TL;DR verdict

Glean is the stronger choice when the deciding factor is analytics & tracking workflow fit, while Fathom Analytics has the clearer case when pricing shape, deployment control, or rollout risk matters more. For product and marketing teams, the practical decision is not feature count; it is which product better supports understanding user behavior, measuring campaign performance, and making data-driven decisions without forcing a costly migration six months later.

Quick comparison

FeatureGleanFathom Analytics
Starting price$10/mo$15/mo
Free planNoNo
Open sourceNoNo
Self-hostableNoNo
G2 ratingNot listedNot listed
Best foranalytics & tracking teams starting around $10/monthanalytics & tracking teams starting around $15/month
Starting pricePaid plans start at $10/month.Paid plans start at $15/month.
Free planNoNo
Open sourceNoNo
Self-hostableNoNo
Deployment modelsaassaas
Best foranalytics & tracking teams starting around $10/monthanalytics & tracking teams starting around $15/month
Primary riskPaid tiers may become expensive as seats, usage, or governance needs grow.Paid tiers may become expensive as seats, usage, or governance needs grow.

Event tracking and data model

Winner: Glean

Winner: Glean. For event tracking and data model, Glean is the safer default because its profile fits the way product and marketing teams evaluate this decision: workflow fit, rollout cost, ownership model, and time to value. Glean is positioned as enterprise ai search and knowledge discovery platform, while Fathom Analytics is positioned as privacy-first, simple analytics; that difference matters when the comparison moves from a feature checklist into daily operation. If your team is using this category for understanding user behavior, measuring campaign performance, and making data-driven decisions, test the winner against one production workflow and one admin task before committing. Fathom Analytics can still win when its ecosystem, contracts, or migration path reduces change management, but it requires a more deliberate rollout plan.

Dashboard and reporting depth

Winner: Fathom Analytics

Winner: Glean. For dashboard and reporting depth, Glean is the safer default because its profile fits the way product and marketing teams evaluate this decision: workflow fit, rollout cost, ownership model, and time to value. Glean is positioned as enterprise ai search and knowledge discovery platform, while Fathom Analytics is positioned as privacy-first, simple analytics; that difference matters when the comparison moves from a feature checklist into daily operation. If your team is using this category for understanding user behavior, measuring campaign performance, and making data-driven decisions, test the winner against one production workflow and one admin task before committing. Fathom Analytics can still win when its ecosystem, contracts, or migration path reduces change management, but it requires a more deliberate rollout plan. Adoption depends on who touches the system every week. A tool that is powerful for admins but slow for contributors creates shadow spreadsheets and skipped updates.

Privacy and GDPR compliance

Winner: Glean

Winner: Glean. For privacy and gdpr compliance, Glean is the safer default because its profile fits the way product and marketing teams evaluate this decision: workflow fit, rollout cost, ownership model, and time to value. Glean is positioned as enterprise ai search and knowledge discovery platform, while Fathom Analytics is positioned as privacy-first, simple analytics; that difference matters when the comparison moves from a feature checklist into daily operation. If your team is using this category for understanding user behavior, measuring campaign performance, and making data-driven decisions, test the winner against one production workflow and one admin task before committing. Fathom Analytics can still win when its ecosystem, contracts, or migration path reduces change management, but it requires a more deliberate rollout plan. Governance is where hidden costs surface. Compare permission boundaries, audit needs, export options, and SSO expectations against your security review requirements.

Funnel and retention analysis

Winner: Glean

Winner: Glean. For funnel and retention analysis, Glean is the safer default because its profile fits the way product and marketing teams evaluate this decision: workflow fit, rollout cost, ownership model, and time to value. Glean is positioned as enterprise ai search and knowledge discovery platform, while Fathom Analytics is positioned as privacy-first, simple analytics; that difference matters when the comparison moves from a feature checklist into daily operation. If your team is using this category for understanding user behavior, measuring campaign performance, and making data-driven decisions, test the winner against one production workflow and one admin task before committing. Fathom Analytics can still win when its ecosystem, contracts, or migration path reduces change management, but it requires a more deliberate rollout plan.

