Trengo is a Dutch live chat software. They offer apps for Android, iOS, macOS and Windows.
Pricing
Trengo doesn't offer a free plan and the paid plans start at 19€/month (15€/month billed annually).
Read more on the pricing page of the service.
Other products in category Live chat software
Lime Connect is a live chat software from Germany with a large feature set and a strong focus on GDPR. Some of the features offered are video calls and screen sharing direct in the browser, automatic translation, a chatbot and many integrations with services like slack or whatsapp.
Crisp Chat is a French live chat software, with chatbot and many integrations.