Module scope — single module vs full S/4HANA footprint including ABAP and Fiori
Provisioning — minutes vs days; self-service portal vs manual setup
Training bundle — some vendors price courses + sandbox together; others sell access only
Hidden costs to watch
Setup fees or mandatory onboarding calls
VPN or static IP requirements
Expired trials that charge conversion fees
SAP Server Access model
Transparent subscription plans with country-based checkout pricing, instant provisioning, and the same full S/4HANA 2023 system on every tier — differences are mainly duration.