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

7 businesses

100% founder-reported, the rest researched

<$10K

$10K+

$50K+

$100K+

$1M+

Median revenue

$100K /mo

Middle half earn $30K – $400K/mo

How they grow

Business models

Showing 7 case studies

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Built With

AI Excel formula generator

AI tool that generates Excel formulas instantly

betteranalyst.com

$30K /mo Reported

Tax residency optimization service

Save an extra chunk of your annual income with tax-savvy strategies.

savvynomad.io

$100K /mo Reported

Telegram flight price tracker

Telegram bot for tracking cheap flight prices.

airtrackbot.com

$8K /mo Reported

Customized weight loss plans

VPT offers an AI-driven eHealth platform focused on sustainable weight loss and prevention of lifestyle-related diseases. Available on web and mobile, it uses a freemium model with ad-supported and PRO plans. Our users are health-conscious individuals, and future clients include clinics and insurers. Backed by scientific publications, our small expert team combines tech, health, and business skills to drive impact globally.

virtual-personaltrainer.com

$400K /mo Reported

Carry-on travel backpacks

Carry-on travel backpacks for hassle-free adventures.

tortugabackpacks.com

$300K /mo Reported

Digital wallet for payments

Digital wallet revolutionizing payments across Europe.

icard.com

$2M /mo Reported

Secret pocket travel apparel

Travel apparel with secret pockets to thwart pickpockets.

clevertravelcompanion.com

$50K /mo Reported

Idea	Revenue	Problem	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 Excel formula generator betteranalyst.com AI tool that generates Excel formulas instantly	$30K /mo Reported	Excel is a headache to learn.	SaaS +2	Word of mouth Brand Authenticity +1	Finance Professionals +9	+8	Founded 2022 · Solo founder · $200 to start	87	Build this
S Tax residency optimization service savvynomad.io Save an extra chunk of your annual income with tax-savvy strategies.	$100K /mo Reported		Subscription +1	SEO Search engine marketing +1	Digital Nomads +3	FR	Founded 2023 · Solo founder · $20K to start	76	Build this
Telegram flight price tracker airtrackbot.com Telegram bot for tracking cheap flight prices.	$8K /mo Reported		Affiliate marketing +2	Word of mouth Referral Program +1	Travel Enthusiasts +5	+2	Founded 2017 · Solo founder · Kyiv, Ukraine, Ukraine	81	Build this
Customized weight loss plans virtual-personaltrainer.com VPT offers an AI-driven eHealth platform focused on sustainable weight loss and prevention of lifestyle-related diseases. Available on web and mobile, it uses a freemium model with ad-supported and PRO plans. Our users are health-conscious individuals, and future clients include clinics and insurers. Backed by scientific publications, our small expert team combines tech, health, and business skills to drive impact globally.	$400K /mo Reported		Advertising +4	Advertising on social media SEO +1	Fitness Enthusiasts +2	GO +15	Founded 2014 · Solo founder · United States	75	Build this
Carry-on travel backpacks tortugabackpacks.com Carry-on travel backpacks for hassle-free adventures.	$300K /mo Reported		E-commerce +1	Affiliate program Email marketing +1	Travelers +2	+50	Founded 2010 · 9 people · Remote, United States	64	Build this
Digital wallet for payments icard.com Digital wallet revolutionizing payments across Europe.	$2M /mo Reported		Freemium +2	Word of mouth SEO +1	Digital Nomads +9	+27	Founded 2008 · 200 people · Varna, Varna, Bulgaria, Bulgaria	55	Build this
Secret pocket travel apparel clevertravelcompanion.com Travel apparel with secret pockets to thwart pickpockets.	$50K /mo Reported		E-commerce +3	Press Affiliate program +1	Nomadic Travellers Look... +7	+3	Founded 2011 · 2 people · Remote, Oregon, USA, United States	69	Build this

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