TunnelBear is a VPN service that routes a device's internet traffic through an encrypted connection to a VPN server. It offers apps for iPhone and iPad, Android, Mac and Windows, plus a browser extension and a blocker. It is delivered as hosted SaaS; self-hosting is not possible and the software is not open source.
TunnelBear is operated by TunnelBear LLC, which presents itself as based in Toronto, Canada. Since March 2018 it has been owned by the US company McAfee, which according to Wikipedia brought the service under US jurisdiction; that is the CLOUD-Act signal for this provider. In its privacy policy TunnelBear states that it does not store personal data outside Canada, that Canadian law applies, and that it does not log IP addresses, DNS queries or the websites visited. These are the provider's own statements. For a European organisation, both the operator and the owner are outside the EU, and the VPN servers are located in many countries. Anyone using a VPN to shield traffic therefore relies on the no-logs commitment of a non-European company.