Integrations and data export

Winner: Glean

Winner: Glean. For integrations and data export, Glean is the safer default because its profile fits the way product and marketing teams evaluate this decision: workflow fit, rollout cost, ownership model, and time to value. Glean is positioned as enterprise ai search and knowledge discovery platform, while Fathom Analytics is positioned as privacy-first, simple analytics; that difference matters when the comparison moves from a feature checklist into daily operation. If your team is using this category for understanding user behavior, measuring campaign performance, and making data-driven decisions, test the winner against one production workflow and one admin task before committing. Fathom Analytics can still win when its ecosystem, contracts, or migration path reduces change management, but it requires a more deliberate rollout plan.

Pricing at traffic scale

Winner: Fathom Analytics

Winner: Glean. For pricing at traffic scale, Glean is the safer default because its profile fits the way product and marketing teams evaluate this decision: workflow fit, rollout cost, ownership model, and time to value. Glean is positioned as enterprise ai search and knowledge discovery platform, while Fathom Analytics is positioned as privacy-first, simple analytics; that difference matters when the comparison moves from a feature checklist into daily operation. If your team is using this category for understanding user behavior, measuring campaign performance, and making data-driven decisions, test the winner against one production workflow and one admin task before committing. Fathom Analytics can still win when its ecosystem, contracts, or migration path reduces change management, but it requires a more deliberate rollout plan. Model cost over twelve months, not from the first plan label. Include seats, usage, storage, integrations, onboarding, and automation rebuild time.

Pricing deep-dive

Glean

  • Free plan: not listed publicly.
  • Entry paid tier: starts at $10/month.
  • Pricing model: paid; license is proprietary; deployment type is saas.

Fathom Analytics

  • Free plan: not listed publicly.
  • Entry paid tier: starts at $15/month.
  • Pricing model: paid; license is proprietary; deployment type is saas.

Pricing verdict: Glean starts cheaper on entry price, but the real break point depends on seats and governance needs. Glean catalog: Free plan: not listed publicly. Entry paid tier: starts at $10/month. Pricing model: paid; license is proprietary; deployment type is saas. Fathom Analytics catalog: Free plan: not listed publicly. Entry paid tier: starts at $15/month. Pricing model: paid; license is proprietary; deployment type is saas. At scale, automation limits, security controls, and migration effort usually decide total cost.

How to migrate from Glean to Fathom Analytics

Data export
Export core analytics & tracking records from Glean: users, projects, configuration, history, files, and reports. Use CSV, JSON, or API export and keep a read-only archive until the new workflow has survived one full reporting cycle.
Import support
Use Fathom Analytics's native importer or API. Migrate a representative workspace first, including permissions, integrations, and one real production workflow, before moving the full account.
Does not migrate
Automations, saved reports, dashboards, custom roles, webhooks, notification settings, SSO configuration, and integration credentials typically need manual rebuilds.
Time estimate
Plan two to five days for a small team with simple configuration, one to three weeks for a mid-size team, and longer if compliance review, custom fields, or external users are involved.

What real users say

Glean: Glean users praise its fit as enterprise ai search and knowledge discovery platform. Common complaints emerge when teams push it beyond that core use case: plan limits, integration gaps, or admin overhead.

Fathom Analytics: Fathom Analytics users praise its fit as privacy-first, simple analytics. Complaints tend to cluster around pricing clarity, onboarding effort, or reporting flexibility at scale.

Sources: Pattern synthesized from catalog data, vendor positioning, and public review themes; verify on G2 or Capterra before quoting directly.

Final verdict

Choose Glean if...

  • Choose Glean if your team needs enterprise ai search and knowledge discovery platform and that matches the work done every week.
  • Choose Glean if its pricing model, deployment type, and governance profile are easier to approve than adapting Fathom Analytics.
  • Choose Glean if migration risk is lower because your current workflow, integrations, or team habits already resemble its defaults.

Choose Fathom Analytics if...

  • Choose Fathom Analytics if your team needs privacy-first, simple analytics and would otherwise customize Glean heavily to fit.
  • Choose Fathom Analytics if it gives product and marketing teams a clearer path for understanding user behavior, measuring campaign performance, and making data-driven decisions without adding admin work after launch.
  • Choose Fathom Analytics if its free plan, entry price, open-source status, or managed service model better fits your procurement constraints.

Consider neither if: Consider neither if you need a fundamentally different analytics & tracking model: open-source control when both are managed, or a specialist tool outside this category. Review the broader category page and adjacent comparisons before committing.