Possibly a feature for personal stats monitoring - weight, VO2 max, BMI, body fat %, etc. Then integrate this into a data analytics formula to allow for drag and drop correlations between personal stats to PR's or, for example, front squat to back squat correlations, or any measurable quantity that is inputted into the system. A study on this sort of data, on such a mass scale could allow for a grander understanding of weaknesses and strengths, what works and what doesn't. Where athlete's need to focus in order to achieve goals.
We are not only in the Fitness Industry but also in the Healthcare Prevention business. Wodify should allow its clients to save and track certain Health indicators such as: IMC, weight, % lean muscle. That way, we can show the atlhete performance over time both in fitness and Health indicators.