SLP Minimal Pairs - Release Notes
Drillaby Pro - Release Notes
Current release: Drillaby Pro 1.2
Version 1.1.1: September 6, 2013, bug fixes and interface improvements.
Version 1.01: April 22, 2013, bug fixes and interface improvements.
Drillaby 1.0: April 17, 2013 with five sound groups /k/-/g/, /t/-/p/, /v/-/f/, /sh/-/ch/, /l/ presented in US, UK or AUS accents.