Customer.io vs Omnisend
Side-by-side plans, pricing, and feature gates for Customer.io and Omnisend, verified . Customer.io is primarily marketing automation; Omnisend is primarily email marketing.
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.
Customer.io
- Essentials
Entry tier with the visual workflow builder
$100/mo - Premium
Custom volume, HIPAA available, daily routines
$1,000/mo - Enterprise
Best volume pricing with dedicated infrastructure
Custom
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
Limits at the entry paid tier
Compares Essentials (Customer.io) against Standard (Omnisend). Both are the lowest-priced non-free, non-custom plan on each side.
| Limit | Customer.io | Omnisend |
|---|---|---|
| Contacts | 5,000 profiles (people plus objects) | 500 contacts |
| Emails / month | 1,000,000 | 6,000 sends |
| Team seats | 1 | · |
When Customer.io wins
- B2C and B2B teams with custom objects in their data model (accounts, subscriptions, devices) who need messaging tied to those entities
- Product-led businesses sending behavior-triggered lifecycle messaging across email, SMS, and push
- Teams needing HIPAA compliance for healthcare or digital-health workflows
Where Customer.io is the wrong fit
- Solo creators and newsletter operators (Kit or beehiiv are the right shape)
- Small businesses that need a $0/month or $20/month entry point (MailerLite or Mailchimp Free fit better)
- Teams that want a one-click WYSIWYG email tool with no data modeling required
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)
Common questions
- Is Customer.io cheaper than Omnisend?
- At the entry tier, Omnisend starts at Free versus Customer.io at $100/mo. Omnisend is cheaper at the entry. Pricing scales differently above that, so check the full plan grid.
- Does Customer.io or Omnisend have a free plan?
- Only Omnisend has a permanent free plan. Customer.io only offers a free trial.
- Are Customer.io and Omnisend in the same category?
- No. Customer.io is primarily a marketing automation tool; Omnisend is primarily a email marketing 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, Customer.io or Omnisend?
- Omnisend ships 4 plans; Customer.io ships 3. Omnisend's longer ladder gives more granular upgrade steps, which can mean smoother price escalation as your team scales.
- Where can I see alternatives to Customer.io or Omnisend?
- Each tool has a dedicated alternatives page on TierGauge with ranked options and verified pricing: /alternatives/customer-io for Customer.io and /alternatives/omnisend for Omnisend. Alternatives are derived from each tool's editor-flagged competitors plus same-category tools we track.
Customer.io: https://customer.io/pricing/ · Omnisend: https://www.omnisend.com/pricing/
Last verified . Pricing changes between refreshes; confirm at the vendor before purchasing.