Option A
Refiner
Marketing
Customer feedback for SaaS.
Refiner is a microsurvey platform for SaaS — in-app NPS, CSAT, and PMF surveys with deep segmentation.
- Founder
- Jakob Knutzen
- Founded
- 2017
- Team
- 1-10
- Listing
- Free (nofollow)
- Listed
- May 2026
Compare
Refiner vs ContentOS
Side-by-side comparison of two indie startups from the Startup Spotlight directory.
Option B
ContentOS
ProMarketing
Content marketing platform for growth teams
ContentOS is the all-in-one content marketing platform that helps growth teams plan, create, distribute, and measure content that actually drives pipeline.
- Listing
- Pro (do-follow)
- Listed
- May 2026