Softwr

Communication · head to head

Flock vs Postman

Flock logo

Flock

Communication

Organized team communication platform

From
Free
Rated
-
Full reviewWebsite
Postman logo

Postman

Technology

The API platform for building and using APIs

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Flock the Starter plan only makes the most recent 10,000 messages searchable and caps public channels at 10; Postman free plan limited to single user as of March 1, 2026, making it unsuitable for teams without paid plans
  • They diverge on capability: Flock covers Team chat, Postman covers API client.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Flock and Postman actually diverge.

Attributes where Flock and Postman differ
AttributeFlockPostman
Pricing modelsubscriptionUnknown
PlatformsWeb, Windows, Macos, Ios, AndroidWeb, Windows, macOS, Linux
CategoryCommunicationTechnology

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), founded (2014).

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 Flock

  • Team chat
  • Channels
  • Threads
  • File sharing
  • Polls
  • Integrations
  • Mobile apps
  • Zapier

Only in Postman

  • API client
  • Automated testing
  • Mock servers
  • Documentation
  • Monitors
  • Workspaces
  • Version control
  • API design

Both cover

  • Slack
  • GitHub
  • Jira

What people use each for

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

Flock

  • Team messaging with channels, direct messages and file sharingnot Postman
  • Running polls, to-dos and reminders inside a chat workspacenot Postman
  • Video conferencing and screen sharing for small teamsnot Postman

Postman

  • API testingnot Flock
  • API documentationnot Flock
  • API monitoringnot Flock
  • Team collaborationnot Flock
  • API developmentnot Flock

Where each one falls short

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

Flock

  • The Starter plan only makes the most recent 10,000 messages searchable and caps public channels at 10
  • Starter storage is 5 GB for the entire team, against 10 GB per member on Pro and 20 GB per member on Enterprise
  • Starter allows a single team admin and a single approved domain
  • Group video calls and screen sharing require the Pro plan; Starter is limited to 1-1 video calls
  • Group video calls are capped at 20 participants even on Enterprise
  • Single Sign-On and Active Directory sync are Enterprise only
  • Enterprise is quote only, with no published rate, and is positioned for organisations with 100 or more members
  • Unlimited auto-join and announcement channels require Enterprise; Starter and Pro get one of each

Postman

  • Free plan limited to single user as of March 1, 2026, making it unsuitable for teams without paid plans
  • Only 25 collection runs per month and 1,000 API calls/month on free tier
  • Removed local-only Scratch Pad mode in 2023, forcing cloud account creation and sync
  • Requires Postman account and internet connection for most features
  • Cloud-first architecture with mandatory syncing to Postman's cloud servers
  • No CI/CD integration or advanced security features on free plan

Pricing, plan by plan

Flock

Free
  • FreeFree
    • Unlimited chats
    • Channels
    • File sharing
  • Pro$5/month
    • Everything in Free
    • Advanced search
    • API access

Postman

Free
  • FreeFree
    • 1 user
    • 25 collection runs/month
    • 1,000 API calls/month
  • Team$14/month
    • Team collaboration
    • Shared workspaces
    • API mocking
  • Professional$29/month
    • Team features
    • Advanced security
    • SSO
  • Enterprise$49/month
    • Professional features
    • Custom integrations
    • Priority support

Which should you pick?

Choose Flock if

  • You need team chat.
  • You want to start without paying.
  • You work on Web, Windows, Macos, Ios, Android.
  • You also want channels.
Flock review

Choose Postman if

  • You need api client.
  • You want to start without paying.
  • You work on Web, Windows, macOS, Linux.
  • You also want automated testing.
Postman review

Questions people ask

Is Flock or Postman better?
Neither clearly leads. Flock starts at Free and Postman at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Flock or Postman?
Flock starts at Free and Postman at Free.
Does Flock or Postman run on more platforms?
Flock runs on Web, Windows, Macos, Ios, Android. Postman runs on Web, Windows, macOS, Linux.
Can I use Flock for free?
Both have a free tier, so you can try either at no cost before committing.
What is Flock best used for?
Flock is most often used for team messaging with channels, direct messages and file sharing, running polls, to-dos and reminders inside a chat workspace, video conferencing and screen sharing for small teams. Of those, team messaging with channels, direct messages and file sharing and running polls, to-dos and reminders inside a chat workspace are not what Postman is typically brought in for.
What can Flock do that Postman cannot?
Flock covers Team chat, Channels, Threads, File sharing. Postman covers API client, Automated testing, Mock servers, Documentation. Both handle Slack, GitHub, Jira.

Answered from the vendors’ own pages

Flock: Does Flock offer a free plan?

Yes, Flock's Starter plan is free and supports teams with 1-20 members, including 10,000 searchable messages and 5 GB storage.

Source
Postman: What is the cost of Postman?

Postman has a free plan limited to 1 user, 25 collection runs/month, 1,000 API calls/month. Team plans start at $14/user/month for Basic. Professional at $29/user/month, and Enterprise at $49/user/month.

Source
Flock: What does Flock's Pro plan include?

The Pro plan supports teams with 20-100 members and offers unlimited messages, 10 GB per team member storage, and a 30-day free trial with no credit card required.

Source
Postman: Can I use Postman offline?

Postman requires an internet connection to sync collections to the cloud. Since 2023, the Scratch Pad local-only mode was removed. Users must sign in with a Postman account, and collections sync to cloud by default. Offline work is possible but limited without cloud sync features.

Source
Flock: How does Flock charge for external guests?

External guests are free for 90 days from date of invitation. After 90 days, guests are charged at the same rate as other team members.

Source
Postman: Does Postman have team collaboration?

Team collaboration is not available on the free plan (limited to 1 user). Team plans start at $14/user/month and include shared workspaces, real-time collaboration, and team management features.

Source
Postman: What are the free plan limits?

Free plan allows: 1 user only, 25 collection runs per month, 1,000 API calls/month, and 1,000 mock server calls/month. No CI/CD integration or advanced security features.

Source
Postman: Does Postman work with other development tools?

Postman integrates with Git repositories, offers a Node.js runner (Newman) for automation, and connects with popular CI/CD platforms. Teams using git-native workflows may prefer alternatives like Bruno.

Source
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