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Omnisend vs PostHog

Side-by-side plans, pricing, and feature gates for Omnisend and PostHog, verified . Omnisend is primarily email marketing; PostHog is primarily analytics.

Omnisend

Starting price
Free
Free plan
Yes
Free trial
·
Plans
4
Full Omnisend profile →

PostHog

Starting price
Free
Free plan
Yes
Free trial
·
Plans
4
Full PostHog profile →

Plans side by side

Every published plan from each vendor, with the headline monthly anchor price. Some prices scale with subscriber count or seats; full detail lives on each tool's page.

Omnisend

  • Free

    Up to 250 contacts, 500 sends/month

    Free
  • Standard

    Entry paid tier with advanced reporting

    $16/mo
  • Pro

    Unlimited email plus SMS credits equal to plan price

    $59/mo
  • Custom

    High-volume contacts with dedicated onboarding

    Custom

PostHog

  • Free + Pay-as-you-go

    Generous free tier across every product

    Free
  • Boost

    Add-on: Boost

    $250/mo
  • Scale

    Add-on: Scale

    $750/mo
  • Enterprise

    Add-on: Enterprise

    Custom

Limits at the entry paid tier

Compares Standard (Omnisend) against Boost (PostHog). Both are the lowest-priced non-free, non-custom plan on each side.

Limit Omnisend PostHog
Contacts 500 contacts ·
Emails / month 6,000 sends ·

When Omnisend wins

  • Small-to-mid Shopify or BigCommerce stores wanting one tool for email, SMS, and push
  • E-commerce founders running their own marketing without a dedicated team
  • Brands graduating from Mailchimp's e-commerce features

Where Omnisend is the wrong fit

  • B2B marketers (use ActiveCampaign or Customer.io)
  • Creators running pure newsletters (use Kit or beehiiv)
  • Large e-commerce operations needing custom data modeling (Klaviyo or Customer.io)

When PostHog wins

  • Technical product teams that want one tool covering analytics, experiments, replay, and surveys
  • Startups under 1M events per month, where the free tier covers the entire stack
  • Companies committed to open-source infrastructure who want the option to self-host

Where PostHog is the wrong fit

  • Marketing-only teams who need attribution and campaign analytics (Mixpanel or GA4 fit better)
  • Enterprises with strict procurement that requires a SaaS-only vendor with no self-hosted option in scope
  • Non-technical users who cannot navigate event-based analytics UIs and SQL-style insights

Common questions

Is Omnisend cheaper than PostHog?
Both Omnisend and PostHog have free or custom entry pricing, so a direct entry-tier price comparison is not meaningful.
Does Omnisend or PostHog have a free plan?
Both have free plans. Omnisend: Up to 250 contacts, 500 sends/month. PostHog: Generous free tier across every product.
Are Omnisend and PostHog in the same category?
No. Omnisend is primarily a email marketing tool; PostHog is primarily a analytics tool. They overlap on use case but sit in different primary categories, so the comparison is between adjacent tools rather than direct competitors.
Which has more plans, Omnisend or PostHog?
Both Omnisend and PostHog ship 4 plans. Tier counts match; the differentiation is in features and pricing structure rather than tier ladder depth.
Where can I see alternatives to Omnisend or PostHog?
Each tool has a dedicated alternatives page on TierGauge with ranked options and verified pricing: /alternatives/omnisend for Omnisend and /alternatives/posthog for PostHog. Alternatives are derived from each tool's editor-flagged competitors plus same-category tools we track.

Omnisend: https://www.omnisend.com/pricing/ · PostHog: https://posthog.com/pricing

Last verified . Pricing changes between refreshes; confirm at the vendor before purchasing.