ClientSuccess vs CustomerSuccessBox

Side-by-side from the Top 11 ranking of Gainsight vs ChurnZero vs Catalyst: 11 Best Customer Success Software Platforms 2026. Last verified June 7, 2026.

The short answer

ClientSuccess ranks higher on Top 11 (#6 vs #9) for CS leaders at SaaS companies choosing customer success platforms (Gainsight vs ChurnZero vs Totango vs ClientSuccess). A clean, straightforward platform focused on making the individual CSM's job easier.

At a glance

ClientSuccessCustomerSuccessBox
Top 11 rank#6 / Gainsight vs ChurnZero vs Catalyst: 11 Best Customer Success Software Platforms 2026#9 / Gainsight vs ChurnZero vs Catalyst: 11 Best Customer Success Software Platforms 2026
Score (out of 9.4)8.27.6
Best forSimplicity and CSM workflowB2B SaaS onboarding & adoption
Pricing$$$ ($25k to $70k/yr)$$ ($6k to $25k/yr)
HQLehi, USAWilmington, USA
Founded20142016

ClientSuccess

A clean, straightforward platform focused on making the individual CSM's job easier.

www.clientsuccess.com

See full entry in Gainsight vs ChurnZero vs Catalyst: 11 Best Customer Success Software Platforms 2026

CustomerSuccessBox

A focused platform for B2B SaaS, excelling at managing customer onboarding and adoption.

customersuccessbox.com

See full entry in Gainsight vs ChurnZero vs Catalyst: 11 Best Customer Success Software Platforms 2026

Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.