Resend vs Withdouble
Resend vs Withdouble, 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: Resend is on 65/100 and Withdouble on 6/100.
Where each one leads
Resend
- our overall score: 65/100 against 6/100
- agent readiness: 84/100 against 46/100
Withdouble
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Resend | Withdouble |
|---|---|---|
| What it is | Developer-friendly email API for transactional and marketing emails at scale. | Small, useful software. One app at a time. |
| Category | Developer Tools, API Platform, Email API, MarTech | Developer Tools, API Platform, Enterprise Software |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Software |
| Founded | 2022 | Not published |
| Headquarters | San Francisco, United States | Not published |
| Status | Active | Active |
Size, funding and growth
| Measure | Resend | Withdouble |
|---|---|---|
| Employees | 72 | Not published |
| Total funding | $21.0M | Not published |
| Latest round | Series A | Not published |
| LinkedIn followers | 19,032 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Resend | Withdouble |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 65/100 | 6/100 |
| Traction | 55/100 | Not published |
| Team | 70/100 | Not published |
| Community | 8/100 | Not published |
| Search visibility | 57/100 | Not published |
| Quality | 68/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | A (84/100) | D (46/100) |
| Domain ratingLink authority, 0-100 | 90/100 | Not published |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Resend | Withdouble |
|---|---|---|
| Hosting | Vercel | Railway |
| CDN | Vercel | Cloudflare |
| Frameworks | Next.js, Tailwind CSS | Tailwind CSS |
| Payments | Stripe | Not detected |
| Analytics | PostHog | Not detected |
| Open source | Yes | No |
What users say
| Measure | Resend | Withdouble |
|---|---|---|
| Reddit sentimentThreads we track | Not published | 3 positive, 0 negative across 4 threads |
“My company, Double , has just launched a new tool designed for anyone juggling life's many demands, allowing you to instantly delegate tasks to a pool of available and experienced Executive Assistants without spending the time to hire one!”r/B2BForHire
Resend vs Withdouble: common questions
Which is better, Resend or Withdouble?
On our 0-100 score Resend rates higher (65/100 against 6/100). 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 Resend and Withdouble compare on the numbers?
Resend leads on our overall score (65/100 against 6/100), agent readiness (84/100 against 46/100).
What do real users say about Resend and Withdouble?
Withdouble: 3 positive and 0 negative mentions across 4 Reddit threads we track, mostly in r/B2BForHire.
Read the full Resend review and pricing or the Withdouble review and pricing. You can also browse other Resend alternatives we track.