Customer.io vs Litmus
Customer.io vs Litmus, compared side by side on 21 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Customer.io is on 67/100 and Litmus on 48/100.
Where each one leads
Customer.io
- our overall score: 67/100 against 48/100
- agent readiness: 75/100 against 46/100
- headcount: 514 against 79
- funding raised: $55.0M against $30.0M
- LinkedIn following: 41,008 against 27,666
Litmus
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Customer.io | Litmus |
|---|---|---|
| What it is | Customer engagement platform. | Email marketing platform for creating, testing, and analyzing email campaigns. |
| Category | Customer Engagement Platform, Marketing Automation, MarTech, SaaS | MarTech, Email Marketing, Marketing Automation, Analytics Platform |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Software |
| Founded | 2012 | 2007 |
| Headquarters | Beaverton, United States | Woburn, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Customer.io | Litmus |
|---|---|---|
| Employees | 514 | 79 |
| Total funding | $55.0M | $30.0M |
| Latest round | Series A | Series B |
| Valuation | $746M | Not published |
| LinkedIn followers | 41,008 | 27,666 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Customer.io | Litmus |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 67/100 | 48/100 |
| Traction | 59/100 | 56/100 |
| Team | 60/100 | 60/100 |
| Community | Not published | 15/100 |
| Search visibility | 55/100 | 31/100 |
| Quality | 78/100 | 45/100 |
| Agent readinessHow well an AI agent can read and act on the site | B (75/100) | D (46/100) |
| Domain ratingLink authority, 0-100 | 81/100 | 86/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Customer.io | Litmus |
|---|---|---|
| Hosting | Vercel | Self Managed |
| CDN | Vercel | Not detected |
| CMS | Not detected | WordPress |
| Frameworks | Next.js, Tailwind CSS | Jquery, Bootstrap |
| Analytics | Google Tag Manager | Segment, Microsoft Clarity, Hotjar |
Customer.io vs Litmus: common questions
Which is better, Customer.io or Litmus?
On our 0-100 score Customer.io rates higher (67/100 against 48/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 21 data points above: read the rows that match what you are buying for.
How do Customer.io and Litmus compare on the numbers?
Customer.io leads on our overall score (67/100 against 48/100), agent readiness (75/100 against 46/100), headcount (514 against 79), funding raised ($55.0M against $30.0M), LinkedIn following (41,008 against 27,666).
Read the full Customer.io review and pricing or the Litmus review and pricing. You can also browse other Customer.io alternatives we track.