Microns.io ◆
Microns.io is a curated marketplace to buy and sell profitable micro-SaaS startups and side projects with verified metrics.

Gumspy (Marketplace): Gumspy is a Gumroad product database for finding profitable digital product ideas using data like estimated revenue and mixed reviews. Pricing: from Lifetime access for $149. (data verified July 2026)
Transparency: if you buy through our links we may earn a commission, at no extra cost to you. Rankings cannot be bought. How we rate tools
Gumspy gives you access to a growing dataset of over 250,000 Gumroad products, updated weekly. It helps you spot untapped opportunities by filtering for profitable items with mixed reviews — products that sell well but have room for improvement. You can sort by estimated revenue, price, category, and review mix to find niches with high demand and low competition.
Gumspy is built for digital product creators, solopreneurs, and market researchers who sell or plan to sell on Gumroad. It is ideal if you want data-driven insights on what competitors are making and how much they earn. It is not designed for buyers or casual browsers looking to purchase products.
A designer can filter the Design & Graphics subcategory to find free mockups with high download counts and mixed reviews, then create a premium paid version. A business coach can scan the Business & Money category for low-priced guides with strong sales but mixed feedback, and develop a more comprehensive course. The tool also shows new products added weekly — 230 in the last 30 days alone, earning a combined $183,692.
Editorial score from our review methodology — not user ratings.
Gumspy pricing: Lifetime access for $149. Billing model: Lifetime.
Price: $149 one-time payment
Includes full access to the 250k+ Gumroad product database, advanced filtering by category and review mix, weekly data updates, and all future additions. No recurring subscription required. No free trial or free plan is offered at this time.
Answer 3 quick questions and our AI advisor will match you with the perfect SaaS — only from our hand-picked partners, often with exclusive deals you won't find elsewhere.