● Calculator
Customer Review ROI Calculator
Every customer review has a measurable financial value. According to an Ifop study (January 2026), 83% of consumers have abandoned a purchase because of negative reviews, and 64% completed one thanks to very positive reviews. Calculate how much your reviews are worth to your revenue in 2 minutes.
83%
of buyers influenced by negative reviews
64%
of purchases completed thanks to positive reviews
54%
willing to pay more for a well-rated brand
● Calculator
▶Advanced parameters
Conservative assumptions based on : Google +17% CTR · Spiegel +270% conv. · Bazaarvoice +32 à +144%
Conservative
+20 K€
of additional gross margin / year
Realistic
+44 K€
of additional gross margin / year
Optimistic
+80 K€
of additional gross margin / year
Realistic scenario
+44 K€
of additional gross margin / year
Measurable via native A/B test included in the pilot.
+Sources & methodology
Lever 1: review reassurance in ads
- +17% CTR Google seller ratings (Yotpo, Bazaarvoice)
- +66% CTR retargeting avec TrustScore (Trustpilot)
- ×4 CTR UGC dans les ads Meta vs créas stock (Nosto)
Lever 2: reassurance on PDP / checkout
- +270% conversion avec 5 avis vs 0 (Spiegel Research, Northwestern University)
- +144% conversion engagement UGC — Forrester TEI (Bazaarvoice)
- +32% conversion sur pages avec ratings & reviews (Bazaarvoice)
Methodology
All uplifts are deliberately at 1/5 to 1/50 of documented references, to remain defensible in budget reviews.
Real ROI is measured via A/B test (50% exposed vs 50% control, D+90 report).
Estimates based on e-commerce benchmarks. Not contractual.
● What this reveals
Your reviews work before the click and after the click
Your Google seller ratings appear automatically below every Search and Shopping ad. No campaign changes. No extra budget. On average, that drives +6% more clicks on your ads. Same spend, more traffic: your acquisition cost drops automatically.
93% of consumers check reviews before buying (Ifop, January 2026). 5 reviews on a product page increase conversion by +270% vs 0 reviews (Spiegel Research, Northwestern). Review Collect gets you those verified reviews from month one, exactly where the buyer makes their decision.
Lever 1: your stars in every ad
Your seller ratings appear automatically below every Google Search and Shopping ad. No campaign changes. No extra budget. On average, that drives +6% more clicks. Same spend, more traffic: your acquisition cost drops automatically.
Lever 2: verified reviews on your product pages
Just 5 reviews on a product page increase conversion by +270% vs 0 reviews (Spiegel Research, Northwestern). Review Collect gets you those verified reviews from month one, exactly where the buyer makes their decision.
The uplifts in this calculator are conservative by design. Published studies show higher results. Your real numbers will only be known after deployment, and Review Collect includes the A/B test to measure them.See how Review Collect activates both levers →
Frequently asked questions
● Go further
Product
Collect more reviews automatically
Go from 2-3% to 39% collection rate with Review Collect's multi-channel sequences.
Product
All your reviews, centralized
Bring all your Google, Trustpilot and Verified Reviews into one dashboard.
Product
Review analytics
Identify what drives your ROI: sentiment analysis, negative review alerts, trends.
