...
Distinctions in Design:
Design #1: What makes Design #1 unique is its emphasis on simplicity and usability. Design #1 is much less complex than the other two designs because it constantly keeps in mind that this website will be mostly accessed by people on their phones with limited screen real estate. Therefore, Design #1 does its best to emulate a native application on a phone without actually being a native app. These features can be easily observed by the simple, row-layout of debts and people, as well as the large buttons on the bottom that are perfect for fingers to press. The pop-up “ add-debt” feature also aims to allow users to add a debt without having to go to a new page, which can be particularly cumbersome if they are running off of 3G internet.
Design #2: The primary difference of Design #2 between the other designs is that it focuses attention on how to tackle specific features to enhance efficiency for add transaction. While the other designs only allow transactions to be posted to a single other counterparty at once, this design handles group-based transactions. Consider, again, the scenario of a group dinner outing with four other people. Instead of having to create 3-4 separate transactions, a single one to split the bill will suffice! Additionally, the ability to individually modify transaction amounts for each given person allows for additional flexibility (if there are uneven splits between a group). However, it lacks the ability to compound transactions based on other users (ie, aggregating all the transactions that I have made with Susie Q) that the other two designs have incorporated.
...