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 Letterdrop
Side-by-side comparison of two indie startups from the Startup Spotlight directory.
Option B
Letterdrop
Marketing
AI-powered content marketing & SEO.
Letterdrop helps B2B teams plan and publish content with AI assistance — built by a small team from former Microsoft and Discord engineers.
- Founder
- Parthi Loganathan
- Founded
- 2020
- Team
- 11-50
- Listing
- Free (nofollow)
- Listed
- May 2026