Customer.io vs OneSignal
Customer.io vs OneSignal, compared side by side on 22 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 OneSignal on 61/100.
Where each one leads
Customer.io
- our overall score: 67/100 against 61/100
- agent readiness: 75/100 against 58/100
- headcount: 514 against 171
- LinkedIn following: 41,008 against 11,296
OneSignal
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Customer.io | OneSignal |
|---|---|---|
| What it is | Customer engagement platform. | Omnichannel customer engagement platform for personalized messaging across mobile and web. |
| Category | Customer Engagement Platform, Marketing Automation, MarTech, SaaS | Customer Engagement Platform, Marketing Automation, Push Notifications, In-App Messaging |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 2012 | 2011 |
| Headquarters | Beaverton, United States | San Mateo, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Customer.io | OneSignal |
|---|---|---|
| Employees | 514 | 171 |
| Total funding | $55.0M | $57.0M |
| Latest round | Series A | Series C |
| Valuation | $746M | Not published |
| LinkedIn followers | 41,008 | 11,296 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Customer.io | OneSignal |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 67/100 | 61/100 |
| Traction | 59/100 | 59/100 |
| Team | 60/100 | 60/100 |
| Community | Not published | 15/100 |
| Search visibility | 55/100 | 35/100 |
| Quality | 78/100 | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | B (75/100) | D (58/100) |
| 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 | OneSignal |
|---|---|---|
| Hosting | Vercel | Not detected |
| CDN | Vercel | Cloudflare |
| Frameworks | Next.js, Tailwind CSS | Jquery, Tailwind CSS, Bootstrap |
| Analytics | Google Tag Manager | Google Tag Manager |
| Open source | No | Yes |
Customer.io vs OneSignal: common questions
Which is better, Customer.io or OneSignal?
On our 0-100 score Customer.io rates higher (67/100 against 61/100). 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 22 data points above: read the rows that match what you are buying for.
How do Customer.io and OneSignal compare on the numbers?
Customer.io leads on our overall score (67/100 against 61/100), agent readiness (75/100 against 58/100), headcount (514 against 171), LinkedIn following (41,008 against 11,296).
Read the full Customer.io review and pricing or the OneSignal review and pricing. You can also browse other Customer.io alternatives we track.