EZ-OPUS vs ISF Watchkeeper
EZ-OPUS
ezopus.comISF Watchkeeper
isfwatchkeeper.comSide by side
| Figure | EZ-OPUS | ISF Watchkeeper |
|---|---|---|
| Price from | — | — |
| Free plan | — | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | — | Yes |
| Plans published | 3 | 2 |
| Spec score · Crew Scheduling Software | 7.3 (#15) | 7.9 (#2) |
| 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. |
Plans
EZ-OPUS
- EnterprisePriced on request
- EssentialsPriced on request
- ProfessionalPriced on request
ISF Watchkeeper
- ISF Watchkeeper 3Priced on request
- ISF Watchkeeper 3 OnlinePriced on request
In their own words
ISF Watchkeeper
ISF Watchkeeper helps ship managers plan crew schedules and monitor work and rest hour compliance. Watchkeeper 3 runs aboard vessels, supports team planning and vessel scheduling, and synchronizes data with Watchkeeper Online for shore-based staff. The online dashboard monitors multiple vessels and provides alerts and historical reports. Compliance checks cover STCW, ILO MLC, US OPA 90, and OCIMF regulations. Seafarers can use Watchkeeper 4 Mobile on smartphones and tablets to record hours and check live compliance status. Watchkeeper 3 supports API and third-party crewing software integrations; AppLink imports and exports data through Microsoft Excel files. It can also compare recorded crew hours with vessel events for SIRE 2.0. Global Analytics & Benchmarking compares fleet performance with industry data and identifies high-risk locations. ISF Watchkeeper is paid, with pricing on request and a 30-day trial. Platforms listed are Android, iOS, macOS, web, and Windows, as well as API access.