Customer.io vs Flodesk
Side-by-side plans, pricing, and feature gates for Customer.io and Flodesk, verified . Customer.io is primarily marketing automation; Flodesk 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
Flodesk
- Free
Unlimited active subscribers, no trial gate
Free - Lite
Up to 25,000 subscribers, unlimited sends, 1 seat
$25/mo - Pro
Most popular: unlimited workflows, 2 seats, advanced analytics
$28/mo - Everything
Email plus integrated checkouts, sales pages, and subscriptions
$54/mo
Limits at the entry paid tier
Compares Essentials (Customer.io) against Lite (Flodesk). Both are the lowest-priced non-free, non-custom plan on each side.
| Limit | Customer.io | Flodesk |
|---|---|---|
| Contacts | 5,000 profiles (people plus objects) | 25,000 subscribers |
| Emails / month | 1,000,000 | · |
| Team seats | 1 | 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 Flodesk wins
- Visual creators (designers, course creators, photographers) who care about how emails look
- Solo operators who value templates and speed over deep automation
- Brands prioritizing aesthetics over data and behavioral targeting
Where Flodesk is the wrong fit
- Teams needing deep behavioral automation (use ActiveCampaign or Customer.io)
- B2B sales orgs (use HubSpot or Pipedrive)
- High-volume senders who would hit the 255,000 subscriber cap
Common questions
- Is Customer.io cheaper than Flodesk?
- At the entry tier, Flodesk starts at Free versus Customer.io at $100/mo. Flodesk is cheaper at the entry. Pricing scales differently above that, so check the full plan grid.
- Does Customer.io or Flodesk have a free plan?
- Only Flodesk has a permanent free plan. Customer.io only offers a free trial.
- Are Customer.io and Flodesk in the same category?
- No. Customer.io is primarily a marketing automation tool; Flodesk 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 Flodesk?
- Flodesk ships 4 plans; Customer.io ships 3. Flodesk'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 Flodesk?
- Each tool has a dedicated alternatives page on TierGauge with ranked options and verified pricing: /alternatives/customer-io for Customer.io and /alternatives/flodesk for Flodesk. Alternatives are derived from each tool's editor-flagged competitors plus same-category tools we track.
Customer.io: https://customer.io/pricing/ · Flodesk: https://flodesk.com/pricing
Last verified . Pricing changes between refreshes; confirm at the vendor before purchasing.