Providing temporary use of online and mobile app software application employing advanced artificial intelligence (AI) technologies-including natural language processing (NLP), neural machine translation (NMT), and machine learning algorithms-for providing real-time, multilingual translation and communication services; featuring capabilities such as voice-to-voice simultaneous interpretation, text-to-speech synthesis, speech recognition, image-to-text conversion via optical character recognition (OCR), text-to-symbol translation (iconography), and comprehensive language-to-language translation across multiple communication modalities.