If you're looking for a keyboard app that's got speech-to-text interface and multiple languages, there are a few options worth checking out. Auri is a full productivity suite that includes a multilingual AI Keyboard that works with more than 80 languages. It's also got a voice dictation system and an AI Chat feature for coming up with ideas and setting reminders. The service works on iPhone, iPad, Mac and Apple Watch, and a free version has most of the features with daily limits and a Pro subscription that costs $9.99 per month.
Another good option is superwhisper, an AI-powered voice-to-text app for macOS that works with more than 100 languages translated into English. It's got custom word recognition and private data processing, so it can be used for everything from taking notes to answering email to programming. superwhisper offers both free and Pro tiers, so you can pay what you want.
If you want to communicate in the language of the people you're talking to, ClusterDev has Vernacular Keyboard Apps that work with multiple languages using proprietary transliteration technology and speech-to-text. It's got stickers and GIFs, too, so it's a fun way to communicate, too. It's available as mobile apps and has been downloaded more than 100 million times with a 4.5-star rating.
Last, Talknotes offers AI-powered note-taking with transcription in more than 50 languages. It's available for iOS and Android and lets you organize your notes with a variety of formats and export to different document formats. It's good for brainstorming, content creation and voice journaling. The service offers subscription plans with unlimited notes and customization.