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Developer Tools · head to head

PhpStorm vs Sigstore

PhpStorm logo

PhpStorm

Developer Tools

JetBrains IDE for PHP web development

From
$24/month
Free plan
No
Full reviewWebsite
Sigstore logo

Sigstore

Cybersecurity

Free public signing and transparency infrastructure for open source artifacts

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Only Sigstore has a free tier, so it costs nothing to try first.
  • Each has a real cost: PhpStorm requires an ongoing paid subscription with no free tier for commercial 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.
  • They diverge on capability: PhpStorm covers PHP-aware coding assistance, Sigstore covers Fulcio.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which PhpStorm and Sigstore actually diverge.

Attributes where PhpStorm and Sigstore differ
AttributePhpStormSigstore
Starting price$24/monthFree
Pricing modelsubscriptionOpen source, public instance free to use
Free tierNoYes
Platformswindows, mac, linuxWeb, Linux, macOS, Windows, Self-hosted
CategoryDeveloper ToolsCybersecurity
Founded2000Unknown

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 PhpStorm

  • PHP-aware coding assistance
  • Integrated debugger
  • Front-end tooling
  • Database tools
  • Version control integration
  • Docker and remote deployment

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.

PhpStorm

  • Building PHP web applications with Laravel or Symfonynot Sigstore
  • Debugging PHP code with Xdebugnot Sigstore
  • Working across PHP, HTML, CSS, and JavaScript in one projectnot Sigstore
  • Managing databases alongside application codenot Sigstore

Sigstore

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

Where each one falls short

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

PhpStorm

  • Requires an ongoing paid subscription with no free tier for commercial use.
  • Heavier and slower to start than lightweight code editors.
  • Some advanced framework-specific tooling requires additional configuration or plugins.
  • Renewal pricing rises for lapsed subscriptions after the grace period.

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

PhpStorm

$24/month
  • Individual$24/month
    • Personal use license
    • Access to PhpStorm
    • Free for students and open-source maintainers
  • Organization$34/month
    • Business use license
    • Access to PhpStorm
    • Volume and renewal discounts

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 PhpStorm if

  • You need php-aware coding assistance.
  • You work on windows, mac, linux.
  • You also want integrated debugger.
PhpStorm 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 PhpStorm or Sigstore better?
Neither clearly leads. PhpStorm starts at $24/month and Sigstore at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, PhpStorm or Sigstore?
Sigstore has a free tier; the other does not. Paid plans start at $24/month for PhpStorm and Free for Sigstore.
Does PhpStorm or Sigstore run on more platforms?
PhpStorm runs on windows, mac, linux. Sigstore runs on Web, Linux, macOS, Windows, Self-hosted.
Can I use Sigstore for free?
Yes. Sigstore has a free tier, so you can try it without paying. PhpStorm starts at $24/month.
What is PhpStorm best used for?
PhpStorm is most often used for building php web applications with laravel or symfony, debugging php code with xdebug, working across php, html, css, and javascript in one project, managing databases alongside application code. Of those, building php web applications with laravel or symfony and debugging php code with xdebug are not what Sigstore is typically brought in for.
What can PhpStorm do that Sigstore cannot?
PhpStorm covers PHP-aware coding assistance, Integrated debugger, Front-end tooling, Database tools. Sigstore covers Fulcio, Rekor, Keyless signing, Multi-language clients.

Answered from the vendors’ own pages

PhpStorm: How much does PhpStorm cost?

PhpStorm is sold via JetBrains Toolbox subscription starting around $24/month for individuals and $34/month for organizations, with free licenses for students and open-source maintainers.

Source
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.

PhpStorm: Is there a free trial?

JetBrains offers a free trial of PhpStorm so developers can test it before subscribing.

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.

PhpStorm: What platforms does PhpStorm support?

PhpStorm is a desktop IDE available on Windows, macOS, and Linux via JetBrains Toolbox.

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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