Is Osano or Sigstore better?

Neither clearly leads. Osano starts at Free and Sigstore at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.

Which is cheaper, Osano or Sigstore?

Osano starts at Free and Sigstore at Free.

Does Osano or Sigstore run on more platforms?

Osano runs on Web. Sigstore runs on Web, Linux, macOS, Windows, Self-hosted.

Can I use Osano for free?

Both have a free tier, so you can try either at no cost before committing.

What is Osano best used for?

Osano is most often used for a mid market company selling into the eu and california that needs one banner honouring different consent rules by visitor region, a privacy counsel who wants a vendor that will contractually stand behind its consent product rather than disclaim all liability, a marketing team that needs google consent mode signals wired correctly so analytics and ads degrade rather than break when consent is refused, a company with a handful of brand domains wanting one consent record and one scanning schedule across all of them. Of those, a mid market company selling into the eu and california that needs one banner honouring different consent rules by visitor region and a privacy counsel who wants a vendor that will contractually stand behind its consent product rather than disclaim all liability are not what Sigstore is typically brought in for.

What can Osano do that Sigstore cannot?

Osano covers Consent banner, Pre-consent tag blocking, Consent record, No fines guarantee. Sigstore covers Fulcio, Rekor, Keyless signing, Multi-language clients.

Cybersecurity · head to head

Osano vs Sigstore

Osano

Cybersecurity

Consent management and data privacy platform with a published self-serve tier

From: Free
Rated: -

Full review Website

Sigstore

Cybersecurity

Free public signing and transparency infrastructure for open source artifacts

From: Free
Rated: -

Full review Website

The short version

Each has a real cost: Osano the published visitor ceilings are low, with the paid self-serve tier stopping around 30,000 monthly visitors, so any consumer facing site with real traffic leaves published pricing immediately and negotiates a quote with no public anchor.; 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.
They diverge on capability: Osano covers Consent banner, Sigstore covers Fulcio.
Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Osano and Sigstore actually diverge.

Attributes where Osano and Sigstore differ
Attribute	Osano	Sigstore
Pricing model	Per month by monthly website visitors	Open source, public instance free to use
Platforms	Web	Web, Linux, macOS, Windows, Self-hosted

Identical on both: starting price (Free), free tier (Yes), 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 Osano

Consent banner
Pre-consent tag blocking
Consent record
No fines guarantee
Subject rights requests
Data mapping
Vendor privacy monitoring
Cookie scanning

Only in Sigstore

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

What people use each for

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

Osano

A mid market company selling into the EU and California that needs one banner honouring different consent rules by visitor regionnot Sigstore
A privacy counsel who wants a vendor that will contractually stand behind its consent product rather than disclaim all liabilitynot Sigstore
A marketing team that needs Google Consent Mode signals wired correctly so analytics and ads degrade rather than break when consent is refusednot Sigstore
A company with a handful of brand domains wanting one consent record and one scanning schedule across all of themnot Sigstore

Sigstore

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

Where each one falls short

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

Osano

The published visitor ceilings are low, with the paid self-serve tier stopping around 30,000 monthly visitors, so any consumer facing site with real traffic leaves published pricing immediately and negotiates a quote with no public anchor.
The no fines guarantee is bounded and conditional on configuring the product as instructed, so it is a marketing differentiator with an indemnity cap rather than the insurance policy the name suggests, and the limits should be read before it influences a decision.
Everything beyond consent, including subject rights automation, data mapping and vendor monitoring, is enterprise quoted, so the transparent pricing that attracts buyers covers only the cheapest part of the platform.
Tag blocking depends on tags being loaded through the mechanisms Osano can intercept, and marketing teams that inject scripts directly into templates or through server side tagging routinely leak trackers past the banner without anyone noticing.
It is a privacy platform rather than a security compliance one, so organisations that also need SOC 2 or ISO 27001 evidence collection run it alongside a separate tool and duplicate parts of the vendor and asset inventory.

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.

Pricing, plan by plan

Osano

Free

FreeFree
- 1 user
- 1 domain
- 5,000 monthly visitors
Plus$199/month
- 2 users
- 3 domains
- 30,000 monthly visitors
Enterprise$undefined/year
- Unlimited domains and higher visitor volumes
- Subject rights request automation
- Data mapping and assessments

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

Which should you pick?

Choose Osano if

You need consent banner.
You want to start without paying.
You also want pre-consent tag blocking.

Osano review

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

Questions people ask

Is Osano or Sigstore better?: Neither clearly leads. Osano starts at Free and Sigstore at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Osano or Sigstore?: Osano starts at Free and Sigstore at Free.
Does Osano or Sigstore run on more platforms?: Osano runs on Web. Sigstore runs on Web, Linux, macOS, Windows, Self-hosted.
Can I use Osano for free?: Both have a free tier, so you can try either at no cost before committing.
What is Osano best used for?: Osano is most often used for a mid market company selling into the eu and california that needs one banner honouring different consent rules by visitor region, a privacy counsel who wants a vendor that will contractually stand behind its consent product rather than disclaim all liability, a marketing team that needs google consent mode signals wired correctly so analytics and ads degrade rather than break when consent is refused, a company with a handful of brand domains wanting one consent record and one scanning schedule across all of them. Of those, a mid market company selling into the eu and california that needs one banner honouring different consent rules by visitor region and a privacy counsel who wants a vendor that will contractually stand behind its consent product rather than disclaim all liability are not what Sigstore is typically brought in for.
What can Osano do that Sigstore cannot?: Osano covers Consent banner, Pre-consent tag blocking, Consent record, No fines guarantee. Sigstore covers Fulcio, Rekor, Keyless signing, Multi-language clients.

Answered from the vendors’ own pages

Osano: Does the free tier include the no fines guarantee?

No. The guarantee attaches to paid use of the consent product, and the free tier is capped at one domain and 5,000 monthly visitors.

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.

Osano: How is Osano priced?

By monthly website visitors, number of domains and tier. The self-serve path stops at a low visitor ceiling and everything above is quoted.

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.

Osano: Can it handle US state privacy laws as well as GDPR?

Yes, with region aware rule sets covering GDPR, ePrivacy and the US state regimes, so an EU visitor sees an opt-in banner and a US visitor sees the applicable opt-out.

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.

Osano: Does Osano do subject access requests?

Yes, but in the enterprise tier rather than the published plans, and it is quoted separately from consent.

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.

Osano vs Sigstore

Osano

Sigstore

The short version

Where they differ

What each one covers

Only in Osano

Only in Sigstore

What people use each for

Osano

Sigstore

Where each one falls short

Osano

Sigstore

Pricing, plan by plan

Osano

Sigstore

Which should you pick?

Choose Osano if

Choose Sigstore if

Questions people ask

Answered from the vendors’ own pages

Related pages

More on Osano

More on Sigstore

Keep looking

Other head to heads