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Speech synthesis (TTS) & Speech recognition (STT)

TTS Engines

„Engines“ provide the speech synthesis service to other apps. Most Android devices ship with Google Text-to-Speech pre-installed (some with Pico TTS). Alternatives unfortunately got rare, or seem unmaintained…

• Text To Speech (TTS) (4.4@657) 5 5
• RHVoice (4.3@648) 7 Github
• AlfaNumTTS SER (4.3@95) Ǥ 7 Serbian
• Auto TTS (3.9@571; ~EUR 9.50) Ǥ 1 auto switch TTS engine to the correct language based on text
• eSpeak NG - with emoticons support (3.7@1,121) Ǥ 6 4
• Speech Services by Google (3.7@94) Ǥ 12 1
• Text To Speech Tool (3.6@27) 0 LastUpdate: 2019-07-21 GitLab; not an engine itself, but sometimes helps to make engines available (e.g. for OsmAnd)
• eSpeak (3.3@202) 0
• VAJA Text-to-Speech Engine (3.1@389) 10 LastUpdate: 2019-01-09 English & Thai
• Vocalizer TTS Voice (English) (3@7,556) Ǥ 8 2 LastUpdate: 2019-07-17 50 languages (in-app purchase)
• Acapela TTS Voices (3@5,410) Ǥ 12
• Aharon Hebrew TTS (2.8@145) 6 LastUpdate: 2014-01-19 Hebrew & English; demo version
• Flite TTS Engine (0@0) 3 LastUpdate: 2016-11-08 Github

Text-to-Speech converters

• Narrator’s Voice - Text-to-Speech TTS (4.5@1,035,404) Ǥ 24 14
• @Voice Aloud Reader (TTS Reader) (4.4@109,247) Ǥ 12 5 many formats: PDF & eBooks, Word, OpenOffice …
• T2S: Text to Voice - Read Aloud (4.3@20,190) Ǥ 9 4
• Text To Speech Synthesis (4.3@43) 0 LastUpdate: 2019-06-09 / Text To Speech Pro (4.2@26) 0
• Speech To Text Converter - Voice Typing App (4.2@28,084) Ǥ 12 4
• Tell Me - Text To Speech (4.2@2,292) Ǥ 3
• Speech Synthesis (4@49) 2 LastUpdate: 2019-07-13
• Homework Dictator ❤️ Ultimate Text to Speech (TTS) (3.8@12) 5 2 LastUpdate: 2020-03-02
• Text to Speech (3.4@272) 5 1 LastUpdate: 2019-11-26 / Text to Speech Pro (3.4@5; ~EUR 3.00) 7 LastUpdate: 2019-01-21
• TextToMp3-text to speech(TTS) (1.7@1,097) Ǥ 16 5 uses online services for conversion
• Speech to text Pro (0@0) Ǥ 7 2 LastUpdate: 2020-02-21
• TTS Util (0@0) 2 Github
• Woord Text to Speech (TTS) (0@0) 0

Voice-to-Text converters

• Voice Notebook - continuous speech to text (4.5@13,708) Ǥ 13 3
• Voice Notes (4.3@21,923) Ǥ 10 4
• Voice Typing Keyboard All Languages Speech to Text (4.3@9,626) Ǥ 12 4
• Speech To Text | Voice To Text (4.3@263) Ǥ 7 5
• Speech To Text Converter - Voice Typing App (4.2@28,084) Ǥ 12 4
• Kõnele (4.1@218) 6 Github; Speech-to-text provider
• Speechnotes - Speech To Text Notepad (4@26,275) Ǥ 11 3
• Speech Text & Text Speech - with Amazing Features (3.9@879) 6 1
• Speech To Text (3.8@5,282) Ǥ 7 2
• Kõnele service (0@0) 3 Github