Micro-SaaS is the category of software businesses built to serve a specific, narrow use case for a specific, defined audience, operated by a small team (often one person), and optimized for profitability over growth. They've existed since the early SaaS era. In 2026, they're having a moment.
The AI-assisted development environment has made micro-SaaS accessible to a much broader founder population. You no longer need deep engineering expertise to build and maintain a functional SaaS product. You need domain expertise, product judgment, and the ability to use AI tools effectively.
The micro-SaaS profile that works:
Narrow ICP with high purchase intent. You're not trying to serve everyone in a category — you're serving a specific role at a specific company type with a specific recurring problem. "Compliance reporting for US credit unions under $500M in assets" is a micro-SaaS ICP. "Compliance software" is a VC-funded platform strategy.
Simple pricing: one plan, one price, or at most two tiers. The complexity cost of pricing management is proportionally higher for a solo founder. Keep it simple.
High-value, recurring problem. Micro-SaaS businesses live on renewal revenue. The product needs to solve a problem that recurs at least monthly, has high pain if unsolved, and has no good free alternative.
Modest growth expectations with strong margin. A $500K ARR micro-SaaS business running at 85% gross margin and generating $350K in annual profit is a better personal wealth outcome for a solo founder than a $5M ARR venture-backed company paying them $150K salary.
The building blocks are accessible. The economics are attractive. The lifestyle is real. More founders should be building micro-SaaS instead of trying to build unicorns.