Switching guides
One boat.
Three subscriptions.
Most crews run an inspection app, a sign-in app and rest-hours software from different companies. Two of them are priced as if the yacht were an office. The third has no public price at all. Here is the arithmetic.
Side by side.
| Feature | The Muster App | SafetyCulture now Mitti |
SwipedOn part of Sign In App |
ISF Watchkeeper |
|---|---|---|---|---|
| Visitor sign-in | Included | — | Included | — |
| ISPS search rules at the gangway | Included | — | — | — |
| Crew board, muster roll call and drill records | Included | — | — | — |
| MLC hours of rest | Included | — | — | Included |
| Checklists and inspections | Included | Included | — | — |
| Priced per | Vessel | Seat | Site | Vessel |
| 25 crew, one year | £2,700 | $7,200 | £835 | Quote only |
Prices and information correct on 23 August 2026, as per the official websites of the services listed: Mitti Premium, 25 users at $24 a user a month billed annually · Sign In App Enhanced, per site per year · ISF Watchkeeper, no published pricing · The Muster App Pro, billed annually.
Office pricing meets a crew list.
Even the cheapest mix of separate tools costs more each year than our top tier, with three logins and three admin backends.
Per vessel. Unlimited crew.
The Muster App is priced on the boat, not the headcount. Core is £110 a month. Pro is £270 a month and covers everything in the table above.
Pay monthly, or save 17% paying annually. See what each tier includes
Try it with your crew.
Per vessel, unlimited crew, on the iPads and phones you already have.
14-day free trial. Refund policy