Day AI vs Reply.io
Day AI vs Reply.io, compared side by side on 14 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: Day AI is on 55/100 and Reply.io on 63/100.
Where each one leads
Day AI
- agent readiness: 55/100 against 44/100
Reply.io
- our overall score: 63/100 against 55/100
- domain rating: 78/100 against 47/100
- headcount: 90 against 30
At a glance
| Measure | Day AI | Reply.io |
|---|---|---|
| What it is | AI-native CRM that automatically captures and acts on every customer interaction | AI-powered sales engagement platform for personalized outreach and revenue growth. |
| Category | CRM, Sales, AI Foundation & Compute, Agentic AI | Sales, Sales Engagement Platform, B2B SaaS, MarTech |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Software |
| Founded | 2023 | 2014 |
| Headquarters | San Francisco, United States | Tel Aviv, Israel |
| Status | Active | Active |
Size, funding and growth
| Measure | Day AI | Reply.io |
|---|---|---|
| Employees | 30 | 90 |
| Total funding | $24.0M | Not published |
| Latest round | Series A | Not published |
| LinkedIn followers | Not published | 4,348 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Day AI | Reply.io |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 55/100 | 63/100 |
| Traction | 52/100 | 29/100 |
| Team | 60/100 | Not published |
| Community | 8/100 | Not published |
| Search visibility | 25/100 | 65/100 |
| Quality | 62/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | D (55/100) | D (44/100) |
| Domain ratingLink authority, 0-100 | 47/100 | 78/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Day AI | Reply.io |
|---|---|---|
| Hosting | Netlify | Not detected |
| CDN | Netlify | Cloudflare |
| Frameworks | Tailwind CSS | Not detected |
| Analytics | Google Tag Manager, Microsoft Clarity | Not detected |
Day AI vs Reply.io: common questions
Which is better, Day AI or Reply.io?
On our 0-100 score Reply.io rates higher (63/100 against 55/100). 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 14 data points above: read the rows that match what you are buying for.
How do Day AI and Reply.io compare on the numbers?
Day AI leads on agent readiness (55/100 against 44/100). Reply.io leads on our overall score (63/100 against 55/100), domain rating (78/100 against 47/100), headcount (90 against 30).
Read the full Day AI review and pricing or the Reply.io review and pricing. You can also browse other Day AI alternatives we track.