Based on our record, Fonoster 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.
There's a service that's open source for full on features if that helps, here it is: https://fonoster.com/. Source: 12 months ago
Sonar - 2-way chat with your customers over SMS and FB Messenger
ProTexting - ProTexting offers mobile marketing tools for businesses to communicate with their audience via SMS & MMS campaigns.
Adamant Messenger - The most secure and anonymous messenger, encrypted with Blockchain
ShoutOUT - All in one business texting tool to send personalized alerts, promotions, reminders, short links and marketing campaigns, for any SMEs (hotels, restaurants, education, non profits, Woocommerce, banks, healthcare, agencies, supermarkets, weddings)
Tlkn - Beautiful, super simple VOIP App for iOS and Android
Clickatell - Simple, reliable mobile messaging cloud.