Superhuman vs Voiceline
Superhuman vs Voiceline, compared side by side on 15 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: Superhuman is on 71/100 and Voiceline on 43/100.
Where each one leads
Superhuman
- our overall score: 71/100 against 43/100
- domain rating: 80/100 against 28/100
- funding raised: $75.0M against $15.5M
Voiceline
- agent readiness: 58/100 against 39/100
At a glance
| Measure | Superhuman | Voiceline |
|---|---|---|
| What it is | An AI-native email app designed to save users time and increase productivity through faster collaboration and an efficient inbox experience. | Empowering frontline teams with AI-driven voice technology. |
| Category | Productivity, Email Client, AI, Enterprise Software | Enterprise Software, Artificial Intelligence, Voice Recognition, Customer Service |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Software |
| Founded | 2014 | 2021 |
| Headquarters | San Francisco, United States | Amsterdam, Netherlands |
| Status | Active | Active |
Size, funding and growth
| Measure | Superhuman | Voiceline |
|---|---|---|
| Employees | 189 | Not published |
| Total funding | $75.0M | $15.5M |
| Latest round | Series C | Series A |
| Valuation | $825M | Not published |
| LinkedIn followers | 53,487 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Superhuman | Voiceline |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 71/100 | 43/100 |
| Traction | 59/100 | 36/100 |
| Team | 80/100 | Not published |
| Search visibility | 68/100 | 16/100 |
| Quality | 78/100 | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (39/100) | D (58/100) |
| Domain ratingLink authority, 0-100 | 80/100 | 28/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Superhuman | Voiceline |
|---|---|---|
| CDN | Cloudflare | Not detected |
| CMS | Not detected | Framer |
| Frameworks | Next.js | Not detected |
| Analytics | Not detected | Google Analytics 4 |
Product and pricing
| Measure | Superhuman | Voiceline |
|---|---|---|
| Key features | Superhuman AI, Split Inbox, Follow-up Reminders, Snippets, Read Statuses, Autocorrect | Not published |
What users say
| Measure | Superhuman | Voiceline |
|---|---|---|
| Reddit sentimentThreads we track | 0 positive, 3 negative across 5 threads | Not published |
“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
Superhuman vs Voiceline: common questions
Which is better, Superhuman or Voiceline?
On our 0-100 score Superhuman rates higher (71/100 against 43/100). 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 15 data points above: read the rows that match what you are buying for.
How do Superhuman and Voiceline compare on the numbers?
Superhuman leads on our overall score (71/100 against 43/100), domain rating (80/100 against 28/100), funding raised ($75.0M against $15.5M). Voiceline leads on agent readiness (58/100 against 39/100).
What do real users say about Superhuman and Voiceline?
Superhuman: 0 positive and 3 negative mentions across 5 Reddit threads we track, mostly in r/startups.
Read the full Superhuman review and pricing or the Voiceline review and pricing. You can also browse other Superhuman alternatives we track.