Softwr

E-Commerce · head to head

FullStory vs Segment

FullStory logo

FullStory

E-Commerce

Digital experience intelligence platform

From
Free
Rated
-
Full reviewWebsite
Segment logo

Segment

Technology

Customer data platform that unifies your data

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: FullStory free tier limited to 30,000 sessions per month, no 5,000+ monthly active user sites; Segment pricing is not transparent; requires sales contact for quotes
  • They diverge on capability: FullStory covers Session replay, Segment covers Data collection.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which FullStory and Segment actually diverge.

Attributes where FullStory and Segment differ
AttributeFullStorySegment
Pricing modelquoteUnknown
PlatformsWeb, MobileWeb, API
CategoryE-CommerceTechnology
Founded20142011

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

  • Session replay
  • Heatmaps
  • Conversion funnels
  • User journey mapping
  • Error tracking
  • Frustration signals
  • Search functionality
  • Custom events

Only in Segment

  • Data collection
  • Data routing
  • Data warehouse
  • Identity resolution
  • Protocols
  • Privacy portal
  • Functions
  • Replay

Both cover

  • Slack
  • Google Analytics
  • Salesforce
  • Intercom
  • SOC2
  • GDPR
  • HIPAA

What people use each for

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

FullStory

  • User experience analysisnot Segment
  • Bug reproductionnot Segment
  • Conversion optimizationnot Segment
  • Customer supportnot Segment
  • Product developmentnot Segment

Segment

  • Customer data unificationnot FullStory
  • Marketing attributionnot FullStory
  • Product analyticsnot FullStory
  • Data governancenot FullStory
  • Personalizationnot FullStory

Where each one falls short

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

FullStory

  • Free tier limited to 30,000 sessions per month, no 5,000+ monthly active user sites
  • Personal email addresses cannot be used for signup; business email domain required
  • Paid plan pricing not publicly listed, requires sales contact for quotes
  • Free plan has no email support, only community-based assistance
  • Mobile app analytics requires a separate add-on purchase

Segment

  • Pricing is not transparent; requires sales contact for quotes
  • No lower-tier option for small businesses without contacting sales
  • Custom pricing can be expensive for mid-market companies
  • Now owned by Twilio, which affects long-term independence and focus

Pricing, plan by plan

FullStory

Free
  • FreeFree
    • 1,000 sessions/month
    • 14-day data retention
    • Basic analytics
  • Business$undefined/month
    • Custom sessions
    • 3-month retention
    • Advanced analytics
  • Enterprise$undefined/month
    • Unlimited sessions
    • Custom retention
    • Advanced privacy controls

Segment

Free

No published plan breakdown. See the Segment review.

Which should you pick?

Choose FullStory if

  • You need session replay.
  • You want to start without paying.
  • You work on Web, Mobile.
  • You also want heatmaps.
FullStory review

Choose Segment if

  • You need data collection.
  • You want to start without paying.
  • You work on Web, API.
  • You also want data routing.
Segment review

Questions people ask

Is FullStory or Segment better?
Neither clearly leads. FullStory starts at Free and Segment at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, FullStory or Segment?
FullStory starts at Free and Segment at Free.
Does FullStory or Segment run on more platforms?
FullStory runs on Web, Mobile. Segment runs on Web, API.
Can I use FullStory for free?
Both have a free tier, so you can try either at no cost before committing.
What is FullStory best used for?
FullStory is most often used for user experience analysis, bug reproduction, conversion optimization, customer support. Of those, user experience analysis and bug reproduction are not what Segment is typically brought in for.
What can FullStory do that Segment cannot?
FullStory covers Session replay, Heatmaps, Conversion funnels, User journey mapping. Segment covers Data collection, Data routing, Data warehouse, Identity resolution. Both handle Slack, Google Analytics, Salesforce, Intercom.

Answered from the vendors’ own pages

FullStory: What does FullStory's free tier include?

30,000 sessions per month, 10 user seats, 5,000 server-side events per month, 1 year of session replay retention, and 1 year of product analytics retention. Session capture pauses when you exceed the monthly limit, though existing sessions remain accessible.

Source
Segment: Does Segment have a free plan?

Segment uses a freemium model with 10K users included free. Additional users require paid plans based on monthly active users (MTUs), calculated as monthly active users plus anonymous visitors per month.

Source
FullStory: What features are excluded from the free plan?

Dashboards, configurable form privacy, Go-Live functionality, Streams, client-side rate hooks, mobile app analytics, and StoryAI are not available on the free tier. Email support is also unavailable; only community-based help is provided.

Source
Segment: What is Segment's pricing based on?

Segment pricing is based on monthly active users (MTU), which equals your monthly active users plus anonymous visitors. Pricing is customized; contact sales for specific quotes.

Source
FullStory: Can I use a personal email to sign up for FullStory's free plan?

No. FullStory requires a business email domain for signup; personal email services like Gmail cannot be used for free plan registration.

Source
Segment: What is the difference between Customer Data Pipeline and Customer Data Platform?

Pipeline (Business) focuses on data collection and delivery to 700+ destinations. CDP includes Pipeline plus Unify for unified profiles and Engage for audience orchestration with AI capabilities.

Source
FullStory: How does FullStory integrate with Slack?

FullStory's Slack integration allows individual users to send noteworthy sessions to Slack channels. Advanced and Enterprise plans can configure Alerts to receive notifications in Slack when user metrics exceed defined thresholds.

Source
Segment: How many integrations does Segment have?

Segment connects to over 700 destinations, allowing data to be sent to analytics platforms, data warehouses, CRMs, and other business tools.

Source
FullStory: What analytics platforms does FullStory integrate with?

FullStory integrates with Segment, Mixpanel, Adobe Analytics, Google Analytics, Salesforce, HubSpot, and others. These integrations allow you to attach FullStory session URLs to events in your analytics platform for cross-platform correlation.

Source
Segment: Does Segment have SSO and HIPAA compliance?

Yes. Both Pipeline and CDP tiers offer multi-factor authentication, single sign-on (SSO), and HIPAA eligibility for healthcare organizations.

Source
Share

Related pages

More on FullStory

More on Segment

Keep looking

Other head to heads