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Government · head to head

Periscope Holdings vs Socket

Periscope Holdings logo

Periscope Holdings

Government

Statewide e-procurement systems and supplier networks for large public agencies

From
On request
Free plan
No
Full reviewWebsite
Socket logo

Socket

Cybersecurity

Supply chain security platform detecting and blocking malicious dependencies

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Only Socket has a free tier, so it costs nothing to try first.
  • Each has a real cost: Periscope Holdings it is scaled and priced for statewide programmes, so a single city or county typically finds both the implementation effort and the cost out of proportion to its needs.; Socket team plan requires minimum 5-developer commitment, expensive for small teams
  • They diverge on capability: Periscope Holdings covers Sealed bid solicitation, Socket covers Malware detection.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Periscope Holdings and Socket actually diverge.

Attributes where Periscope Holdings and Socket differ
AttributePeriscope HoldingsSocket
Starting priceOn requestFree
Pricing modelquotePer-developer monthly subscription with tiered access
Free tierNoYes
PlatformsWebWeb, CLI, GitHub
CategoryGovernmentCybersecurity
FoundedUnknown2021

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 Periscope Holdings

  • Sealed bid solicitation
  • Supplier registration network
  • Contract catalogues
  • Cooperative purchasing
  • Spend and compliance reporting
  • Supplier diversity tracking

Only in Socket

  • Malware detection
  • Automatic blocking
  • AI behavior analysis
  • Reachability analysis
  • Slack integration
  • SBOM support
  • SAML SSO
  • GitHub Actions scanning

What people use each for

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

Periscope Holdings

  • A state building a central procurement portal serving many agencies and local entitiesnot Socket
  • A large agency needing statutory sealed bidding with a public opening recordnot Socket
  • A purchasing programme that must report spend and supplier diversity across entitiesnot Socket
  • A state wanting local governments to buy from its awarded cooperative contractsnot Socket

Socket

  • Blocking zero-day malware attacks in JavaScript dependenciesnot Periscope Holdings
  • Managing CVE false positives with precomputed reachability analysisnot Periscope Holdings
  • Securing Python and Go supply chains at scalenot Periscope Holdings
  • Automating compliance requirements for regulated industriesnot Periscope Holdings
  • Real-time threat notifications via Slack integrationnot Periscope Holdings

Where each one falls short

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

Periscope Holdings

  • It is scaled and priced for statewide programmes, so a single city or county typically finds both the implementation effort and the cost out of proportion to its needs.
  • The interface reflects the age and regulatory weight of the platform, and suppliers routinely describe registration and bidding as harder than on newer portals, which can suppress bid response.
  • Ownership has changed twice since 2021, from independent to mdf commerce to KKR, so roadmap and support continuity should be written into the contract rather than assumed.
  • Sibling products inside mdf commerce cover adjacent procurement ground, which means an apparently competitive shortlist may contain two products with the same owner.
  • Statewide implementations are multi year projects with heavy configuration and change management, and the professional services cost commonly exceeds the software over the contract term.

Socket

  • Team plan requires minimum 5-developer commitment, expensive for small teams
  • Business plan $50/dev/month becomes costly for teams exceeding 20 members
  • Enterprise pricing requires custom consultation with no transparent pricing
  • Free plan limited to individual developers without team collaboration
  • Reachability analysis improvement (90% false positive reduction) only on Enterprise

Pricing, plan by plan

Periscope Holdings

On request
  • BuySpeed$undefined/year
    • Quoted per programme, scaled to entities served and transaction volume
    • Multi year statewide contracts with implementation priced separately
    • Supplier side registration fees form part of the commercial model on some programmes

Socket

Free
  • FreeFree
    • For individual developers
    • Detects 70+ risk types
    • Blocks malicious dependencies automatically
  • Team$25/month
    • Per developer on minimum 5 developers
    • Precomputed reachability analysis cuts 60% false positives
    • Slack alerts for threats
  • Business$50/month
    • Per developer on minimum 20 developers
    • All Team features
    • Compliance integrations with Vanta
  • Enterprise$undefined/custom
    • Function-level reachability eliminates up to 90% irrelevant CVEs
    • Multi-repository system support
    • Named account manager

Which should you pick?

Choose Periscope Holdings if

  • You need sealed bid solicitation.
  • You also want supplier registration network.
Periscope Holdings review

Choose Socket if

  • You need malware detection.
  • You want to start without paying.
  • You work on Web, CLI, GitHub.
  • You also want automatic blocking.
Socket review

Questions people ask

Is Periscope Holdings or Socket better?
Neither clearly leads. Periscope Holdings starts at On request and Socket at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Periscope Holdings or Socket?
Socket has a free tier; the other does not. Paid plans start at On request for Periscope Holdings and Free for Socket.
Does Periscope Holdings or Socket run on more platforms?
Periscope Holdings runs on Web. Socket runs on Web, CLI, GitHub.
Can I use Socket for free?
Yes. Socket has a free tier, so you can try it without paying. Periscope Holdings starts at On request.
What is Periscope Holdings best used for?
Periscope Holdings is most often used for a state building a central procurement portal serving many agencies and local entities, a large agency needing statutory sealed bidding with a public opening record, a purchasing programme that must report spend and supplier diversity across entities, a state wanting local governments to buy from its awarded cooperative contracts. Of those, a state building a central procurement portal serving many agencies and local entities and a large agency needing statutory sealed bidding with a public opening record are not what Socket is typically brought in for.
What can Periscope Holdings do that Socket cannot?
Periscope Holdings covers Sealed bid solicitation, Supplier registration network, Contract catalogues, Cooperative purchasing. Socket covers Malware detection, Automatic blocking, AI behavior analysis, Reachability analysis.

Answered from the vendors’ own pages

Periscope Holdings: Who owns Periscope Holdings?

mdf commerce acquired it in 2021, and mdf commerce was itself acquired by KKR in 2024.

Socket: How many zero-day attacks does Socket detect?

Socket detects over 100 zero-day attacks weekly across JavaScript, Python, and Go ecosystems.

Source
Periscope Holdings: Is it suitable for a single city?

Usually not. It is built and priced for statewide or very large agency programmes.

Socket: What is precomputed reachability analysis?

Socket's precomputed reachability analysis cuts CVE false positives by 60% automatically on Team plans, and up to 90% on Enterprise plans through function-level analysis.

Source
Periscope Holdings: What is BuySpeed?

The e-procurement platform behind its statewide deployments, covering solicitation through catalogue ordering and reporting.

Socket: Is there a discount for annual billing?

Yes. Socket offers a 20% discount for annual commitments across all subscription tiers.

Source
Periscope Holdings: Can we see what a state paid?

Yes. State procurement awards are public records and typically disclose the full multi year contract value.

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