Checksum vs Sealights
Checksum vs Sealights, compared side by side on 18 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: Checksum is on 47/100 and Sealights on 61/100.
Where each one leads
Checksum
- agent readiness: 57/100 against 21/100
- headcount growth: +88.7% against -40.6%
Sealights
- our overall score: 61/100 against 47/100
- domain rating: 41/100 against 29/100
- headcount: 65 against 28
- LinkedIn following: 12,330 against 4,945
At a glance
| Measure | Checksum | Sealights |
|---|---|---|
| What it is | AI-powered platform for automated end-to-end web application testing. | Software Quality Intelligence Platform for reducing testing time and costs. |
| Category | Test Automation, Enterprise, Development, CI/CD | Enterprise, Development, Testing, DevOps |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Software |
| Founded | 2022 | 2015 |
| Headquarters | San Francisco, United States | Tel Aviv, Israel |
| Status | Active | Inactive |
Size, funding and growth
| Measure | Checksum | Sealights |
|---|---|---|
| Employees | 28 | 65 |
| Headcount growthLast 12 months | +88.7% | -40.6% |
| Total funding | Not published | $49.6M |
| Latest round | Not published | Series C |
| LinkedIn followers | 4,945 | 12,330 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Checksum | Sealights |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 47/100 | 61/100 |
| Traction | 15/100 | 57/100 |
| Team | 70/100 | 70/100 |
| Search visibility | 31/100 | 29/100 |
| Quality | 58/100 | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (57/100) | F (21/100) |
| Domain ratingLink authority, 0-100 | 29/100 | 41/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Checksum | Sealights |
|---|---|---|
| CDN | Cloudflare | Not detected |
| CMS | Webflow | Not detected |
| Frameworks | Tailwind CSS, Bootstrap | Not detected |
| Analytics | Google Tag Manager | Not detected |
| Open source | Yes | No |
Checksum vs Sealights: common questions
Which is better, Checksum or Sealights?
On our 0-100 score Sealights rates higher (61/100 against 47/100). 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 18 data points above: read the rows that match what you are buying for.
How do Checksum and Sealights compare on the numbers?
Checksum leads on agent readiness (57/100 against 21/100), headcount growth (+88.7% against -40.6%). Sealights leads on our overall score (61/100 against 47/100), domain rating (41/100 against 29/100), headcount (65 against 28), LinkedIn following (12,330 against 4,945).
Read the full Checksum review and pricing or the Sealights review and pricing. You can also browse other Checksum alternatives we track.