Mailbo vs VAST Data
Mailbo vs VAST Data, compared side by side on 11 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: Mailbo is on 7/100 and VAST Data on 74/100.
Where each one leads
Mailbo
Leads on none of the measures we hold for both companies.
VAST Data
- our overall score: 74/100 against 7/100
- agent readiness: 53/100 against 31/100
At a glance
| Measure | Mailbo | VAST Data |
|---|---|---|
| What it is | Send unlimited email campaigns, sequences, and automations from your own infrastructure. No per-contact tax, no send caps, no markup. | A universal data platform for AI and analytics, offering high-performance flash storage and a data lakehouse architecture. |
| Category | Email Marketing, Marketing Automation, Customer Engagement, SaaS | Storage, Computing, Data Center, Infrastructure |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Hardware |
| Founded | Not published | 2016 |
| Headquarters | Not published | New York, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Mailbo | VAST Data |
|---|---|---|
| Employees | Not published | 1,201 |
| Headcount growthLast 12 months | Not published | +35.5% |
| Total funding | Not published | $881M |
| Latest round | Not published | Unknown |
| Valuation | Not published | $30K |
| LinkedIn followers | Not published | 65,250 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Mailbo | VAST Data |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 7/100 | 74/100 |
| Traction | Not published | 60/100 |
| Team | Not published | 70/100 |
| Community | Not published | 8/100 |
| Search visibility | 2/100 | 47/100 |
| Quality | Not published | 86/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (31/100) | D (53/100) |
| Domain ratingLink authority, 0-100 | Not published | 72/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Mailbo | VAST Data |
|---|---|---|
| Hosting | Hetzner | Vercel |
| CDN | Not detected | Vercel |
| Frameworks | Next.js, Bootstrap | Nuxt, Tailwind CSS |
| Support stack | Not detected | HubSpot |
| Open source | No | Yes |
Mailbo vs VAST Data: common questions
Which is better, Mailbo or VAST Data?
On our 0-100 score VAST Data rates higher (74/100 against 7/100). 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 11 data points above: read the rows that match what you are buying for.
How do Mailbo and VAST Data compare on the numbers?
VAST Data leads on our overall score (74/100 against 7/100), agent readiness (53/100 against 31/100).
Read the full Mailbo review and pricing or the VAST Data review and pricing. You can also browse other Mailbo alternatives we track.