Comparison

Nosto vs G2

Nosto and G2 both land on Depends.

Nosto

Depends

Confidence: Medium

Buy if you run an established Shopify or Magento store with steady traffic and budget for personalization; the suite is genuinely strong there.

Depends

Confidence: Medium

Buyers shortlisting B2B software should use G2 free as one input, cross-checked against Capterra or TrustRadius.

Nosto versus G2
Compare	Nosto	G2
Verdict	Depends	Depends
Best for	Established Shopify/Magento stores	B2B software buyers shortlisting tools
Who it's not for	Small or new stores . custom pricing won't pencil out	Vendors without five-figure budgets
Privacy	One disclosed reflected XSS (CVE-2025-40726, 2025); no known breaches in reviewed sources.^⁶	No public security page found; UpGuard reports no phishing; G2's own DPA references a past data breach.¹⁵
Support quality	No support evidence in reviewed sources	Trustpilot and BBB complaints about G2's service
Public sentiment	Across 235 G2 reviews and Shopify App Store reviews, users praise the friendly interface and results while cost concerns recur.^¹	Buyers find G2 useful for breadth, but sentiment on G2's own service skews negative on Trustpilot and Redditors weigh it against Capterra and Trustpilot.
Biggest gotcha	Custom quote pricing . no number until sales talks; budget negotiation time^⁷	Vendor contracts are negotiated and opaque; budget five figures annually before committing.¹⁶