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Customer.ioSends automated messages by email, push, SMS, in-app and webhook based on what each customer does in your product. LoopsSends marketing, product lifecycle and transactional email for SaaS teams from one place.

Customer.io vs Loops

A plain comparison: who each tool is for, where each one breaks, and when neither is the answer. No affiliate links.

Who this is for

SaaS teams setting up onboarding and lifecycle messages, choosing between a multichannel platform and a simple email tool.

Side by side

Customer.io and Loops, compared
Compared onCustomer.ioLoops
What it is forAutomated messages by email, push, SMS, in-app and webhook, based on what customers do.Marketing, product lifecycle and transactional email for SaaS teams.
Starting price (checked 2026-10-09)$100/month (Essentials, billed monthly, 5,000 profiles).Free up to 1,000 subscribed contacts; paid price not public.
ChannelsEmail, push, SMS, in-app and webhooks.Email only.
Pricing modelMaximum profiles in the account; overage $0.009 per profile and $0.12 per 1,000 emails.Subscribed contacts, not sends; transactional email included on paid plans; no per-seat charges.
Where it breaksYou pay for inactive contacts too; reviewers say the interface is overwhelming at first.Free plan stops at 4,000 sends per rolling 30 days and adds Loops branding.
SetupNeeds a developer.Low-code.
A custom build beats it whenYou send a few fixed lifecycle emails; a cron job plus a transactional email API is cheaper.You send only a couple of transactional emails; a raw email API is enough.

The verdict

Both send lifecycle email triggered by what customers do, and both price by contacts. Customer.io covers email, push, SMS, in-app and webhooks, models accounts as well as people, and starts at $100 a month for 5,000 profiles, but it bills on the maximum profiles in the account, works best with clean event data and a developer, and reviewers find the interface overwhelming at first. Loops is email only, with marketing, product and transactional email in one place, a free plan for 1,000 subscribed contacts, no per-seat charges and integrations for Stripe, Supabase and Clerk, but its paid prices are not listed.

Pick Customer.io if you need several channels and detailed targeting; pick Loops if email is enough and you want it running in an afternoon.

Read the full take on each

Customer.ioGood at, breaks when, priceLoopsGood at, breaks when, price

Sources

  1. customer.io/pricing
  2. docs.customer.io/
  3. capterra.com/p/174023/Customer-io/reviews/
  4. loops.so/pricing
  5. loops.so/
  6. loops.so/docs

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Who runs this shop

Kratuva makes AI-first software. Our first product is Ruam, for teams that work apart. It shows how the working day went without screenshots or keystroke logging. Join the Ruam waitlist.

Occasionally we build with teams we like. Say hi: indra@kratuva.com.

Checked 9 Oct 2026

Every price and claim links to its source. Prices change often, so check the vendor's page before you buy. No affiliate links: nobody paid to be here. Logos belong to their owners and are shown only to name each tool, not as an endorsement.