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Technology · head to head

PostHog vs Twilio

PostHog logo

PostHog

Technology

The single platform to analyze, test, observe, and deploy new features

From
Free
Rated
-
Full reviewWebsite
Twilio logo

Twilio

Telecommunications

Cloud communications platform for SMS, voice, and video

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: PostHog the free tier covers 1M events, 5K web session recordings and 2.5K mobile recordings per month before usage-based billing starts; Twilio pricing becomes unpredictable with carrier fees and additional charges for compliance, recordings, and phone number rentals
  • They diverge on capability: PostHog covers Product analytics, Twilio covers SMS messaging.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which PostHog and Twilio actually diverge.

Attributes where PostHog and Twilio differ
AttributePostHogTwilio
Pricing modelusage-basedUnknown
PlatformsWeb, Ios, Android, ApiWeb, APIs, Python, JavaScript, Ruby, Java, PHP, C#
CategoryTechnologyTelecommunications
Founded20202008

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 PostHog

  • Product analytics
  • Session recording
  • Feature flags
  • A/B testing
  • Heatmaps
  • SQL access
  • Data warehouse
  • Apps platform

Only in Twilio

  • SMS messaging
  • Voice calls
  • Video conferencing
  • Programmable communication
  • Salesforce
  • HubSpot
  • Web support
  • Mobile support

Both cover

  • Slack
  • Zapier

What people use each for

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

PostHog

  • Product analyticsnot Twilio
  • Feature experimentationnot Twilio
  • User behavior trackingnot Twilio
  • A/B testingnot Twilio
  • Debug production issuesnot Twilio

Twilio

  • Customer engagementnot PostHog
  • Lead generationnot PostHog
  • Customer supportnot PostHog
  • Sales automationnot PostHog

Where each one falls short

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

PostHog

  • The free tier covers 1M events, 5K web session recordings and 2.5K mobile recordings per month before usage-based billing starts
  • Accounts without a card on file are limited to 1 project; adding one raises it to 6
  • Data retention is 1 year until a card is added, which extends it to 7 years
  • Support is community-only until the account is on a paid plan
  • Error tracking is capped at 100K exceptions and surveys at 1500 responses per month on the free tier

Twilio

  • Pricing becomes unpredictable with carrier fees and additional charges for compliance, recordings, and phone number rentals
  • Phone number rentals are required for every number used, with carrier fees varying by region and billed separately
  • Dashboard is not optimized for mobile use and logs are difficult to access

Pricing, plan by plan

PostHog

Free
  • FreeFree
    • 1M events/month
    • 5K sessions/month
    • Unlimited users
  • Paid$undefined/month
    • $0.00031/event
    • $0.005/session
    • Advanced permissions
  • Enterprise$undefined/month
    • SAML SSO
    • Advanced security
    • Dedicated support

Twilio

Free
  • Pay-as-You-Go$undefined/mo
    • Usage-based pricing
    • No monthly minimum
    • SMS, voice, video, messaging

Which should you pick?

Choose PostHog if

  • You need product analytics.
  • You want to start without paying.
  • You work on Web, Ios, Android, Api.
  • You also want session recording.
PostHog review

Choose Twilio if

  • You need sms messaging.
  • You want to start without paying.
  • You work on Web, APIs, Python, JavaScript, Ruby, Java, PHP, C#.
  • You also want voice calls.
Twilio review

Questions people ask

Is PostHog or Twilio better?
Neither clearly leads. PostHog starts at Free and Twilio at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, PostHog or Twilio?
PostHog starts at Free and Twilio at Free.
Does PostHog or Twilio run on more platforms?
PostHog runs on Web, Ios, Android, Api. Twilio runs on Web, APIs, Python, JavaScript, Ruby, Java, PHP, C#.
Can I use PostHog for free?
Both have a free tier, so you can try either at no cost before committing.
What is PostHog best used for?
PostHog is most often used for product analytics, feature experimentation, user behavior tracking, a/b testing. Of those, product analytics and feature experimentation are not what Twilio is typically brought in for.
What can PostHog do that Twilio cannot?
PostHog covers Product analytics, Session recording, Feature flags, A/B testing. Twilio covers SMS messaging, Voice calls, Video conferencing, Programmable communication. Both handle Slack, Zapier.

Answered from the vendors’ own pages

PostHog: What does PostHog's free tier include per month?

PostHog free tier includes: 1M analytics events, 5K session replays, 1M feature flag requests, 100K error tracking exceptions, 1,500 survey responses, 1M data warehouse rows, 10K data pipeline events, 100K AI observability events, 500 PostHog AI credits, 10K workflow messages, and 10GB log ingestion. Source: https://posthog.com/pricing

Source
Twilio: What is Twilio's pricing model?

Twilio uses pay-as-you-go usage-based pricing with no monthly minimums or contracts. SMS costs $0.0083 per US message, voice calls cost $0.014 per minute, phone numbers cost $1.15 per month.

Source
PostHog: How much data retention does PostHog provide on paid plans?

PostHog free tier provides 1-year data retention. Pay-as-you-go plans offer 7-year data retention across all projects, enabling longer historical analysis. Source: https://posthog.com/pricing

Source
Twilio: Does Twilio offer a free tier?

Yes, Twilio offers a free trial indefinitely with no credit card required for limited usage, plus a 7-14 day free trial period on paid plans.

Source
PostHog: What percentage of PostHog users stay on the free tier?

PostHog states that 97% of companies use PostHog for free, indicating extensive free tier adoption. However, specific per-unit pricing rates for overages on paid plans are not published. Source: https://posthog.com/pricing

Source
Twilio: What communication channels does Twilio support?

Twilio supports SMS, WhatsApp, RCS, MMS for messaging; Voice API and SIP Trunking for voice; Email via Twilio SendGrid; Video API; and Chat via Conversations API.

Source
PostHog: When does PostHog provide priority support on paid plans?

PostHog provides email or Slack support for accounts exceeding $2,000/month on pay-as-you-go plans. Specific response times and support SLAs are not detailed on their pricing page. Source: https://posthog.com/pricing

Source
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