I'm not affiliated with IPA, but I have used the Poverty Probability Index (PPI - previously Progress out of Poverty Index) in numerous survey deployments. Those of you who are also using the PPI may be interested to know that they're uploading SurveyCTO/ODK templates for the PPI surveys. You can access them here: https://www.povertyindex.org/ppi-open-data-kit-surveycto-forms-now-available
As an aside, I was keen to build these for all the PPI countries (and started some discussion around this here). Unfortunately, family and work had to take a bit of a priority but I'm still keen to work on this if anyone else has time.