THE BUSINESS CASEBOOK
Who pays for it? How does it acquire customers? Starting from real products, understand demand, pricing models, and growth signals.
Start reading cases ↓EXPLORE CASES
Prioritizing entries with research dossiers. Rankings are based on historical signals and do not represent opportunity quality; one product may have multiple metric records.
COMPARE THE BUSINESSES
Only compares historical metrics on this page, not the entire market. Visit estimates do not equal paying users.
Rapid Affiliates: a tool for SaaS startups to set up an affiliate program, managing affiliates, tracking conversions and paying commissions.
Cloud PCs rented by the hour, for playing big games remotely or running GPU tasks like rendering and editing on any device.
LLM API aggregation gateway: one endpoint to call Anthropic, OpenAI, Gemini, Zhipu, Kimi and other models, plus a chat interface.
Fully automated AI SEO service: picks keywords, writes and publishes articles to the client's site daily, and builds backlinks, aiming to win customers from Google and ChatGPT.
SAT, ACT, and AP prep platform with a question bank, full-length mock exams, score analytics, and study planning, plus college application essay feedback.
Open-source multiplayer .io strategy game: players expand their nation on a map and wipe out opponents; create rooms, join clans, climb leaderboards and enter tournaments.
An AI image generation/editing/video/music site aggregating 29+ third-party models, with FLUX Kontext image editing as its signature feature, and also offering Seedance, Veo, Kling and Wan.
Restaurant marketing agency: runs trackable ads to bring in new customers for restaurants, and also sells the $199/month Restaurant Growth University course.
AI website builder and small-business operations platform: generates a site in 30 seconds, with CRM, booking, and marketing; newly launched Durable Money for payments and business cards.
A managed SEO service: automatically writes one SEO article a day and builds backlinks through swaps between customers, aiming to rank in Google, ChatGPT and Perplexity.
Online IQ testing platform: professional-style cognitive tests, a composite score dashboard, free calculators and community puzzles, built by the r/iqtest community.
Instagram follow tracker: enter a public account's username to see who they newly followed and which new followers they gained, with push alerts on changes, no Instagram login required.