Klaviyo vs OneSignal
Klaviyo vs OneSignal, 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: Klaviyo is on 69/100 and OneSignal on 61/100.
Where each one leads
Klaviyo
- our overall score: 69/100 against 61/100
- headcount: 2,866 against 171
- funding raised: $373M against $57.0M
- LinkedIn following: 145,500 against 11,296
OneSignal
- agent readiness: 58/100 against 52/100
At a glance
| Measure | Klaviyo | OneSignal |
|---|---|---|
| What it is | Klaviyo is the only CRM built for B2C brands, powered by a built-in data platform and AI insights to unify marketing automation, analytics, and customer service for personalized experiences and accelerated growth. | Omnichannel customer engagement platform for personalized messaging across mobile and web. |
| Category | Marketing Automation, E-commerce, SaaS, Customer Data Platform | Customer Engagement Platform, Marketing Automation, Push Notifications, In-App Messaging |
| Sells toBusiness model | B2C | B2B |
| Offering | Not published | Platform |
| Founded | 2012 | 2011 |
| Headquarters | Not published | San Mateo, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Klaviyo | OneSignal |
|---|---|---|
| Employees | 2,866 | 171 |
| Total funding | $373M | $57.0M |
| Latest round | Not published | Series C |
| LinkedIn followers | 145,500 | 11,296 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Klaviyo | OneSignal |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 69/100 | 61/100 |
| Traction | 60/100 | 59/100 |
| Team | 30/100 | 60/100 |
| Community | Not published | 15/100 |
| Search visibility | 35/100 | 35/100 |
| Quality | 86/100 | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (52/100) | D (58/100) |
| Domain ratingLink authority, 0-100 | 91/100 | 86/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Klaviyo | OneSignal |
|---|---|---|
| Hosting | Netlify | Not detected |
| CDN | Cloudflare | Cloudflare |
| CMS | Ghost | Not detected |
| Frameworks | Astro | Jquery, Tailwind CSS, Bootstrap |
| Analytics | Google Tag Manager | Google Tag Manager |
| Support stack | HubSpot | Not detected |
| Open source | No | Yes |
Product and pricing
| Measure | Klaviyo | OneSignal |
|---|---|---|
| Key features | B2C CRM, Omnichannel Marketing, Klaviyo AI, Built-in Data Platform, Extensive Integrations, Customer Hub | Not published |
Klaviyo vs OneSignal: common questions
Which is better, Klaviyo or OneSignal?
On our 0-100 score Klaviyo rates higher (69/100 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 19 data points above: read the rows that match what you are buying for.
How do Klaviyo and OneSignal compare on the numbers?
Klaviyo leads on our overall score (69/100 against 61/100), headcount (2,866 against 171), funding raised ($373M against $57.0M), LinkedIn following (145,500 against 11,296). OneSignal leads on agent readiness (58/100 against 52/100).
Read the full Klaviyo review and pricing or the OneSignal review and pricing. You can also browse other Klaviyo alternatives we track.