AI idea tools
Generate and gut-check startup ideas, grounded in real pain data.
Reddit research tools
Find the right communities and the phrases worth searching there.
- Subreddit finderFind subreddits for any niche, with descriptions and links to real pain research.
- Reddit keyword generatorTurn a niche into search phrases worth monitoring for complaints and demand.
- Reddit API cost calculatorSee if your call volume fits the free rate limit, or what commercial access costs.
SaaS metrics calculators
The four numbers that decide whether a subscription business works.
- MRR calculatorMonthly recurring revenue, ARR, net new MRR, and month over month growth.
- TAM SAM SOM calculatorSize your market in three layers: total, serviceable, and obtainable.
- Churn rate calculatorCustomer and revenue churn, retention, annualized churn, and customer lifetime.
- LTV calculatorCustomer lifetime value from ARPU, margin, and churn, plus your LTV to CAC ratio.
- CAC calculatorCustomer acquisition cost and how many months each customer takes to pay back.
Metrics tell you how it is going. Not what to build.
IdeaFast finds real pain points in the communities where your customers complain, scores them, and links every claim to the original thread. Browse the free ideas database or run your first scan free.