Cybersecurity · head to head
Resolver vs Restate
Resolver
Cybersecurity
Risk, incident and investigations platform for corporate security and operational risk teams, owned by Kroll
- From
- On request
- Free plan
- No
Restate
Developer Tools
Durable execution engine in Rust with a free tier and low-latency workflows
- From
- Free
- Free plan
- Yes
The short version
- Only Restate has a free tier, so it costs nothing to try first.
- Each has a real cost: Resolver kroll ownership since 2022 means the product is sold alongside risk consulting services, so buyers who want software with no services attach should expect that conversation and should price the licence separately in negotiation.; 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.
- They diverge on capability: Resolver covers Incident management, Restate covers Durable execution.
- Prices and features above were last checked on 31 August 2026.
Where they differ
Only the attributes on which Resolver and Restate actually diverge.
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 Resolver
- Incident management
- Investigations
- Enterprise risk management
- Internal audit
- Compliance and obligations
- Business continuity
- Risk Event Management
- Configurable dashboards
Only in Restate
- Durable execution
- Virtual objects
- Single binary runtime
- Multi-language SDKs
- Workflows and sagas
- Restate Cloud
What people use each for
The jobs each tool is most often brought in to do.
Resolver
- A national retailer consolidating store incident reporting, loss prevention cases and investigations into one system with defensible evidence handlingnot Restate
- A bank that needs operational risk events captured against a risk and control register rather than in spreadsheets and emailnot Restate
- A university security operations centre running dispatch, case management and clery-style reporting from a single recordnot Restate
- An organisation that already retains Kroll for investigations and wants case intake and vendor handoff in the same platformnot Restate
Restate
- Payment or order flows where a crash between two external API calls must not double-charge or lose the ordernot Resolver
- AI agent loops that call tools over minutes or hours and must survive a deployment mid-runnot Resolver
- Replacing hand-rolled retry, idempotency key and outbox code across a set of microservicesnot Resolver
- A small team that wants durable workflows without operating a Temporal cluster and its databasenot Resolver
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Resolver
- Kroll ownership since 2022 means the product is sold alongside risk consulting services, so buyers who want software with no services attach should expect that conversation and should price the licence separately in negotiation.
- Configuration flexibility comes at the cost of implementation time, with deployments commonly running several months and typically requiring vendor or partner services, so the first-year cost is well above the annual licence.
- Module-based pricing means the platform gets expensive quickly once you add audit, compliance and continuity to a security-led purchase, and modules bought later rarely carry the discount of the original deal.
- The IT and cyber compliance side is thinner than dedicated tools, so organisations chasing SOC 2 or ISO 27001 evidence automation will find it does not replace a Drata or Vanta.
- Reporting is capable but the drag and drop builder has a real learning curve, and organisations that do not train an internal administrator end up raising support tickets for changes that should be self-service.
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.
Pricing, plan by plan
Resolver
On request- Resolver Core$undefined/year
- Priced by modules selected and number of users
- Annual or multi-year enterprise agreement
- Implementation and configuration quoted separately
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
Which should you pick?
Choose Resolver if
- You need incident management.
- You work on Web, iOS, Android.
- You also want investigations.
Choose Restate if
- You need durable execution.
- You want to start without paying.
- You work on Linux, macOS, Web.
- You also want virtual objects.
Questions people ask
- Is Resolver or Restate better?
- Neither clearly leads. Resolver starts at On request and Restate at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Resolver or Restate?
- Restate has a free tier; the other does not. Paid plans start at On request for Resolver and Free for Restate.
- Does Resolver or Restate run on more platforms?
- Resolver runs on Web, iOS, Android. Restate runs on Linux, macOS, Web.
- Can I use Restate for free?
- Yes. Restate has a free tier, so you can try it without paying. Resolver starts at On request.
- What is Resolver best used for?
- Resolver is most often used for a national retailer consolidating store incident reporting, loss prevention cases and investigations into one system with defensible evidence handling, a bank that needs operational risk events captured against a risk and control register rather than in spreadsheets and email, a university security operations centre running dispatch, case management and clery-style reporting from a single record, an organisation that already retains kroll for investigations and wants case intake and vendor handoff in the same platform. Of those, a national retailer consolidating store incident reporting, loss prevention cases and investigations into one system with defensible evidence handling and a bank that needs operational risk events captured against a risk and control register rather than in spreadsheets and email are not what Restate is typically brought in for.
- What can Resolver do that Restate cannot?
- Resolver covers Incident management, Investigations, Enterprise risk management, Internal audit. Restate covers Durable execution, Virtual objects, Single binary runtime, Multi-language SDKs.
Answered from the vendors’ own pages
Resolver: Who owns Resolver?
Kroll, which acquired it in 2022. It is marketed as a Kroll business and sold alongside Kroll risk and investigations services.
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.
Resolver: What does Resolver cost?
Pricing is not published. It is quoted by module and user count on an annual or multi-year enterprise agreement, with implementation charged separately.
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.
Resolver: Is Resolver a SOC 2 compliance tool?
No. It is a risk, incident and investigations platform. Automated evidence collection for security certifications is not its strength.
Restate: Is there a free tier?
Yes, fifty thousand durable actions a month on Restate Cloud with no card required.
Resolver: How long does implementation take?
Months rather than weeks for a multi-module deployment, and most customers use vendor or partner services to configure it.
Restate: Which languages are supported?
TypeScript, Java, Kotlin, Go, Python and Rust.
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- Restate vs Helm
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