Employee Engagement · head to head
Assembly vs Customer.io

Assembly
Employee Engagement
Employee recognition platform for distributed teams
- From
- Free
- Rated
- -

Customer.io
Marketing
Data-driven messaging for teams getting started, scaling and beyond
- From
- On request
- Rated
- -
The short version
- Only Assembly has a free tier, so it costs nothing to try first.
- Each has a real cost: Assembly client counts are capped by tier, at 50 on Starter and 500 on Professional; Customer.io essentials plan caps at 5,000 profiles (people and objects) and 1,000,000 monthly emails, with overages billed at $0.12 per 1,000 emails beyond that
Where they differ
Only the attributes on which Assembly and Customer.io actually diverge.
| Attribute | Assembly | Customer.io |
|---|---|---|
| Starting price | Free | On request |
| Free tier | Yes | No |
| Category | Employee Engagement | Marketing |
| Founded | 2021 | Unknown |
Identical on both: pricing model (subscription), platforms (Web), user rating (Not yet rated).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Assembly
- Social recognition
- Rewards catalog
- Points system
- Mobile app
- Analytics
- Manager tools
- Customizable workflow
- Reporting
Only in Customer.io
Nothing recorded that Assembly does not also cover.
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Assembly
- Client counts are capped by tier, at 50 on Starter and 500 on Professional
- Automation tasks are metered, at 100 a month on Starter and 1,000 on Professional
- Extra internal users cost $29 each on Professional and $59 on Advanced, on top of the plan
- Full white-labelling requires Advanced at $499 a month and SSO is Enterprise only at $2,000
- The workspace locks when a trial lapses and the account may be deleted after 30 days
Customer.io
- Essentials plan caps at 5,000 profiles (people and objects) and 1,000,000 monthly emails, with overages billed at $0.12 per 1,000 emails beyond that
- Standard and Premium tiers show custom pricing only, and Enterprise is negotiated rate, so three of the four published tiers require a sales conversation
- Monthly plans accept credit card only; annual billing via invoice (ACH/wire) requires the annual commitment
Pricing, plan by plan
Assembly
Free- FreeFree
- Basic recognition
- Points system
- Mobile app
- Pro$undefined/month
- Advanced recognition
- Rewards
- Analytics
Customer.io
On requestNo published plan breakdown. See the Customer.io review.
Which should you pick?
Choose Assembly if
- You need social recognition.
- You want to start without paying.
- You also want rewards catalog.
Choose Customer.io if
Nothing in the data separates Customer.io from Assembly on the points above - pick on price and on how each one feels to use.
Questions people ask
- Is Assembly or Customer.io better?
- Neither clearly leads. Assembly starts at Free and Customer.io at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Assembly or Customer.io?
- Assembly has a free tier; the other does not. Paid plans start at Free for Assembly and On request for Customer.io.
- Does Assembly or Customer.io run on more platforms?
- Both run on Web, so platform support will not decide this one for you.
- Can I use Assembly for free?
- Yes. Assembly has a free tier, so you can try it without paying. Customer.io starts at On request.
- What can Assembly do that Customer.io cannot?
- Assembly covers Social recognition, Rewards catalog, Points system, Mobile app.
Related pages
More on Customer.io
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- Customer.io vs Kazoo
- Customer.io vs Leapsome
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- Customer.io vs Iterable
- Customer.io vs Leadpages
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