Idea

Apps So Simple

Apps So Simple Yet So Profitable

Ask the data real businesses · real revenue · cited

Matching your filters

6 businesses

67% founder-reported, the rest researched

<$10K

$10K+

$50K+

$100K+

$1M+

Median revenue

$40K /mo

Middle half earn $4K – $200K/mo

How they grow

Business models

Showing 6 case studies

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Built With

Free stock photo website

Free stock photos from photographer Viktor Hanacek.

picjumbo.com

$10K /mo Reported

Domain email management tool

"Unified email management for multiple domains."

mutantmail.com

$2K /mo Reported

No-code interactive email tool

No-code tool for interactive AMP emails.

mailmodo.com

$1M /mo Reported

User onboarding tool

"Code-free onboarding tours for web apps."

userguiding.com

$200K /mo Reported

No-code chatbot builder

No-code chatbot builder for customer engagement and lead generation.

tiledesk.com

—

Email finding tool

'Tool for finding B2B email leads efficiently.'

tomba.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.
Free stock photo website picjumbo.com Free stock photos from photographer Viktor Hanacek.	$10K /mo Reported	Freemium +3	Word of mouth Brand Authenticity +1	Bloggers +4	AW +6	Founded 2013 · Solo founder · Built in 3 days	77	Build this
Domain email management tool mutantmail.com "Unified email management for multiple domains."	$2K /mo Reported	Subscription +2	Affiliate program Word of mouth +1	Entrepreneurs +10	+13	Founded 2021 · 2 people · $500 to start	74	Build this
No-code interactive email tool mailmodo.com No-code tool for interactive AMP emails.	$1M /mo Reported	SaaS +1	Email marketing SEO +1	Email Marketing Profess... +7	+15	Founded 2020 · 25 people · Built in 180 days	73	Build this
User onboarding tool userguiding.com "Code-free onboarding tours for web apps."	$200K /mo Reported	SaaS +1	Pay Per Click Advertising Brand Authenticity +1	SaaS Business Owners +11	+81	Founded 2018 · 30 people · $200K to start	61	Build this
No-code chatbot builder tiledesk.com No-code chatbot builder for customer engagement and lead generation.	—	SaaS +4	SEO Word of mouth +1	Marketers		Founded 2013 · 2 co-founders · Roma, Metropolitan City of Rome Capital, Italy, Italy	70	Build this
Email finding tool tomba.io 'Tool for finding B2B email leads efficiently.'	—	SaaS +3	Organic social media Customer retention +1	Marketers +2	TA	Founded 2021 · 2 people · Algiers, Algeria, Algeria	65	Build this

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Idea	Revenue
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