Based on our record, iMessages + Apps seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
When you say 'messenger app', do you mean imessage, facebook's messenger app,or some other proprietary software for your work? If imessage, you can sign up for a developer account and just build an app/app extension that way? Apple developer. Source: over 2 years ago
Dialogflow - Conversational UX Platform. (ex API.ai)
Amio - Amio is an easy-to-use conversational AI platform that enables the creation of highly reliable chatbots.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Upcado - Super easy to use Messenger Marketing tool for your business
Botpress - Open-source platform for developers to build high-quality digital assistants
Zeel - Same-day, in-home massage, from the leaders in on-demand wellness.