Stamped.io vs Fera.ai
Side-by-side from the Top 11 ranking of The 11 Best Social Proof & Review Software Tools. Last verified June 15, 2026.
The short answer
Stamped.io ranks higher on Top 11 (#3 vs #7) for Ecommerce and SaaS companies collecting and displaying reviews and testimonials. Near-enterprise features (reviews, loyalty, Q&A) at a mid-market price.
At a glance
| Stamped.io | Fera.ai | |
|---|---|---|
| Top 11 rank | #3 / The 11 Best Social Proof & Review Software Tools | #7 / The 11 Best Social Proof & Review Software Tools |
| Score (out of 9.4) | 8.8 | 8 |
| Best for | Best value feature set | A/B testing social proof |
| Pricing | $$ ($23 to $249/mo) | $$ ($9 to $99/mo) |
| HQ | Singapore | Toronto, Canada |
| Founded | 2016 | 2016 |
Stamped.io
Near-enterprise features (reviews, loyalty, Q&A) at a mid-market price.
stamped.ioSee full entry in The 11 Best Social Proof & Review Software Tools
Fera.ai
Focuses on conversion lift with built-in A/B testing for widgets.
www.fera.aiSee full entry in The 11 Best Social Proof & Review Software Tools
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.