What the evidence decides
Security and compliance
Tie on hipaa compliance stated
Both sides document the same value.
Security and compliance
Tie on iso/iec 27001
Both sides document the same value.
Security and compliance
Tie on pci dss stated
Both sides document the same value.
Security and compliance
Tie on soc 2 type ii
Both sides document the same value.
Attribute by attribute
Pricing
Entry price per month (USD)
Not yet verified
Heroku
Not yet verified
Not researched
Zscaler
Not yet verified
not measured on at least one side
Free tier
Not yet verified
Heroku
Not yet verified
Not researched
Zscaler
Not yet verified
not measured on at least one side
Free trial length (days)
Not yet verified
Heroku
Not yet verified
Not researched
Zscaler
Not yet verified
no directional preference
Public list price
Not yet verified
Heroku
Not yet verified
Not researched
Zscaler
Not yet verified
not measured on at least one side
Security and compliance
Audit log of agent actions
Not yet verified
Heroku
Not yet verified
Not yet verified
Zscaler
Not yet verified
not measured on at least one side
Data processing agreement offered
Not yet verified
Heroku
Not yet verified
Not yet verified
Zscaler
Not yet verified
not measured on at least one side
FedRAMP authorisation
Not yet verified
Heroku
Not yet verified
Not yet verified
Zscaler
Not yet verified
not measured on at least one side
GDPR compliance stated
Not yet verified
Heroku
Not yet verified
Not yet verified
Zscaler
Not yet verified
not measured on at least one side
HIPAA compliance stated
Yes
Heroku
Verified90
Yes
Zscaler
Verified90
Tie
Sources for this row
Heroku:
Zscaler:
compliance.zscaler.com (tier 1), retrieved 2026-09-02
ISO/IEC 27001
Yes
Heroku
Verified90
Yes
Zscaler
Verified90
Tie
Sources for this row
Heroku:
www.heroku.com (tier 1), retrieved 2026-09-02
Zscaler:
compliance.zscaler.com (tier 1), retrieved 2026-09-02
PCI DSS stated
Yes
Heroku
Verified90
Yes
Zscaler
Verified90
Tie
Sources for this row
Heroku:
www.heroku.com (tier 1), retrieved 2026-09-02
Zscaler:
compliance.zscaler.com (tier 1), retrieved 2026-09-02
SOC 2 Type II
Yes
Heroku
Verified90
Yes
Zscaler
Verified90
Tie
Sources for this row
Heroku:
www.heroku.com (tier 1), retrieved 2026-09-02
Zscaler:
compliance.zscaler.com (tier 1), retrieved 2026-09-02
Platform and integration
Public API
Not yet verified
Heroku
Not yet verified
Not yet verified
Zscaler
Not yet verified
not measured on at least one side
Mobile app (iOS or Android)
Not yet verified
Heroku
Not yet verified
Not yet verified
Zscaler
Not yet verified
no directional preference
SCIM user provisioning
Not yet verified
Heroku
Not yet verified
Not yet verified
Zscaler
Not yet verified
not measured on at least one side
Single sign-on
Yes
Heroku
Verified90
Not yet verified
Zscaler
Not yet verified
not measured on at least one side
Sources for this row
Heroku:
www.heroku.com (tier 1), retrieved 2026-09-02
Uptime commitment (%)
Not yet verified
Heroku
Not yet verified
Not yet verified
Zscaler
Not yet verified
not measured on at least one side
A missing measurement never counts
against a product. If we could not reach a document, that is a fact
about our research and not about the vendor. Open a row to see the
source, its tier and the day we read it.