Resources & Community
Free tools & calculators
BigIdeasDB has a free tier packed with tools you can use without paying. It includes AI idea tools and a full set of SaaS financial calculators, so you can generate, evaluate, and model an idea before you commit.
Last updated: July 9, 2026
Quick answer
The free tier includes the Business Idea Generator (50,000+ ideas generated across 100+ niches), the Business Idea Evaluator, the Reddit Keyword Generator, and nine financial calculators plus an all-in-one SaaS Metrics Dashboard.
- Business Idea Generator - 50,000+ ideas generated across 100+ niches.
- Business Idea Evaluator - free AI viability assessment.
- Reddit Keyword Generator - market-research keyword ideas.
- Nine financial calculators plus a SaaS Metrics Dashboard.
On this page
AI idea tools
The free tier includes three AI-powered tools. The Business Idea Generator produces creative SaaS and side-hustle concepts across 100+ market niches and has generated 50,000+ ideas. The Business Idea Evaluator gives a free viability assessment of any idea. The Reddit Keyword Generator suggests keywords to research on Reddit. Explore them all on Free tools.
Financial calculators
The free tier also includes a full set of SaaS financial calculators, plus an all-in-one dashboard that ties the core metrics together:
- Break-Even Calculator - find the point where revenue covers costs.
- Burn Rate Calculator - monthly cash burn and runway.
- CAC Calculator - customer acquisition cost.
- Churn Rate Calculator - customer churn metrics.
- LTV Calculator - customer lifetime value.
- MRR Calculator - monthly recurring revenue.
- ROI Calculator - return on investment.
- SaaS Valuation Calculator - estimate what your SaaS is worth.
- SaaS Metrics Dashboard - an all-in-one tracker for the metrics above.
No account required to start
The free tools and calculators are part of the free tier. You can begin using them without a paid plan and upgrade later for the research databases and MCP server.
Frequently asked questions
Do the free tools cost anything?
No. The Business Idea Generator, the Business Idea Evaluator, the Reddit Keyword Generator, and all of the financial calculators are part of the free tier. Paid plans add the research databases, TrustMRR, and the MCP server.
What can the SaaS Metrics Dashboard do?
The SaaS Metrics Dashboard is an all-in-one tracker that brings the individual calculators together - MRR, CAC, LTV, churn, burn, and more - so you can view your core SaaS metrics in one place.
How many ideas has the generator produced?
The Business Idea Generator has generated more than 50,000 ideas across 100+ market niches. Use it to spark directions, then validate the strongest ones against the research databases.
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Using the idea generator
Generate business and SaaS ideas across 100+ niches with the free idea generator, then validate market potential, competition, and viability in under 30 seconds with the Idea Evaluator.
Resources & Community
SaaS worksheets & templates
Downloadable, exclusive worksheets and templates for building and scaling SaaS - the frameworks and strategies used by successful founders, ready to use.
Getting Started
Welcome to BigIdeasDB
BigIdeasDB is an AI suite that researches, validates, and helps you build products people actually want - using 1M+ real user complaints as bottom-up demand evidence.
