“…The widespread availability and decreasing cost of mobile devices make mobile data collection an attractive option for many programs. Information and communications technologies (ICTs) such as smartphones, tablets, basic phones, and other mobile devices, in combination with wireless networks and software programs and applications for field data collection, can comprise useful mobile survey tools (MSTs) for collecting, aggregating, and analyzing field-level data to improve the effectiveness of many types of operations, including national and international development work [1,2,3,4,5,6] in general, and water, sanitation, and hygiene (WaSH) programs [7,8,9,10,11,12,13,14,15] in particular. Such data can aid in more effective decision-making to enhance program impact.…”