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Email Marketing Comparison

Omnisend vs. Twilio SendGrid

At a glance

At a glance

Omnisend

Best for

Best for ecommerce stores that want email, SMS and web push in one platform, with ready integrations for Shopify, BigCommerce and WooCommerce.

  • Small and mid-sized
  • Enterprise

Twilio SendGrid

Best for

Best for product and engineering teams that need transactional email at volume and want marketing campaigns on the same account.

  • Freelancers
  • Small and mid-sized
  • Enterprise

Cataleo does not name a winner. Both statements come from the vendors themselves.

Full Comparison

Criterion Omnisend Twilio SendGrid
Starting price From $16 / month Standard plan for up to 500 contacts, billed monthly; the price scales with the number of contacts. A free plan is also available. lower value From $15 / month Marketing Campaigns Basic starts at $15 per month, the Email API Essentials plan at $19.95 per month. Both scale in bands by contact count and monthly email volume.
Free trial Free plan for up to 250 contacts and 500 emails per month 60-day free trial, 100 emails per day and 100 contacts
API Yes, API access on all plans Yes, REST API and SMTP relay with SDKs for Python, Ruby, Go, PHP, Java, C# and JavaScript, plus event webhooks
Hosting Cloud (SaaS) Cloud (SaaS)
Campaign types Yes, email campaigns, SMS and MMS, and web push notifications Email only, split between transactional sending through the Email API and marketing sends through Marketing Campaigns
Automation and journeys Yes, automation workflows across email, SMS and push Yes, automated recurring emails and time-based drip series, available on the Marketing Campaigns Advanced plan
Segmentation and personalisation Yes, unlimited segmentation and contact profiles on all plans Yes, dynamic segments over contact lists with custom fields and opt-out preference management
Templates and editor Yes, a drag-and-drop editor with email templates Yes, a drag-and-drop design editor and a custom HTML editor, with a library of free responsive templates
Deliverability and testing Yes, A/B testing on all plans Yes, inbox rendering previews, spam testing and link validation, plus dedicated IPs, domain authentication and SPF, DKIM and DMARC
Ecommerce and CRM data Yes, ecommerce integrations for Shopify, BigCommerce, WooCommerce, WordPress and Wix Contact lists with custom fields, and signup forms that add subscribers to those lists in real time through the API
Integrations and API Yes, API access on all plans Yes, REST API and SMTP relay, SDKs for seven languages and event webhooks for real-time delivery events
Deployment Cloud (SaaS), Browser-based Cloud (SaaS), Browser-based
Support Not stated Email helpdesk, Chat, Phone
Onboarding Not stated Documentation and knowledge base, Guided onboarding
Company size Small and mid-sized, Enterprise more entries Freelancers, Small and mid-sized, Enterprise

Compare more tools

Row where the values differ The small markers point at the lower number, the longer list or the stated feature. They describe the data, they are not a verdict.

The short version

Key Differences

  • Starting price Omnisend From $16 / month Twilio SendGrid From $15 / month
  • Free trial Omnisend Free plan for up to 250 contacts and 500 emails per month Twilio SendGrid 60-day free trial, 100 emails per day and 100 contacts
  • Company size Omnisend Small and mid-sized, Enterprise Twilio SendGrid Freelancers, Small and mid-sized, Enterprise
  • API Omnisend Yes, API access on all plans Twilio SendGrid Yes, REST API and SMTP relay with SDKs for Python, Ruby, Go, PHP, Java, C# and JavaScript, plus event webhooks
  • Campaign types Omnisend Yes, email campaigns, SMS and MMS, and web push notifications Twilio SendGrid Email only, split between transactional sending through the Email API and marketing sends through Marketing Campaigns

Every line is one datapoint from the table above, picked automatically. Nothing here is written text.

The trade-offs

Strengths and Limitations

Omnisend

Strengths

  • Email, SMS and web push in one platform
  • Unlimited segmentation and API access on all plans
  • Ready ecommerce integrations for Shopify, BigCommerce and WooCommerce
  • Free plan for up to 250 contacts

Limitations

  • Pricing scales with the number of contacts
  • SMS is charged separately, from $0.007 per message
  • Free and Standard plans cap monthly email sends

Twilio SendGrid

Strengths

  • Transactional and marketing email on one account, so both build the same sender reputation
  • Deliverability tooling included: dedicated IPs, domain authentication, SPF, DKIM and DMARC, plus inbox rendering and spam tests
  • SDKs for Python, Ruby, Go, PHP, Java, C# and JavaScript, alongside SMTP relay and event webhooks
  • Real-time and bulk email address validation

Limitations

  • Email only, other channels mean buying a separate Twilio product
  • Automation in Marketing Campaigns requires the Advanced plan
  • The free offering is a 60-day trial, not a standing free tier
  • Two separate price ladders to compare, one per product

Plans

Pricing

Omnisend

  • Free $0 / month Up to 250 contacts, 500 emails per month and 500 web push notifications, with all features.
  • Standard From $16 / month Up to 6,000 emails per month for 500 contacts; adds email support. Scales with the number of contacts.
  • Pro From $59 / month Unlimited emails, advanced reporting and no Omnisend branding; SMS from $0.007 per message. Scales with the number of contacts.
  • Custom Not stated Custom pricing for businesses with 150,000+ contacts, with a dedicated account expert.
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Twilio SendGrid

  • Free trial $0 60 days. 100 emails per day and 100 contacts, with analytics and deliverability optimisation.
  • Email API Essentials $19.95 Per month, from 50,000 emails. Analytics, deliverability optimisation, one additional teammate and up to two event webhooks.
  • Email API Pro $89.95 Per month, from 100,000 emails and up to 2.5 million. Dedicated IP, subuser management, SSO, five event webhooks and included email validations.
  • Email API Premier Not stated Custom pricing for volumes above 5 million emails per month, with dedicated support.
  • Marketing Campaigns Basic $15 Per month, from 5,000 contacts and 15,000 emails. Ten email testing credits, five signup forms, ticket, chat and phone support.
  • Marketing Campaigns Advanced $60 Per month, from 10,000 contacts and 50,000 emails. Adds automation, dedicated IP access, 60 email testing credits and 15 signup forms.
  • Marketing Campaigns Custom Not stated Negotiated with sales for volumes above the Advanced plan.
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What users say

Review Scores · opens after launch

Omnisend

Ease of use
Not rated yet
User interface
Not rated yet
Onboarding
Not rated yet
Support and service
Not rated yet
Value for money
Not rated yet
Features
Not rated yet

No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.

Twilio SendGrid

Ease of use
Not rated yet
User interface
Not rated yet
Onboarding
Not rated yet
Support and service
Not rated yet
Value for money
Not rated yet
Features
Not rated yet

No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.

Where this comes from

Where this comes from

Omnisend https://www.omnisend.com · checked against the official source on 2026-08-20

Twilio SendGrid https://www.twilio.com/en-us/sendgrid · checked against the official source on 2026-09-07

This table lists factual criteria taken from information the vendors publish themselves. For how we put it together, see the methodology.