights, Launch, Execution)Full workspace with 5 tabs: build prompts, financial model, growth insights, launch playbook, and execution tracker.
  • Launch Playbook(10/mo)AI-generated 30-day go-to-market plan with channels, content hooks, outreach templates, and KPIs.
  • Custom Prompts(30/mo)Generate tailored build prompts for tools like Cursor, Claude Code, Lovable, Bolt, and more.
  • Bookmarks & filtersSave ideas to collections and filter by category, score, market size, and trend direction.
  • Startup Tools(75+ tools)Free access to 75+ startup tools: name generators, pitch builders, calculators, and more.
  • Exports: PDF, Pitch Deck & CanvasDownload professional PDFs, investor-ready pitch decks, and lean canvases — everything you need to present your idea.
  • Data export (JSON)Export raw idea data as JSON for your own analysis, dashboards, or integrations.

Need more? Contact us for custom plans.