Fact · Voice privacy and security
139keyboard apps
The 2015 peer-reviewed study analyzed the security behaviors of 139 keyboard apps available on Google Play.
Checked against its source on October 17, 2026
In the source's own words
“We also empirically analyzed the security behaviors of 139 keyboard applications that were available on Google Play.”
Keyboard or keylogger? A security analysis of third-party keyboard apps, Junsung Cho et al., 2015 13th Annual Conference on Privacy, Security and Trust (PST), IEEE, 2015, Abstract.
Open the original (DOI 10.1109/PST.2015.7232970)- What it measures
- The sample is the set of keyboard apps the authors could analyze on Google Play at the time.
- What it does not show
- A sample from 2015 Google Play, not a list of all keyboards.