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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…

• AlfaNumTTS SER (4.3@100) Ǥ 7 LastUpdate: 2021-03-25 Serbian
• Text To Speech (TTS) (4.1@8,101) 6 2
• Auto TTS (4@589; ~EUR 9.50) Ǥ 1 auto switch TTS engine to the correct language based on text
• Speech Services by Google (3.7@3,481,552) Ǥ 13
• RHVoice (3.7@1,038) 7 Github
• Text To Speech Tool (3.4@35) 0 LastUpdate: 2019-07-21 GitLab; not an engine itself, but sometimes helps to make engines available (e.g. for OsmAnd)
• Acapela TTS Voices (3@5,735) Ǥ 12
• VAJA Text-to-Speech Engine (3@391) 9 LastUpdate: 2019-01-09 English & Thai
• eSpeak NG Text-to-Speech (2.8@1,280) Ǥ 6 3
• Aharon Hebrew TTS (2.8@145) 5 LastUpdate: 2014-01-19 Hebrew & English; demo version
• Vocalizer TTS Voice (English) (2.7@8,424) Ǥ 8 2 50 languages (in-app purchase)
• eSpeak (2.6@223) 0 Github

Text-to-Speech converters

• T2S: Text to Voice/Read Aloud (4.3@30,707) Ǥ 11 3
• Text To Speech Synthesis (4.3@43) 0 LastUpdate: 2019-06-09 / Text To Speech Pro (4.2@26) 0 LastUpdate: 2020-04-28
• @Voice Aloud Reader (4.2@120,851) Ǥ 15 5 many formats: PDF & eBooks, Word, OpenOffice …
• Tell Me - Text To Speech (4.1@2,775) Ǥ 3 LastUpdate: 2021-06-12
• Narrator’s Voice - TTS (3.8@1,184,701) Ǥ 25 13
• Speech To Text Converter (3.8@31,139) Ǥ 12 3
• Homework Dictator ❤️ Ultimate (3.8@12) 5 2 LastUpdate: 2020-03-02
• Text to Speech (TTS) (3.7@15,624) Ǥ 6 1 LastUpdate: 2017-04-13
• Text to Speech (3.6@321) 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) (2.5@1,241) Ǥ 16 5 LastUpdate: 2020-08-30 uses online services for conversion
• Speech Synthesis (1@49) 2 LastUpdate: 2019-07-13
• TTS Util (0@0) 2 Github
• Woord Text to Speech (TTS) (0@0) 0 LastUpdate: 2020-05-07

Voice-to-Text converters

• Speechnotes - Speech To Text N (4.4@28,520) Ǥ 13 2
• Voice Notes (4.3@23,891) Ǥ 12 3
• Voice Notebook speech to text (4.3@16,901) Ǥ 14 2
• Kõnele (4.1@218) 6 Github; Speech-to-text provider
• Speech To Text Converter (3.8@31,139) Ǥ 12 3
• Voice Typing Keyboard Easy App (3.8@12,177) Ǥ 7 7
• Speech To Text | Voice To Text (3.8@296) 6 1
• Speech Text & Text Speech - wi (3.5@881) 6 1 LastUpdate: 2021-06-22
• Speech To Text (3.4@5,918) Ǥ 7 2 LastUpdate: 2020-04-08
• Kõnele service (0@0) 3 LastUpdate: 2020-12-16 Github