> The New York-based startup is competing in the same space as expense report software such as Concur and Expensify. Abacus founders Omar Qari, Ted Power, and Joshua Halickman say their service differentiates by making it easy for managers approve expenses in real-time through its app, instead of in batches at their desks.

This just isn't true. You can approve expenses through Concur's app: https://www.concur.com/en-us/mobile