Expo Pass earns its place when onsite registration has to look professional and move quickly. Print-on-demand badges, shipped equipment, QR-code workflows, and check-in support can remove a lot of manual badge-table pain for conferences, associations, and trade shows.
The buying decision should focus on operations, not just software features. Badge printing is a hardware, data, staffing, and network workflow. If your event is small enough for pre-printed badges or simple QR scanning, Expo Pass may be more than you need. If arrivals are high-stakes, the specialization can be valuable.