Best for
Best for product-led SaaS teams that trigger lifecycle messaging from event data and want the whole platform available over an API.
- Small and mid-sized
- Enterprise
Email Marketing Comparison
Customer.io vs. Drip
At a glance
At a glance
Best for
Best for ecommerce and direct-to-consumer brands on Shopify, WooCommerce or BigCommerce that want behavior-based email automation with onsite popups in one platform.
- Small and mid-sized
- Enterprise
Cataleo does not name a winner. Both statements come from the vendors themselves.
Full Comparison
| Criterion | Customer.io | Drip |
|---|---|---|
| Starting price | From $100 / month Essentials, billed monthly, for 5,000 profiles and 1 million emails a month. Premium starts at $1,000 a month and is billed yearly; Enterprise is quoted. Extra usage costs $0.009 per profile, $0.12 per 1,000 emails and $10 per 100,000 AI credits. | lower value From $39 / month For up to 2,500 active people; the price scales with the number of active people and the volume of emails sent. |
| Free trial | Startup Program gives early-stage companies that have raised under $10M a full year free | 14-day free trial |
| API | Yes, the Journeys UI API and CDP Data Pipelines API, plus a CLI, webhooks, mobile SDKs and an official MCP server | Yes, open API access on every plan |
| Hosting | Cloud (SaaS), with US and EU endpoints | Cloud (SaaS) |
| Made in | United States | Not stated |
| Campaign types | Yes, email, SMS, push, in-app messages, WhatsApp, LINE, webhooks and Slack, plus transactional messages | Yes, one-off email campaigns and newsletters plus automated workflows, with an onsite suite of popups, slide-ins, sticky bars and quizzes |
| Automation and journeys | Yes, a visual workflow builder with branching logic, triggered by segment, event, form, relationship, date or webhook | Yes, a visual workflow builder with branching logic, goals and split tests, and 15-plus prebuilt templates for abandoned cart, browse abandonment, welcome and win-back |
| Segmentation and personalisation | Yes, Audiences segments on customer profiles, events, account relationships and real-time data | Yes, dynamic segments that update automatically from behavior, purchase history and engagement, synced from the store in real time |
| Templates and editor | Yes, Design Studio for creating messages at scale | Yes, a drag-and-drop visual email builder with 50-plus themed templates, plus a plain-text builder |
| Deliverability and testing | A/B and multivariate testing, conversion tracking, send-time optimisation and email content analysis on every plan; managed deliverability from the Premium plan | Yes, A/B split testing of up to four subject line or content variations, reporting opens, clicks and revenue per variation |
| Ecommerce and CRM data | Yes, CDP Data Pipelines unify customer data and apps, with object types alongside people for accounts and other non-person records | Yes, deep native Shopify, WooCommerce and BigCommerce integrations that sync customers, orders and product catalog in real time |
| Integrations and API | Yes, the Journeys UI API and CDP Data Pipelines API, plus a CLI, webhooks, mobile SDKs for iOS, Android, React Native, Flutter and Expo, and an official MCP server | Yes, open API access and 50-plus integrations on every plan |
| AI features | stated Yes | No |
| MCP-ready | stated Yes | No |
| Deployment | Cloud (SaaS), Browser-based | Cloud (SaaS), Browser-based |
| Support | more entries Email helpdesk, Chat, Community forum | Email helpdesk, Chat |
| Onboarding | Documentation and knowledge base, Guided onboarding | Not stated |
| Company size | Small and mid-sized, Enterprise | Small and mid-sized, Enterprise |
| Integrations | Not stated | Shopify, WooCommerce, BigCommerce |
Add a tool
Adds a column to the table, from the tools in this category.
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 Customer.io From $100 / month Drip From $39 / month
- Free trial Customer.io Startup Program gives early-stage companies that have raised under $10M a full year free Drip 14-day free trial
- Hosting Customer.io Cloud (SaaS), with US and EU endpoints Drip Cloud (SaaS)
- Support Customer.io Email helpdesk, Chat, Community forum Drip Email helpdesk, Chat
- AI features Customer.io Yes Drip No
Every line is one datapoint from the table above, picked automatically. Nothing here is written text.
The trade-offs
Strengths and Limitations
Customer.io
Strengths
- Journeys triggered by product events, forms, relationships, dates or webhooks
- Official MCP server exposing the full Journeys UI and CDP Data Pipelines APIs, on US and EU endpoints
- LLM actions inside a workflow generate data and personalise content at send time
- Startup Program gives early-stage companies a full year free
Limitations
- Only Essentials publishes its volumes; Premium names a starting figure but quotes profiles and emails individually
- Billing counts objects as well as people towards the profile total
- Object types are capped per plan, at two on Essentials and ten on Premium
- Daily Routines, premium chat support and HIPAA compliance start at the Premium plan
Drip
Strengths
- Every feature included on every plan, with nothing locked behind higher tiers
- Deep native Shopify, WooCommerce and BigCommerce integrations with real-time data sync
- Onsite suite of popups, slide-ins and quizzes included at no extra cost
- Billed only on active people who can receive email
Limitations
- No free plan, only a 14-day free trial
- Purpose-built for ecommerce, so less suited to non-store senders
- Live chat support is reserved for the $99 / month and higher plans
Plans
Pricing
Customer.io
- Essentials $100 Per month, billed monthly. 5,000 profiles (people and objects), 1 million emails a month, 2 object types, 2 workspaces, email and community support, basic data integrations.
- Premium $1,000 Per month, billed yearly, as a starting figure. Custom profile and email volumes, 10 object types, elevated AI Agent limits with custom skills, Daily Routines, premium chat and email support, 90-day onboarding support, premium data integrations and HIPAA compliance.
- Enterprise Not stated Quoted. Dedicated infrastructure and hardware, custom AI Agent limits, priority technical support, migration support, a dedicated Customer Success Manager and Technical Implementation Specialist, a shared Slack channel, audit logging and data governance.
Drip
- All features From $39 / month For up to 2,500 active people. Every feature is included on every plan; the price scales with the number of active people and email volume. Live chat support is available on the $99 / month and higher plans.
What users say
Review Scores · opens after launch
Customer.io
- 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.
Drip
- 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
Customer.io https://customer.io · checked against the official source on 2026-09-03
Drip https://www.drip.com · checked against the official source on 2026-08-23
This table lists factual criteria taken from information the vendors publish themselves. For how we put it together, see the methodology.