EZ-OPUS
5.4#25 in crew scheduling softwareWeb
VisitEZ-OPUS vs ISF Watchkeeper
ISF Watchkeeper
6.4#3 in crew scheduling softwareAndroidiOSWebAPI
VisitWhat both publish
| Fact | EZ-OPUS | ISF Watchkeeper |
|---|---|---|
| Founded | 2026 | 1998 |
| Headquarters | Ajman, United Arab Emirates | London, United Kingdom |
| Integrations | The site lists 17+ data integrations and names Google Sheets, OneDrive, BigQuery, SAP, Snowflake, PostgreSQL, MySQL, AWS S3, Azure Blob, GCS, Dropbox, Box, SFTP, Workday, and CSV/Excel. | Watchkeeper 3 supports API and third-party crewing software integrations, and AppLink imports and exports data through Microsoft Excel files. |
| Support | The Enterprise package includes dedicated support and onboarding. | Customers receive free support for their subscriptions by email or through the support form. |
EZ-OPUS plans
- EnterprisePriced on request
- EssentialsPriced on request
- ProfessionalPriced on request
ISF Watchkeeper plans
- ISF Watchkeeper 3Priced on request
- ISF Watchkeeper 3 OnlinePriced on request
Pick EZ-OPUS if…
EZ-OPUS is intended for airline operations teams. Essentials is described as an option for small to mid-size operators, while Enterprise includes dedicated support and onboarding.
Pick ISF Watchkeeper if…
It suits ship managers and shore-based teams responsible for crew scheduling and compliance across vessels, as well as seafarers who record their hours on mobile devices.