Boomerang is excellent at the productivity job it was built for — scheduling, snooze, recurring sends, and Respondable AI writing feedback. Tracking is a side feature, not the centre of the product, and the Premium tier at $49.99 per user per month is hard to justify when most of the spend goes to features the team does not use day-to-day.
These are the five Boomerang alternatives worth evaluating, organised by which job you are actually trying to do — scheduling-first with light tracking, tracking-first for AE work, or full sales engagement.