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Home/Compare/SendGrid vs Customer.io

SendGrid vs Customer.io

A side-by-side comparison of pricing, plans, and recent product updates. Pricing data syncs daily once the product launches.

SendGrid

Email API and deliverability tooling at scale.

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Category
email
Plans tracked
—
Entry price
—
Free plan?
—
See full SendGrid pricing & changelog →

Customer.io

Messaging automation for lifecycle and product email.

Visit →
Category
email
Plans tracked
—
Entry price
—
Free plan?
—
See full Customer.io pricing & changelog →

Plan-by-plan pricing

SendGrid

Pricing data is being collected.

Customer.io

Pricing data is being collected.

SendGrid vs Customer.io FAQ

SendGrid vs Customer.io: which is cheaper?
TrackRival snapshots both daily - see the plan tables above for the latest tracked tiers.
Does SendGrid or Customer.io have a free plan?
Neither SendGrid nor Customer.io shows a free plan in the latest snapshot.
Is SendGrid a good email alternative to Customer.io?
SendGrid and Customer.io are both tracked in TrackRival's email category. Use the changelog section below to compare shipping cadence, not just headline pricing.
How often is this SendGrid vs Customer.io comparison updated?
TrackRival refreshes pricing snapshots daily and appends new changelog entries whenever either product ships a release.

Which should you pick?

Both SendGrid and Customer.io compete in the email space.

  • Choose SendGrid if you value: email api and deliverability tooling at scale.
  • Choose Customer.io if you value: messaging automation for lifecycle and product email.
  • Subscribe to TrackRival if you want to be notified whenever either of them changes pricing or ships a major update — so you can react before your competitors do.

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