Option A
BlackTwist
ProMarketing
Easily grow your Threads audience
Easily grow your Threads audience
- Listing
- Pro (do-follow)
- Listed
- Sep 2024
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BlackTwist vs Refiner
Side-by-side comparison of two indie startups from the Startup Spotlight directory.
Option B
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