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Email Marketing

Customer.io vs SendGrid: Pricing Comparison 2026

Side-by-side pricing comparison of Customer.io and SendGrid. See all plans, features, and costs at a glance.

Bottom line: SendGrid starts at $19.95/mo, making it $80/mo cheaper than Customer.io ($100/mo). SendGrid offers a free plan.

Last updated: July 27, 2026

Data compiled by Arthur Jacquemin
Updated July 27, 2026
Try Customer.io freeTry SendGrid freePrice updated 6d ago
Best Value

SendGrid - SendGrid offers a free plan, starts at $80.05/mo lower ($19.95/mo vs $100/mo), offers 4 tiers vs 3.

Customer.io vs SendGrid: Quick Pricing Facts

FeatureCustomer.ioSendGrid
Starting Price$100/mo$19.95/mo
Number of Plans34
Free TierNoYes
Pricing Modelusage-basedusage-based
Annual DiscountN/AN/A

SendGrid is the more affordable option, starting at $19.95/mo compared to Customer.io's $100/mo. Both are Email Marketing tools with 7 combined pricing plans and 16 features compared.

SendGrid stands out with a free plan for getting started.

Review the detailed tier-by-tier comparison above to see exactly which features are included at each price point and find the best fit for your Email Marketing needs.

Pricing Plans
Customer.io
Customer.io
Try free
SendGrid
SendGrid
Try free
Tier 1
Essentials
$100/month
Start with Essentials
Free Trial
$0/monthCheapest
Includes
  • Additional teammates: 1
  • Event webhook: 1
  • Email validation: 0
  • Dynamic templates: Editor
Start with Free Trial
Tier 2
Premium
$1000/month
Start with Premium
Essentials
$20/monthCheapest
Includes
  • Additional teammates: 1
  • Event webhook: 2
  • Email validation: 0
  • Dynamic templates: Editor
Start with Essentials
Tier 3
Enterprise
Custom pricing
Start with Enterprise
Pro
$90/monthCheapest
Includes
  • Additional teammates: 1,000
  • Event webhook: 5
  • Email validation: 2,500
  • Dynamic templates: Editor and testing
Start with Pro
Tier 4
-
Premier
Custom pricing
Includes
  • Additional teammates: 1,000
  • Event webhook: 5
  • Email validation: 5,000
  • Dynamic templates: Editor and testing
Start with Premier

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Customer.io

Automated messaging platform for targeted customer engagement

View all Customer.io plans

SendGrid

Cloud-based email delivery and marketing campaigns platform

View all SendGrid plans

Frequently Asked Questions: Customer.io vs SendGrid

Which is cheaper, Customer.io or SendGrid?
As of August 2026, SendGrid starts at a lower price point. Customer.io starts at $100/mo while SendGrid starts at $19.95/mo. However, the best value depends on the features you need at each tier.
How many pricing plans does Customer.io have vs SendGrid?
Customer.io offers 3 pricing plans, while SendGrid offers 4 plans. More plans typically means more flexibility to match your exact needs and budget.
Does Customer.io or SendGrid offer a free plan?
SendGrid offers a free plan, while Customer.io does not. If budget is a concern, SendGrid lets you get started at no cost.
Does Customer.io or SendGrid offer custom enterprise pricing?
Yes, both Customer.io and SendGrid offer custom enterprise pricing tiers with quote-based pricing. Contact each vendor for a tailored quote.
How do Customer.io and SendGrid compare for Email Marketing?
Both Customer.io and SendGrid are Email Marketing tools. Customer.io offers 3 plans starting at $100/mo, while SendGrid offers 4 plans starting at $19.95/mo. Review the feature breakdowns above to see which better fits your Email Marketing needs.
AI Recommendations

Sources

  1. Customer.io Official Pricing- Vendor pricing page
  2. SendGrid Official Pricing- Vendor pricing page

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