Explore Successful Businesses

Problems

99 of some of the most painful, in-demand problems in a database for you to check out. How do people spot problems worth solving? What does a “good problem” look like? Can you solve a good problem in the wrong way? How do they know what’s the right solution to build?

Ask the data real businesses · real revenue · cited

Matching your filters

5 businesses

80% founder-reported, the rest researched

<$10K

$10K+

$50K+

$100K+

$1M+

Median revenue

$400K /mo

Middle half earn $80K – $600K/mo

How they grow

Business models

Showing 5 case studies

Sort By

Built With

Ai-powered interactive demos

AI-powered platform for creating interactive product demos

supademo.com

$400K /mo Reported

People search intelligence tool

"People search tool for connections and safety."

spokeo.com

$6M /mo Reported

Root cause hair loss solution

Clinically-proven hair loss solutions targeting root causes.

sayarcare.com

$80K /mo Reported

Comfortable athletic cup

Comfortable athletic cups for young boy athletes.

thecomfycup.com

$30K /mo Reported

LinkedIn automation SaaS tool

LinkedIn automation tool for streamlined outreach

expandi.io

$600K /mo Estimated

Idea	Revenue	Model	Growth	Customers	Tools	Details	Solo score A 0–100 estimate of how well-suited a business is to being run solo (or very lean). It blends team leanness, business model, growth channels, capital intensity, revenue per operator, tooling leverage and recency into one score. Higher = more solopreneur-friendly.
Ai-powered interactive demos supademo.com AI-powered platform for creating interactive product demos	$400K /mo Reported ▲ 200% · 21 mo	Custom service +6	Word of mouth Email marketing +1	Small to Medium Marketi... +3	HO TL DU ZE	Founded 2023 · 12 people · $3K to start	58	Build this
People search intelligence tool spokeo.com "People search tool for connections and safety."	$6M /mo Reported	Subscription	Advertising on social media Press +1	Consumers +13		Founded 2006 · 169 people · Pasadena, Newfoundland and Labrador, Canada, United States	55	Build this
Root cause hair loss solution sayarcare.com Clinically-proven hair loss solutions targeting root causes.	$80K /mo Reported	E-commerce +5	Advertising on social media SEO +1	Individuals Seeking Hai... +11	+44	Founded 2017 · 4 people · New York, New York, USA, United States	65	Build this
Comfortable athletic cup thecomfycup.com Comfortable athletic cups for young boy athletes.	$30K /mo Reported	Product +5	Pay Per Click Advertising SEO +1	Youth Boy Athletes +11	+32	Founded 2016 · 2 people · $30K to start	60	Build this
LinkedIn automation SaaS tool expandi.io LinkedIn automation tool for streamlined outreach	$600K /mo Estimated	Subscription +1	Word of mouth SEO +1	LinkedIn Professionals +4	LI	Founded 2019 · Solo founder · Amsterdam, Netherlands, Netherlands	82	Build this

HubSpot uses your information to contact you about our products and services, and you agree to share it with Starter Story for similar purposes. Unsubscribe from either at any time. For more, see our Privacy Policy.

Have an account? Login by entering your email or continuing with Google.

Create A Password

Check your email

If there's a Starter Story account associated with that email you'll get an email with a link to automatically log in. The link will expire in 24 hours.

Your existing password still works, should you want to log in with it later.

Starter Story

Find the business ideas that actually make money.

Search 3,771+ real, revenue-generating projects — the tools they built on, how they grew, and the full breakdown behind each one.

Starter Story

starterstory.com/data

Live

Idea	Revenue
Crm marketing attri...	$100K/mo
No-code Airtable AP...	$20K/mo
Pdf bank statement ...	$40K/mo
Ai music video gene...	$20K/mo