Customer.io vs Insider One
Customer.io vs Insider One, compared side by side on 19 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 Insider One on 60/100.
Where each one leads
Customer.io
- our overall score: 67/100 against 60/100
- agent readiness: 75/100 against 48/100
Insider One
- headcount: 1,500 against 514
- funding raised: $773M against $55.0M
At a glance
| Measure | Customer.io | Insider One |
|---|---|---|
| What it is | Customer engagement platform. | AI-powered customer engagement and personalization platform unifying CDP, journey orchestration, and cross-channel messaging. |
| Category | Customer Engagement Platform, Marketing Automation, MarTech, SaaS | Customer Engagement Platform, Marketing Automation, Customer Data Platform, Personalization |
| Sells toBusiness model | B2B | B2B SaaS |
| Offering | Platform | Platform |
| Founded | 2012 | 2012 |
| Headquarters | Beaverton, United States | Istanbul, Turkey |
| Status | Active | Active |
Size, funding and growth
| Measure | Customer.io | Insider One |
|---|---|---|
| Employees | 514 | 1,500 |
| Total funding | $55.0M | $773M |
| Latest round | Series A | Series D |
| Valuation | $746M | Not published |
| LinkedIn followers | 41,008 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Customer.io | Insider One |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 67/100 | 60/100 |
| Traction | 59/100 | 60/100 |
| Team | 60/100 | Not published |
| Community | Not published | 8/100 |
| Search visibility | 55/100 | 34/100 |
| Quality | 78/100 | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | B (75/100) | D (48/100) |
| Domain ratingLink authority, 0-100 | 81/100 | 77/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Customer.io | Insider One |
|---|---|---|
| Hosting | Vercel | Not detected |
| CDN | Vercel | Cloudflare |
| CMS | Not detected | WordPress |
| Frameworks | Next.js, Tailwind CSS | Jquery, Bootstrap |
| Analytics | Google Tag Manager | Google Tag Manager |
| Support stack | Not detected | HubSpot |
Customer.io vs Insider One: common questions
Which is better, Customer.io or Insider One?
On our 0-100 score Customer.io rates higher (67/100 against 60/100). 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 19 data points above: read the rows that match what you are buying for.
How do Customer.io and Insider One compare on the numbers?
Customer.io leads on our overall score (67/100 against 60/100), agent readiness (75/100 against 48/100). Insider One leads on headcount (1,500 against 514), funding raised ($773M against $55.0M).
Read the full Customer.io review and pricing or the Insider One review and pricing. You can also browse other Customer.io alternatives we track.