Phunware Inc. is an American mobile software and blockchain company. It produces mobile applications for advertising and marketing purposes such as personalized ad targeting, location tracking, and cryptocurrency brand loyalty programs. In 2020, Phunware was the fifth largest advertising technology company in politics, receiving criticism for its involvement with the Trump 2020 re-election campaign. In November of that year, it had more than 940 million monthly unique active devices and has 5 billion daily transactions, and had raised more than $120 million in capital since its founding.