Notion vs Customer.io: which is cheaper?

Notion starts at $10/mo, while Customer.io starts at an unpublished tier. TrackRival snapshots both daily as plan pages change.

Does Notion or Customer.io have a free plan?

Notion shows a free plan in the latest snapshot, while Customer.io does not.

Is Notion a good project-management alternative to Customer.io?

Notion is tracked in project management, while Customer.io overlaps for similar buyers. Use the changelog section below to compare shipping cadence before you choose.

How often is this Notion vs Customer.io comparison updated?

TrackRival refreshes pricing snapshots daily and appends new changelog entries whenever either product ships a release.

Notion vs Customer.io

A side-by-side comparison of pricing, plans, and recent product updates. Pricing data last refreshed May 15, 2026.

Notion

One workspace. Every team.

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Category: project management
Plans tracked: 4
Entry price: $10/mo
Free plan?: Yes

See full Notion pricing & changelog →

Customer.io

Messaging automation for lifecycle and product email.

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Category: email
Plans tracked: —
Entry price: —
Free plan?: —

See full Customer.io pricing & changelog →

Plan-by-plan pricing

Notion

Free

Notion

Free

Trial of Notion AI
Basic forms
Basic sites
Notion Calendar
Notion Mail (Syncs with Gmail)
+ 1 more

Plus

Notion

$10/mo

Everything in Free
Trial of Notion AI
Custom forms
Custom sites
Unlimited charts
+ 1 more

Business

Notion

$20/mo

Everything in Plus
Notion Agent
AI Meeting Notes
Enterprise Search
SAML SSO
+ 1 more

Enterprise

Notion

Custom

Everything in Business
Zero data retention with LLM providers
User provisioning (SCIM)
Advanced security & controls
Audit log
+ 1 more

Customer.io

Pricing data is being collected.