Customer.io gives you a blank canvas and a journey builder. ConversionCRM ships with the whole signup-to-paid engine already built — scoring, lifecycle stages, and automated trial conversion emails that react to behavior, not timers.
Choose ConversionCRM if your goal is converting free users to paid and you want it working this week: 6-layer engagement scoring, automatic lifecycle stages, and 8 behavior-triggered emails out of the box. Choose Customer.io if you need a general-purpose, multi-channel messaging platform and have the time to design journeys, segments, and triggers yourself.
Customer.io can absolutely send behavior-based emails — after you define the segments, build the journeys, and wire up the triggers. ConversionCRM starts with all of that decided, because it only does one job: convert signups to paying users.
| ConversionCRM | Customer.io | |
|---|---|---|
| Core job | Signups → paid, prebuilt | General messaging automation |
| Engagement scoring (0–100) | ✓ | Build with computed attributes |
| Automatic lifecycle stages | ✓ | Segments you define yourself |
| Behavior-triggered emails | 8 prebuilt + composer | Yes — if you build the journeys |
| Buying-intent detection | ✓ | — |
| Live user dashboard with scores | ✓ | — |
| SMS, push & in-app channels | — | ✓ |
| Complex branching journeys | — | ✓ |
| Setup time | ~3 minutes | Days to weeks |
| Pricing | Free during beta | Scales with profile count |
In Customer.io, you design the map and users walk it. In ConversionCRM, every user is scored across six behavior layers every night (and live while the dashboard is open), assigned a lifecycle stage, and emailed only when their stage says it's the right moment — see the full walkthrough or watch the animated side-by-side.
For the trial-to-paid use case, yes — it replaces the journeys teams usually build in Customer.io for onboarding, upgrade nudges, and win-backs, and adds engagement scoring and lifecycle stages that Customer.io doesn't ship out of the box. It is not a replacement for Customer.io's multi-channel campaigns (SMS, push) or newsletter-style sends.
Customer.io triggers fire when a user enters a segment or matches an event you define, then walk a journey you designed. ConversionCRM recomputes a 6-layer engagement score from the last 7 days of behavior, assigns one of seven lifecycle stages (Signup, Onboarding, Active, Conversion ready, Going quiet, Churned, Paid), and each of the 8 automated emails is tied to a stage plus extra conditions — like a pricing visit before the urgency email. No journey design needed.
There's no importer needed for the common case: install the tracking widget, call identify() with your user emails, and scoring starts immediately from live behavior. Your historical Customer.io campaigns stay where they are; ConversionCRM builds its picture from what users do from day one of install.
Yes, and some teams should: keep Customer.io for newsletters, promos, and multi-channel campaigns, and let ConversionCRM own the product-led lifecycle — activation nudges, upgrade offers, and win-backs. Guardrails (one lifecycle email per user per batch, no emails to paying users) keep the combined volume sane.
ConversionCRM is free during beta with no credit card, and beta users keep founder pricing when paid plans launch. Customer.io's pricing scales with the number of profiles you store, which can grow quickly for products with lots of free signups — exactly the audience trial conversion software needs to watch.
Yes. Every email carries your sender name with replies going to your inbox, and you can deliver through ConversionCRM's infrastructure or bring your own SMTP (Gmail, Outlook, SES, anything) to send fully from your own domain. There's a one-click test send to verify your setup.
Install in 3 minutes. Your first behavior-triggered email can send tonight.
Free during beta · no credit card · 3-minute install