Side by side
C3 Reservations vs SlotMaster
Both stand on dock scheduling software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid APIWeb
C3 Reservations combines dock appointment scheduling with a carrier portal, configurable rules, automation, and operational reporting. Its usage-based annual fee and variable implementation charge require a quote, while data retention limits may matter to reporting needs.
Visit C3 Reservations Free trial APIWeb
SlotMaster focuses on dock appointment scheduling, with carrier booking, configurable dock rules, and appointment status tracking. Its stated product boundaries matter: it is not a warehouse, transport, or yard management system.
Visit SlotMasterThe facts
| C3 Reservations | SlotMaster | |
|---|---|---|
| Free plan | No | A free trial |
| Open source | Not published | Not published |
| Runs on | API, Web | API, Web |
| Lowest paid plan | Free or on request | Essentials: €99 a month |
| Plans published | 1 | 4 |
| Maker | Not published | Not published |
| Website | c3solutions.com | slotmaster.app |
| On dock scheduling software | #8 of 24 | #12 of 24 |
C3 Reservations: what it does well
- Self-service portal for carriers and suppliers
- Automates requests that meet configured rules
- Includes dashboards, reports, and vendor scorecards
- Can operate without system integration
- 24/7 support included across service levels
What to know first
- Pricing requires contacting sales
- One-time implementation fee varies with complexity
- Live data is retained for six months
- Older-than-24-month data is unavailable for reporting
SlotMaster: what it does well
- Carriers can book slots without creating accounts.
- Dock capacity rules can be configured separately.
- Appointments have a defined status workflow.
- Higher plans support REST API and webhook data exchange.
What to know first
- Essentials is limited to one location and five docks.
- WMS, TMS, and ERP data exchange is limited to higher plans.
- It does not provide GPS tracking or AI optimization.
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