Extra vs Superhuman
Extra vs Superhuman, 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: Extra is on 37/100 and Superhuman on 71/100.
Where each one leads
Extra
- agent readiness: 47/100 against 39/100
Superhuman
- our overall score: 71/100 against 37/100
- domain rating: 79/100 against 71/100
At a glance
| Measure | Extra | Superhuman |
|---|---|---|
| What it is | Reimagines email around your life instead of the traditional inbox. | An AI-native email app designed to save users time and increase productivity through faster collaboration and an efficient inbox experience. |
| Category | Productivity, Artificial Intelligence, Communication, Productivity Software | Productivity, Email Client, AI, Enterprise Software |
| Sells toBusiness model | B2C | B2B |
| Offering | Software | Software |
| Founded | 2022 | 2014 |
| Headquarters | San Francisco, USA | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Extra | Superhuman |
|---|---|---|
| Employees | Not published | 189 |
| Total funding | Not published | $75.0M |
| Latest round | Seed | Series C |
| Valuation | $1.1B | $825M |
| LinkedIn followers | Not published | 53,487 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Extra | Superhuman |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 37/100 | 71/100 |
| Traction | Not published | 59/100 |
| Team | 70/100 | 80/100 |
| Search visibility | 26/100 | 68/100 |
| Quality | 45/100 | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (47/100) | F (39/100) |
| Domain ratingLink authority, 0-100 | 71/100 | 79/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Extra | Superhuman |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| Frameworks | Not detected | Next.js |
| Analytics | Mixpanel | Not detected |
Product and pricing
| Measure | Extra | Superhuman |
|---|---|---|
| Key features | Not published | Superhuman AI, Split Inbox, Follow-up Reminders, Snippets, Read Statuses, Autocorrect |
What users say
| Measure | Extra | Superhuman |
|---|---|---|
| Reddit sentimentThreads we track | Not published | 0 positive, 3 negative across 5 threads |
“Remember that “invite-only” email app people waited months to try and then paid $30 a month for just to blast through Gmail a bit faster? Superhuman. Grammarly announced it’s buying them.”r/startups
Extra vs Superhuman: common questions
Which is better, Extra or Superhuman?
On our 0-100 score Superhuman rates higher (71/100 against 37/100). 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 Extra and Superhuman compare on the numbers?
Extra leads on agent readiness (47/100 against 39/100). Superhuman leads on our overall score (71/100 against 37/100), domain rating (79/100 against 71/100).
What do real users say about Extra and Superhuman?
Superhuman: 0 positive and 3 negative mentions across 5 Reddit threads we track, mostly in r/startups.
Read the full Extra review and pricing or the Superhuman review and pricing. You can also browse other Extra alternatives we track.