Threema

NOT ON THE LIST IN 2019

Threema end-to-end encrypts all your communications

Website: threema.ch
Cost: Commercial
Availability: Download app

Overall rankings in the 14 surveys: 2007-2020

2020: – 2019: – 2018: – 2017: 131 2016: – 2015: – 2014: –
2013: – 2012: – 2011: – 2010: – 2009: – 2008: – 2007: –

 

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