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Developer Tools · head to head

Restate vs TrustArc

Restate logo

Restate

Developer Tools

Durable execution engine in Rust with a free tier and low-latency workflows

From
Free
Free plan
Yes
Full reviewWebsite
TrustArc logo

TrustArc

Cybersecurity

Privacy management platform with regulatory research and the TRUSTe certification programme

From
On request
Free plan
No
Full reviewWebsite

The short version

  • Only Restate has a free tier, so it costs nothing to try first.
  • Each has a real cost: Restate the runtime is under a Business Source Licence rather than an open source licence, so building a competing managed offering on it is prohibited and some procurement functions will reject it on licence grounds alone.; TrustArc the software layer is generally shallower than OneTrust, particularly automated data discovery across large heterogeneous estates, so organisations with sprawling infrastructure often still need a separate discovery tool.
  • They diverge on capability: Restate covers Durable execution, TrustArc covers Nymity Research.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Restate and TrustArc actually diverge.

Attributes where Restate and TrustArc differ
AttributeRestateTrustArc
Starting priceFreeOn request
Pricing modelPer month by durable action countquote
Free tierYesNo
PlatformsLinux, macOS, WebWeb
CategoryDeveloper ToolsCybersecurity

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 Restate

  • Durable execution
  • Virtual objects
  • Single binary runtime
  • Multi-language SDKs
  • Workflows and sagas
  • Restate Cloud

Only in TrustArc

  • Nymity Research
  • TRUSTe certification
  • Consent and preference management
  • Privacy assessments
  • Data inventory and mapping
  • Individual rights requests
  • Cookie consent manager
  • Privacy programme benchmarking

What people use each for

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

Restate

  • Payment or order flows where a crash between two external API calls must not double-charge or lose the ordernot TrustArc
  • AI agent loops that call tools over minutes or hours and must survive a deployment mid-runnot TrustArc
  • Replacing hand-rolled retry, idempotency key and outbox code across a set of microservicesnot TrustArc
  • A small team that wants durable workflows without operating a Temporal cluster and its databasenot TrustArc

TrustArc

  • A consumer brand that needs an independent privacy seal on its website because enterprise customers or app stores ask for third-party verificationnot Restate
  • A multinational privacy team that needs a maintained answer to what a given jurisdiction requires without retaining outside counsel for every questionnot Restate
  • An organisation running DPIAs at volume that wants templates tied to a maintained regulatory library rather than to a consultant word documentnot Restate
  • A privacy programme being audited that needs documented maturity benchmarking against a recognised framework of programme activitiesnot Restate

Where each one falls short

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

Restate

  • The runtime is under a Business Source Licence rather than an open source licence, so building a competing managed offering on it is prohibited and some procurement functions will reject it on licence grounds alone.
  • Restate Cloud jumps from a free fifty thousand actions straight to 300 US dollars a month for twenty million, so a workload sitting at a few hundred thousand actions pays enterprise-shaped money for hobby-shaped volume.
  • It is a young project against Temporal’s established base, so hiring engineers who already know it is unrealistic and the answer to most questions is in the docs rather than on Stack Overflow.
  • The programming model requires structuring code around durable handlers and virtual objects, which is a genuine rewrite for existing services rather than a library you add.
  • The single-binary simplicity that makes small deployments cheap also means fewer operational knobs at very large scale than a system designed as separable components.

TrustArc

  • The software layer is generally shallower than OneTrust, particularly automated data discovery across large heterogeneous estates, so organisations with sprawling infrastructure often still need a separate discovery tool.
  • The integration catalogue is smaller than the market leader, which means more of the data inventory is maintained by hand and drifts out of date between reviews.
  • Certification services are sold separately from the platform subscription, so the seal that is often the reason for choosing TrustArc is an extra line item and an extra annual renewal.
  • Reported contract values vary enormously by module mix and organisation size, and the absence of published pricing means smaller buyers have no anchor and routinely discover the entry price is higher than expected.
  • TrustArc stays inside privacy, so organisations that later want third-party risk, security compliance or ethics reporting on the same platform will be running a second vendor anyway.

Pricing, plan by plan

Restate

Free
  • FreeFree
    • Fifty thousand durable actions per month
    • No credit card required
    • Community support
  • Starter$300/month
    • Twenty million actions per month
    • Two hundred actions per second, bursting to one thousand
    • Twenty GB storage
  • Pro$1000/month
    • Fifty million actions per month
    • Five hundred actions per second, bursting to two thousand
    • Fifty GB storage
  • Enterprise$undefined/year
    • Negotiated volume
    • Twenty-four seven P0 support
    • 99.99 per cent SLA

TrustArc

On request
  • TrustArc Privacy Platform$undefined/year
    • Quoted by module, entity count and data volume
    • TRUSTe certification and assessment services priced separately from platform subscription
    • Nymity Research licensed as a separate module

Which should you pick?

Choose Restate if

  • You need durable execution.
  • You want to start without paying.
  • You work on Linux, macOS, Web.
  • You also want virtual objects.
Restate review

Choose TrustArc if

  • You need nymity research.
  • You also want truste certification.
TrustArc review

Questions people ask

Is Restate or TrustArc better?
Neither clearly leads. Restate starts at Free and TrustArc at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Restate or TrustArc?
Restate has a free tier; the other does not. Paid plans start at Free for Restate and On request for TrustArc.
Does Restate or TrustArc run on more platforms?
Restate runs on Linux, macOS, Web. TrustArc runs on Web.
Can I use Restate for free?
Yes. Restate has a free tier, so you can try it without paying. TrustArc starts at On request.
What is Restate best used for?
Restate is most often used for payment or order flows where a crash between two external api calls must not double-charge or lose the order, ai agent loops that call tools over minutes or hours and must survive a deployment mid-run, replacing hand-rolled retry, idempotency key and outbox code across a set of microservices, a small team that wants durable workflows without operating a temporal cluster and its database. Of those, payment or order flows where a crash between two external api calls must not double-charge or lose the order and ai agent loops that call tools over minutes or hours and must survive a deployment mid-run are not what TrustArc is typically brought in for.
What can Restate do that TrustArc cannot?
Restate covers Durable execution, Virtual objects, Single binary runtime, Multi-language SDKs. TrustArc covers Nymity Research, TRUSTe certification, Consent and preference management, Privacy assessments.

Answered from the vendors’ own pages

Restate: Is Restate open source?

The SDKs are MIT. The runtime is under a Business Source Licence, which permits self-hosting but not offering it as a competing service.

TrustArc: What does TrustArc have that OneTrust does not?

Nymity Research, a maintained regulatory intelligence library acquired in 2019, and the TRUSTe third-party certification and seal programme.

Restate: How does it compare with Temporal?

Same problem, different shape: one Rust binary with embedded storage instead of a server plus database plus workers, and lower per-step latency.

TrustArc: How much does TrustArc cost?

Not published. Reported enterprise agreements range widely depending on modules and organisation size, and certification services are quoted on top of the platform subscription.

Restate: Is there a free tier?

Yes, fifty thousand durable actions a month on Restate Cloud with no card required.

TrustArc: Is TRUSTe the same company?

Yes. TrustArc is the renamed TRUSTe business and still operates the TRUSTe certification programme as a subsidiary.

Restate: Which languages are supported?

TypeScript, Java, Kotlin, Go, Python and Rust.

TrustArc: Does it handle cookie consent for Europe?

Yes, it includes a consent manager with scanning and banner delivery, though pure-play consent vendors are cheaper if that is all you need.

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