The bottom line
Absorb is a mature corporate LMS with a wide feature set, strong reporting, and the standards coverage — xAPI and cmi5 included — that larger training programmes often specify.
Telescopic covers the essentials of the same job and adds true multi-tenancy: if you train employees, customers, and partners, each can be a separate branded academy isolated at the database layer rather than a section of one portal.
Choose Absorb for depth of reporting and runtime tracking standards. Choose Telescopic when you want several cleanly separated, fully branded academies without a sales cycle or a platform to operate.