Idea

Apps So Simple

Apps So Simple Yet So Profitable

Ask the data real businesses · real revenue · cited

Matching your filters

5 businesses

60% founder-reported, the rest researched

<$10K

$10K+

$50K+

$100K+

$1M+

Median revenue

$10K /mo

Middle half earn $3K – $20K/mo

How they grow

Business models

Showing 5 case studies

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Built With

Early-stage startup lead service

Subscription service for B2B SaaS startup leads.

fuelblock.io

$3K /mo Reported

B2B email finder tool

Email finder tool for B2B sales professionals

findymail.com

$20K /mo Reported

Meeting prep summary tool

Sales app delivering pre-meeting summaries for sales professionals.

get1page.com

$10K /mo Reported

Autonomous meeting scheduling agent

AI-powered meeting scheduler for sales teams

scheduler.ai

—

Email validation tool

"Email validation tool recovering risky and catch-all leads."

scrubby.io

—

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.
Early-stage startup lead service fuelblock.io Subscription service for B2B SaaS startup leads.	$3K /mo Reported	Subscription +1	Direct sales Email marketing	Agency Owners +5	CO LE +15	Founded 2022 · Solo founder · $600 to start	79	Build this
B2B email finder tool findymail.com Email finder tool for B2B sales professionals	$20K /mo Reported	SaaS +1	Word of mouth Direct sales +1	B2B Sales Teams +4		Founded 2022 · Solo founder · $100 to start	78	Build this
Meeting prep summary tool get1page.com Sales app delivering pre-meeting summaries for sales professionals.	$10K /mo Reported	Freemium +1	Word of mouth Direct sales	B2B Sales Teams +6	+8	Founded 2019 · 8 people · $200K to start	55	Build this
Autonomous meeting scheduling agent scheduler.ai AI-powered meeting scheduler for sales teams	—	SaaS +1	Hackathons Partnerships +1	B2B Sales Teams +2	CU	Founded 2023 · 2 co-founders · Cincinnati, OH, USA, United States	65	Build this
Email validation tool scrubby.io "Email validation tool recovering risky and catch-all leads."	—	SaaS +3	Word of mouth Email marketing +1	B2B Sales Teams +4	CU	Founded 2021 · 3 co-founders · Tallinn, Estonia, Estonia	61	Build this

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