Sparkles vs Superhuman
Sparkles vs Superhuman, compared side by side on 17 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: Sparkles is on 34/100 and Superhuman on 71/100.
Where each one leads
Sparkles
- agent readiness: 48/100 against 39/100
Superhuman
- our overall score: 71/100 against 34/100
- domain rating: 80/100 against 26/100
- headcount: 189 against 1
At a glance
| Measure | Sparkles | Superhuman |
|---|---|---|
| What it is | Make everyone on your team an engineer | An AI-native email app designed to save users time and increase productivity through faster collaboration and an efficient inbox experience. |
| Category | Developer Tools, Productivity | Productivity, Email Client, AI, Enterprise Software |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Software |
| Founded | 2025 | 2014 |
| Headquarters | San Francisco, United States | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Sparkles | Superhuman |
|---|---|---|
| Employees | 1 | 189 |
| Total funding | Not published | $75.0M |
| Latest round | Not published | Series C |
| Valuation | Not published | $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 | Sparkles | Superhuman |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 34/100 | 71/100 |
| Traction | 3/100 | 59/100 |
| Team | 30/100 | 80/100 |
| Search visibility | 13/100 | 68/100 |
| Quality | 40/100 | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (48/100) | F (39/100) |
| Domain ratingLink authority, 0-100 | 26/100 | 80/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Sparkles | Superhuman |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| Frameworks | Sveltekit, Svelte, Tailwind CSS | Next.js |
| Analytics | PostHog | Not detected |
Product and pricing
| Measure | Sparkles | Superhuman |
|---|---|---|
| Key features | Not published | Superhuman AI, Split Inbox, Follow-up Reminders, Snippets, Read Statuses, Autocorrect |
What users say
| Measure | Sparkles | 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
Sparkles vs Superhuman: common questions
Which is better, Sparkles or Superhuman?
On our 0-100 score Superhuman rates higher (71/100 against 34/100). 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 17 data points above: read the rows that match what you are buying for.
How do Sparkles and Superhuman compare on the numbers?
Sparkles leads on agent readiness (48/100 against 39/100). Superhuman leads on our overall score (71/100 against 34/100), domain rating (80/100 against 26/100), headcount (189 against 1).
What do real users say about Sparkles and Superhuman?
Superhuman: 0 positive and 3 negative mentions across 5 Reddit threads we track, mostly in r/startups.
Read the full Sparkles review and pricing or the Superhuman review and pricing. You can also browse other Sparkles alternatives we track.