Based on our record, Spoke Phone seems to be more popular. It has been mentiond 2 times 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.
Check out SpokePhone - they allow you to bring your own Twilio account and their SMS is built on top of the Conversations API: https://spokephone.com/. Source: about 1 year ago
For this basic setup then I wouldn't go for Twilio Flex, or better if you still want to got for Twilio, I suggest you have a look at spokephone.com a solution built on top of Twilio, but more use friendly and ready to use. There are also other competitors with similar products on the market. Source: over 1 year ago
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