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Government · head to head

DataSF vs Zscaler Internet Access

DataSF logo

DataSF

Government

San Francisco Open Data Portal

From
Free
Free plan
Yes
Full reviewWebsite
Zscaler Internet Access logo

Zscaler Internet Access

Cybersecurity

Secure cloud-native internet and SaaS access

From
$100/year
Free plan
No
Full reviewWebsite

The short version

  • Only DataSF has a free tier, so it costs nothing to try first.
  • They diverge on capability: DataSF covers Open Datasets, Zscaler Internet Access covers Secure web gateway.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which DataSF and Zscaler Internet Access actually diverge.

Attributes where DataSF and Zscaler Internet Access differ
AttributeDataSFZscaler Internet Access
Starting priceFree$100/year
Pricing modelfreesubscription
Free tierYesNo
PlatformsWebWeb, Desktop, Mobile
CategoryGovernmentCybersecurity
Founded20092007

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in DataSF

  • Open Datasets
  • Data API
  • Visualizations
  • Data Catalog
  • Automated Updates
  • Socrata
  • ArcGIS
  • Analysis Tools

Only in Zscaler Internet Access

  • Secure web gateway
  • Cloud firewall
  • URL filtering
  • Advanced threat protection
  • Data loss prevention
  • Cloud sandbox
  • Browser isolation
  • CASB

What people use each for

The jobs each tool is most often brought in to do.

DataSF

  • Citizen Servicesnot Zscaler Internet Access
  • Records Managementnot Zscaler Internet Access
  • Public Safetynot Zscaler Internet Access
  • Civic Engagementnot Zscaler Internet Access

Zscaler Internet Access

  • Cloud Securitynot DataSF
  • Zero Trustnot DataSF
  • Web Securitynot DataSF

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

DataSF

Nothing recorded yet. See the DataSF review.

Zscaler Internet Access

  • The pricing page names two base tiers, Essentials Platform and Zscaler Platform, plus modular add ons including three Digital Experience Monitoring tiers, but publishes no dollar figures anywhere and routes buyers to a demo request for cost

Pricing, plan by plan

DataSF

Free
  • Public AccessFree
    • Dataset Access
    • API Access
    • Visualizations

Zscaler Internet Access

$100/year
  • ZIA Business$100/year
    • Web security
    • URL filtering
    • Cloud firewall
  • ZIA Transformation$200/year
    • All Business features
    • Advanced threat protection
    • Cloud sandbox
  • ZIA Unlimited$350/year
    • All Transformation features
    • Cloud browser isolation
    • CASB

Which should you pick?

Choose DataSF if

  • You need open datasets.
  • You want to start without paying.
  • You also want data api.
DataSF review

Choose Zscaler Internet Access if

  • You need secure web gateway.
  • You work on Web, Desktop, Mobile.
  • You also want cloud firewall.
Zscaler Internet Access review

Questions people ask

Is DataSF or Zscaler Internet Access better?
Neither clearly leads. DataSF starts at Free and Zscaler Internet Access at $100/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, DataSF or Zscaler Internet Access?
DataSF has a free tier; the other does not. Paid plans start at Free for DataSF and $100/year for Zscaler Internet Access.
Does DataSF or Zscaler Internet Access run on more platforms?
DataSF runs on Web. Zscaler Internet Access runs on Web, Desktop, Mobile.
Can I use DataSF for free?
Yes. DataSF has a free tier, so you can try it without paying. Zscaler Internet Access starts at $100/year.
What is DataSF best used for?
DataSF is most often used for citizen services, records management, public safety, civic engagement. Of those, citizen services and records management are not what Zscaler Internet Access is typically brought in for.
What can DataSF do that Zscaler Internet Access cannot?
DataSF covers Open Datasets, Data API, Visualizations, Data Catalog. Zscaler Internet Access covers Secure web gateway, Cloud firewall, URL filtering, Advanced threat protection.

Answered from the vendors’ own pages

Zscaler Internet Access: How many pricing tiers does Zscaler Internet Access offer?

Zscaler Internet Access offers two main platform bundles: the Essentials Platform (entry-level) and the Zscaler Platform (comprehensive). Specific pricing is not published online.

Source
Zscaler Internet Access: Are there optional add-on modules available?

Yes. Zscaler offers extensive optional capabilities in five categories including Inline Cyberthreat Protection, Private Access enhancements, Data Security, Security Operations, and Zero Trust Branch.

Source
Zscaler Internet Access: How is Zscaler Zero Trust Branch priced?

Zero Trust Branch is sized by encrypted throughput (200 Mbps to 10 Gbps) or endpoint count (200 to 5,000 endpoints), with pricing varying by configuration.

Source
Zscaler Internet Access: How do I get Zscaler pricing?

Zscaler does not publish pricing online. You must request a demo or contact their sales team to receive a pricing quote.

Source
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