Klaviyo vs Return Signals
Klaviyo vs Return Signals, compared side by side on 16 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 Return Signals on 36/100.
Where each one leads
Klaviyo
- our overall score: 69/100 against 36/100
- domain rating: 90/100 against 10/100
- headcount: 2,866 against 2
- LinkedIn following: 145,500 against 386
Return Signals
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Klaviyo | Return Signals |
|---|---|---|
| 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. | AI luxury concierge for E-commerce brands |
| Category | Marketing Automation, E-commerce, SaaS, Customer Data Platform | Generative AI, E-commerce, SMS, Agentic AI |
| Sells toBusiness model | B2C | B2B |
| Offering | Not published | Software |
| Founded | 2012 | 2025 |
| Headquarters | Not published | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Klaviyo | Return Signals |
|---|---|---|
| Employees | 2,866 | 2 |
| Total funding | $373M | Not published |
| LinkedIn followers | 145,500 | 386 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Klaviyo | Return Signals |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 69/100 | 36/100 |
| Traction | 60/100 | 5/100 |
| Team | 30/100 | 80/100 |
| Search visibility | 35/100 | 34/100 |
| Quality | 86/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | D (52/100) | D (49/100) |
| Domain ratingLink authority, 0-100 | 90/100 | 10/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Klaviyo | Return Signals |
|---|---|---|
| Hosting | Netlify | Google Cloud |
| CDN | Cloudflare | Not detected |
| CMS | Ghost | Not detected |
| Frameworks | Astro | Tailwind CSS, Bootstrap |
| Analytics | Google Tag Manager | Google Analytics 4, PostHog |
| Support stack | HubSpot | Not detected |
Product and pricing
| Measure | Klaviyo | Return Signals |
|---|---|---|
| Key features | B2C CRM, Omnichannel Marketing, Klaviyo AI, Built-in Data Platform, Extensive Integrations, Customer Hub | Not published |
Klaviyo vs Return Signals: common questions
Which is better, Klaviyo or Return Signals?
On our 0-100 score Klaviyo rates higher (69/100 against 36/100). 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 16 data points above: read the rows that match what you are buying for.
How do Klaviyo and Return Signals compare on the numbers?
Klaviyo leads on our overall score (69/100 against 36/100), domain rating (90/100 against 10/100), headcount (2,866 against 2), LinkedIn following (145,500 against 386).
Read the full Klaviyo review and pricing or the Return Signals review and pricing. You can also browse other Klaviyo alternatives we track.