No. 7 of 25 ·Crew Scheduling Software

Signal

Web · Android · iPhone · API

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Freedom report

Two barsScore 5.6

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

Signal is ranked #7 of 25 in crew scheduling software on Freedom251. It runs on Android, API, iOS, Web.

Compared on crew scheduling software

Duty-time rules: Yes
Qualification tracking: Yes
Fatigue management: Yes
Mobile access: Yes
Trip assignment: Yes
Availability management: Yes
API access: Yes

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The record

Product: Signal is a cloud-based workforce platform built for the rail industry, including contractors, train operators, plant providers and staffing agencies.
Scheduling and fatigue: It schedules shifts and calculates fatigue scores for planned and actual hours, with alerts for management and workers.
Safety checks: Its Safety Guard Algorithm combines fatigue, travel time, working regulations, competence and site experience when assessing schedules.
Compliance: Signal monitors rail-specific compliance items such as passports, visa expiries, medicals and PTS.
Digital timesheets: Timesheets work on mobile or desktop and can include digital signatures, GPS stamps, authorisation and PDF generation.
Payroll integration: Signal supports payroll data exports through its API or configurable export files.
Other integrations: The maker says shifts can be imported from Primavera P6 and Oracle, and its plant management product integrates with Syrinx.
Messaging: The worker app can send shift-change updates by email, text or push notification.
Security: Signal says it uses SSL encryption and is GDPR compliant.
Availability: The maker states that its cloud infrastructure has 99.99% reliability.
Support: Signal says most support tickets are resolved within 24 hours.
Hosting providers: The listed subprocessors include Azure UK CDN for primary hosting and Rackspace UK for secondary hosting.
Company contact location: The contact page lists an address at 71–75 Shelton Street, London, Greater London, United Kingdom, WC2H 9JQ.
Intended users: The maker describes Signal as built for rail, construction, and plant workforces, including contractors, train operators, plant providers, and staffing agencies.

Where it ranks on Freedom251

Best Crew Scheduling Software in 2026#7 of 25

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Sources

signalsoftware.co.uk/use-cases/about-signal-software/s59362/· checked 4 Oct 2026
signalsoftware.co.uk· checked 4 Oct 2026
signalsoftware.co.uk/features/digital-timesheets/s52244/· checked 4 Oct 2026
signalsoftware.co.uk/features/rostering/s52176/· checked 4 Oct 2026
signalsoftware.co.uk/features/worker-app/s54205/· checked 4 Oct 2026
signalsoftware.co.uk/features/security-gdpr-and-assurance/s5· checked 4 Oct 2026
signalsoftware.co.uk/features/subprocessors/s55848/· checked 4 Oct 2026
signalsoftware.co.uk/contact/42/· checked 4 Oct 2026
signalsoftware.co.uk/sa/features/rail-fatigue-calculator/s53· checked 4 Oct 2026
signalsoftware.co.uk/use-cases/accreditations/s59396/· checked 4 Oct 2026