Sine
8.1#2 in property management vendor management softwareFrom $49 a monthFree planAndroidiOSWebAPI
VisitSine vs Visitor.Express
Visitor.Express
6.8#14 in visitor management software£10,000 one-timeAndroidiOSWebAPI
VisitWhat both publish
| Fact | Sine | Visitor.Express |
|---|---|---|
| API | The Large plan includes a public API for retrieving visitor data, managing sites and hosts, and creating invitations. | The Core module includes a public REST API and webhook integrations. |
| Integrations | Listed integrations include Microsoft Teams, Slack, Outlook, Entra ID, Eventbrite, Aruba ClearPass, Gallagher, Inner Range, Honeywell EBI, KeyWatcher, Torus, CM3, Avetta and Descartes products. | The maker lists Microsoft, Google, and Okta for SSO, calendar, and identity integrations, plus Pay360 and takepayments for payment integrations. |
| Security | Sine says it uses AWS infrastructure, encrypts data in transit, and conducts regular audits and penetration tests. | The maker says customer-facing and data-storage roles use private cloud services, with encrypted HTTPS and SSH access, designated-IP restrictions for SSH, and two-factor authentication for infrastructure changes. |
Sine plans
- Sine Pro mobile appFree
- Sine Workflows Small$49 a month
- Sine Workflows Medium$69 a month
- Small$69 a month
- Medium$105 a month
- Sine Workflows Large$135 a month
Visitor.Express plans
- IntegrationPriced on request
- Each Module£10,000, paid once
- Core Platform£20,000, paid once
Pick Sine if…
Sine suits organizations that need to manage visitor arrivals alongside contractor onboarding and compliance records. Its mobile check-in and visitor notifications may also fit teams coordinating activity across sites.
Pick Visitor.Express if…
You want what its maker publishes above — check its page for the details.