Life & fun · alternatives · 2026

24 alternatives to Lemmi

An assistive text-to-speech (AAC) app

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Lemmi launched in 2021; newer entries below may have overtaken it.

1. 1
   Jabberwocky AAC▲68

   Communicate through text to speech by moving your head

   2019 · its alternatives →

2. 2
   AssemblyAI - Speech-to-Text API▲996

   APIs to automatically transcribe and understand audio

   2017 · assemblyai.com · its alternatives →

3. 3
   AAC Bestie▲70

   Communication app for those who lost their voice

   2018 · its alternatives →

4. 4
   Tribe 1.0▲619

   Walkie-talkie re-invented

   2015 · its alternatives →

5. 5
   api.ai▲301

   Build your own Siri. Speech interface for apps and devices.

   2014 · its alternatives →

6. 6
   Ava▲536

   Making conversations accessible for the deaf

   2016 · its alternatives →

7. 7
   TalkTastic for macOS▲520

   Context-aware voice keyboard for any app

   2024 · talktastic.com · its alternatives →

8. 8
   AAC Bestie 2.0▲81

   A communication app for kids with autism

   2019 · its alternatives →

9. 9
   Gan.AI TTS Model & API Playground▲344

   First TTS model to support all 22 Indic languages + English

   2024 · its alternatives →

10. 10
    Wispr Flow for Android▲442

    AI dictation that turns messy speech into polished text.

    Feb 2026 · wisprflow.ai · its alternatives →

11. 11
    OASIS AI▲369

    Transform speech into perfect writing

    2023 · its alternatives →

12. 12
    Voice Overlay for Android and iOS Devs by Algolia▲86

    Add speech to text to any app in minutes

    2018 · its alternatives →

13. 13
    Articula▲171

    Speak any language with your own voice

    2024 · apps.apple.com · its alternatives →

14. 14
    Otsimo Speech Therapy▲108

    Voice-controlled & video modelling based speech therapy app

    2019 · its alternatives →

15. 15IM
    I made an open source and local translation app▲236

    A few years ago, right after high school, I decided to try to make a simultaneous translation app for Android as a side project, it took longer than expected (about 2 years) and I had to make a lot of compromises (I had to use Google's API and therefore make users use a developer key because at the time there were no free solutions for speech recognition and translation that had good quality). At the end of university, I decided to pick it up again and finally, using OpenAi's Whisper for speech recognition and Meta's NLLB for translation (with both running locally on the phone), I managed to…

    2024 · github.com · its alternatives →

16. 16
    BoldVoice 2.0▲196

    Accent coaching app for non-native English speakers

    2021 · its alternatives →

17. 17
    Kyutai TTS▲181

    The voice for your real-time AI applications

    2025 · kyutai.org · its alternatives →

18. 18
    Kokori▲101

    Transform text to speech with a powerful macOS app

    Jan 2026 · kokori.app · its alternatives →

19. 19
    SpeakingAI▲131

    Practice speaking skills with personalized AI conversations

    2025 · its alternatives →

20. 20SA
    SpeakMyVoice – App for people with vocal or speech difficulties▲44

    2024 · speakmyvoice.com · its alternatives →

21. 21
    WhisperUI▲120

    Most affordable text-to-speech and speech-to-text service

    2024 · its alternatives →

22. 22
    Verbali presents: when AI meets AAC▲7

    Verbali is using AI to help non-verbal kids speak in seconds

    Nov 2025 · verbali.io · its alternatives →

23. 23
    VoiSistant▲80

    AI-powered speech to text, tts, & translation Mac app

    Oct 2025 · apps.apple.com · its alternatives →

24. 24
    Speechable▲56

    Multilingual text-to-speech app

    2021 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →