Idea

Apps So Simple

Apps So Simple Yet So Profitable

Ask the data real businesses · real revenue · cited

Matching your filters

6 businesses

33% founder-reported, the rest researched

<$10K

$10K+

$50K+

$100K+

$1M+

Median revenue

$2M /mo

Middle half earn $80K – $8M/mo

How they grow

Business models

Showing 6 case studies

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Built With

Wifi marketing for rentals

WiFi marketing for short-term rental operators.

stayfi.com

$80K /mo Reported

Ai content creation tool

AI-powered business idea and content generator.

nichesss.com

$30K /mo Reported

Gpt model discovery directory

Online directory for custom AI applications

allgpts.co

—

Audio-only blind dating app

Audio-only blind speed dating app.

theblinkdate.com

—

AI photo calorie tracker

AI calorie tracking app that logs meals from photos

calai.app

$2M /mo Estimated

Software deal marketplace

Daily deals site offering discounted lifetime software for entrepreneurs

appsumo.com

$8M /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.
Wifi marketing for rentals stayfi.com WiFi marketing for short-term rental operators.	$80K /mo Reported	Lead Generation +5	Affiliate program Word of mouth +1	Professional Short-term... +4	ST +3	Founded 2019 · 6 people · $200K to start	65	Build this
Ai content creation tool nichesss.com AI-powered business idea and content generator.	$30K /mo Reported	Subscription +3	Facebook Community Pay Per Click Advertising +1	Copywriters +6	PR +7	Founded 2020 · Solo founder · Built in 60 days	74	Build this
Gpt model discovery directory allgpts.co Online directory for custom AI applications	—	Advertising	SEO Social media mentions +1	AI Enthusiasts +2	GO	Founded 2023 · Solo founder · $100 to start	82	Build this
Audio-only blind dating app theblinkdate.com Audio-only blind speed dating app.	—	Advertising +2	Online Community	Singles +2	CU	Founded 2020 · 2 co-founders · Built in 365 days	71	Build this
AI photo calorie tracker calai.app AI calorie tracking app that logs meals from photos	$2M /mo Estimated ▼ 57% · 3 mo	Subscription +1	Advertising on social media SEO +1	Health-Conscious Consumers +2	SU +2	Founded 2022 · 2 co-founders · $100K to start	68	Build this
Software deal marketplace appsumo.com Daily deals site offering discounted lifetime software for entrepreneurs	$8M /mo Estimated	Brick & mortar +3	Word of mouth Advertising on social media +1	Entrepreneurs +3	PH	Founded 2010 · Solo founder · $50 to start	80	Build this

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