Small, focused SaaS products that solo founders can build and operate. Real examples with revenue data.

What is Micro SaaS?

Micro SaaS = Small, focused SaaS products run by solo founders or tiny teams. They solve specific problems, require minimal support, and can generate significant passive income.

Characteristics of Good Micro SaaS

Narrow focus: One problem, solved well
Low support burden: Self-serve, documentation
Sticky: Hard to switch once adopted
Recurring revenue: Monthly/annual subscriptions
Solo-friendly: One person can build and run

Micro SaaS Ideas by Category

Developer Tools

1. API Monitoring Service

Monitor uptime, latency, errors
Alert on issues
$15-50/mo per API
Example: Checkly does $millions

2. Database Backup Service

Automated backups for managed DBs
Easy restore
$10-30/mo
Example: SimpleBackups

3. Feature Flag Management

Simple feature flags for small teams
$20/mo flat
Undercut LaunchDarkly

4. Log Aggregation (Simplified)

Log collection without complexity
$15/mo for indie projects
Example: Logflare

Marketing Tools

5. Social Proof Widgets

"X people bought this"
Testimonial carousels
$10-30/mo
Example: Fomo, Proof

6. Exit Intent Popup Builder

Capture leaving visitors
A/B testing
$15/mo
Example: OptinMonster (complex)

7. Email Signature Generator

Professional signatures
Team consistency
$3-5/user/mo
Example: Wisestamp

8. QR Code Generator (Premium)

Dynamic QR codes
Analytics
$10/mo
Example: QR Code Generator Pro

Operations Tools

9. Appointment Scheduling (Niche)

For specific industries (salons, coaches)
Booking + payments
$20-50/mo
Example: Acuity (general)

10. Invoice Generator

Simple invoicing
Payment tracking
$10-20/mo
Example: Invoice Ninja

11. Contract/Proposal Builder

Templates + e-sign
$15-30/mo
Example: PandaDoc (enterprise)

12. Inventory Tracker (Simple)

For small businesses
Low/out of stock alerts
$15/mo
Example: Most are complex

Content Tools

13. Blog to Newsletter

Auto-convert posts to emails
Schedule sends
$10/mo
Example: Blog2Newsletter

14. Testimonial Collection

Request + display testimonials
Video support
$20/mo
Example: Testimonial.to

15. Link in Bio (Premium)

More features than Linktree
Analytics, design
$5-10/mo
Example: Many competitors

16. Screenshot API

Programmatic screenshots
OG images
$10-30/mo based on usage
Example: ScreenshotAPI

Analytics Tools

17. Privacy-Friendly Analytics (Niche)

For specific industries
Compliance-focused
$10-30/mo
Example: Plausible, Fathom

18. Uptime Monitoring (Simple)

Check if sites are up
Alerts
$5-10/mo
Example: BetterUptime

19. Page Speed Monitoring

Track Core Web Vitals
Alerts on degradation
$15/mo
Example: Calibre (complex)

20. Social Media Analytics (Single Platform)

Deep analytics for one platform
$15/mo
Example: Tweethunter (Twitter)

Revenue Math

To hit $10K/month MRR:

| Price | Customers Needed | |-------|-----------------| | $10/mo | 1,000 | | $20/mo | 500 | | $50/mo | 200 | | $100/mo | 100 |

The lesson: Higher prices = fewer customers needed = less support

Finding Your Micro SaaS Idea

Method 1: Scratch Your Own Itch

What tools do you wish existed? What workflows are painful?

Method 2: Niche Down Existing Tools

Take a broad tool, make it specific:

Scheduling → Scheduling for therapists
Analytics → Analytics for Shopify stores
CRM → CRM for real estate agents

Method 3: Listen to Complaints

Browse Reddit, Twitter, forums. What do people complain about?

Method 4: Integration Opportunities

What integrations are people requesting for tools they use?

Building Your Micro SaaS

Tech Stack

Frontend: Next.js, React
Backend: Supabase, PlanetScale
Payments: Stripe
Email: Resend
Hosting: Vercel, Railway
Builder: Spawned (for speed)

Timeline

Week 1-2: MVP
Week 3-4: Launch, get feedback
Month 2-3: Iterate, find PMF
Month 4+: Growth mode

Key Success Factors

Charge from day one: Validates willingness to pay
Talk to customers: Understand their problems deeply
Focus on retention: Reduce churn > acquire new
Document everything: Reduce support burden
Build in public: Free marketing

Examples of $10K+ Micro SaaS

SimpleAnalytics: ~$50K MRR
Plausible: ~$100K MRR
Carrd: Likely $100K+ MRR
Buttondown: ~$30K MRR
Screen Studio: ~$100K+ (one-time, but solo)

These prove it's possible. Now go build yours.

Micro SaaS Ideas That Can Make $10K/month