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Cybersecurity · head to head

Sigstore vs Surfshark

Sigstore logo

Sigstore

Cybersecurity

Free public signing and transparency infrastructure for open source artifacts

From
Free
Rated
-
Full reviewWebsite
Surfshark logo

Surfshark

Cybersecurity

Secure your digital life

From
$1.78/month
Rated
-
Full reviewWebsite

The short version

  • Only Sigstore has a free tier, so it costs nothing to try first.
  • Each has a real cost: Sigstore the security model depends on somebody watching the log. The documentation states that compromise of an identity provider or of Fulcio itself is detectable only if third parties monitor the transparency log, the monitoring tool is a community-tier rather than core project, and almost no consumer runs one.; Surfshark smaller server network (4,500+ servers) compared to larger competitors like NordVPN
  • They diverge on capability: Sigstore covers Fulcio, Surfshark covers Unlimited devices.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Sigstore and Surfshark actually diverge.

Attributes where Sigstore and Surfshark differ
AttributeSigstoreSurfshark
Starting priceFree$1.78/month
Pricing modelOpen source, public instance free to useUnknown
Free tierYesNo
PlatformsWeb, Linux, macOS, Windows, Self-hostedWindows, macOS, iOS, Android, Linux
FoundedUnknown2018

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

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 Sigstore

  • Fulcio
  • Rekor
  • Keyless signing
  • Multi-language clients
  • Timestamp authority
  • Neutral governance

Only in Surfshark

  • Unlimited devices
  • CleanWeb ad blocker
  • MultiHop
  • Camouflage Mode
  • NoBorders mode
  • Kill Switch
  • Bypasser split tunneling
  • Rotating IP

What people use each for

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

Sigstore

  • Open source projects signing releases without running a certificate authoritynot Surfshark
  • Organisations meeting a signed-artifact requirement without buying a signing productnot Surfshark
  • Publishing provenance that a consumer can verify independently of younot Surfshark
  • Self-hosting the same components where a public log is unacceptablenot Surfshark

Surfshark

  • Vpnnot Sigstore
  • Privacynot Sigstore
  • Security Suitenot Sigstore

Where each one falls short

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

Sigstore

  • The security model depends on somebody watching the log. The documentation states that compromise of an identity provider or of Fulcio itself is detectable only if third parties monitor the transparency log, the monitoring tool is a community-tier rather than core project, and almost no consumer runs one.
  • It is a 99.5 percent objective with no service level agreement, which permits several hours of downtime a month and offers no remedy. A pipeline that signs on every build has taken a hard dependency on a free service with no contract behind it.
  • Log scale is a live engineering problem rather than a theoretical one. The active shard holds billions of entries, the log has already been sharded twice, and sharding version 1 requires stopping traffic, which is why a replacement was built.
  • Ten-minute certificates make trust depend on log availability. Verifying an older signature relies on the log entry proving it was made inside that window, so a lost or unreachable entry can render a valid artifact unverifiable.
  • Migration debt is substantial and ongoing. Version 2 of the log is generally available but not the public default, the signing client has an announced breaking release ahead, some official clients lag the new log format, and a post-quantum migration is named as the next break after that.

Surfshark

  • Smaller server network (4,500+ servers) compared to larger competitors like NordVPN
  • Lower brand recognition compared to established VPN providers
  • Limited customer service availability in some time zones

Pricing, plan by plan

Sigstore

Free
  • Public good instanceFree
    • Free to everyone with no contract
    • 99.5 percent availability objective, not an agreement
    • 100KB cap per attestation upload
  • Self-hostedFree
    • Apache-2.0
    • Run your own Fulcio and Rekor
    • Rekor v2 available for self-hosters

Surfshark

$1.78/month
  • Starter$1.78/month
    • Unlimited simultaneous connections
    • 4,500+ servers
    • Basic VPN
  • One$3.59/month
    • VPN
    • Antivirus
    • Personal data leak alert
  • One+$4/month
    • All One features
    • Incogi included

Which should you pick?

Choose Sigstore if

  • You need fulcio.
  • You want to start without paying.
  • You work on Web, Linux, macOS, Windows, Self-hosted.
  • You also want rekor.
Sigstore review

Choose Surfshark if

  • You need unlimited devices.
  • You work on Windows, macOS, iOS, Android, Linux.
  • You also want cleanweb ad blocker.
Surfshark review

Questions people ask

Is Sigstore or Surfshark better?
Neither clearly leads. Sigstore starts at Free and Surfshark at $1.78/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Sigstore or Surfshark?
Sigstore has a free tier; the other does not. Paid plans start at Free for Sigstore and $1.78/month for Surfshark.
Does Sigstore or Surfshark run on more platforms?
Sigstore runs on Web, Linux, macOS, Windows, Self-hosted. Surfshark runs on Windows, macOS, iOS, Android, Linux.
Can I use Sigstore for free?
Yes. Sigstore has a free tier, so you can try it without paying. Surfshark starts at $1.78/month.
What is Sigstore best used for?
Sigstore is most often used for open source projects signing releases without running a certificate authority, organisations meeting a signed-artifact requirement without buying a signing product, publishing provenance that a consumer can verify independently of you, self-hosting the same components where a public log is unacceptable. Of those, open source projects signing releases without running a certificate authority and organisations meeting a signed-artifact requirement without buying a signing product are not what Surfshark is typically brought in for.
What can Sigstore do that Surfshark cannot?
Sigstore covers Fulcio, Rekor, Keyless signing, Multi-language clients. Surfshark covers Unlimited devices, CleanWeb ad blocker, MultiHop, Camouflage Mode.

Answered from the vendors’ own pages

Sigstore: Is the public instance really free?

Yes, with no contract and no paid tier. That is also the weakness: a 99.5 percent objective with no agreement, no remedy and support through Slack.

Surfshark: Does Surfshark maintain a no-logs policy?

Yes. Surfshark does not log browsing history, visited IP addresses, bandwidth usage, or network traffic. This policy was independently verified by Deloitte in 2025.

Source
Sigstore: Has the public log moved to Rekor v2?

No. Version 2 reached general availability in October 2025 and self-hosters can use it, but the public instance still defaults to version 1 and the project has said it will for the foreseeable future.

Surfshark: How many simultaneous device connections does Surfshark allow?

Surfshark allows unlimited simultaneous connections on all subscription plans, enabling protection of every device in a household with a single subscription.

Source
Sigstore: Does Sigstore make my dependencies safe?

No, and this is a category error worth avoiding. It tells you who published something. It has no knowledge of what the artifact contains or whether it is vulnerable.

Sigstore: What are the rate limits?

Not published. Only the 100KB cap per attestation upload is documented, so do not design a high-volume pipeline around assumed throughput.

Sigstore: Should we self-host it?

If a public record of every signature is unacceptable, or if a free service with no agreement cannot sit in your build path, then yes. Otherwise the public instance is what most projects use.

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