AI · alternatives · 2026

24 alternatives to SigNN - Realtime ASL Alphabet Translator

The first app to offer real-time ASL alphabet translation.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. SigNN - Realtime ASL Alphabet Translator launched in 2020; newer entries below may have overtaken it.

1. 1
   Basics of Sign Language▲61

   User friendly app to learn sign language

   2022 · play.google.com · its alternatives →

2. 2
   Google Translate▲296

   Translate languages in real-time on your mobile phone

   2015 · apps.apple.com · its alternatives →

3. 3
   Deaf Alphabet▲100

   Convert plain text into sign language

   2020 · deafalphabet.com · its alternatives →

4. 4
   Ace ASL by SignAll▲91

   AI-based app providing immediate feedback on signing

   2021 · its alternatives →

5. 5
   Signspell▲74

   Real-time ASL alphabet recognition in py ,pip install and go

   Jun 2026 · pypi.org · its alternatives →

6. 6
   SLAIT School▲76

   AI tutor for American Sign Language (ASL)

   2023 · its alternatives →

7. 7
   Hand Wave▲127

   Turn sign language into speech with smart glasses

   Aug 2026 · handwave.sh · its alternatives →

8. 8
   Phone Call Translator▲368

   Translates your voice calls into 29 languages in real-time

   2020 · lingvanex.com · its alternatives →

9. 9
   Silent Interpreter ▲11

   Communication Should Never Need A Translator

   Aug 2026 · dora-hacks-o2qf.vercel.app · its alternatives →

10. 10
    LangAI▲252

    The most natural way to learn a new language

    2024 · langai.io · its alternatives →

11. 11
    Anytalk▲316

    Real-time video and audio translation app

    2024 · its alternatives →

12. 12
    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 →

13. 13
    Uber Sign Language▲209

    Start a conversation in American Sign Language.

    2017 · its alternatives →

14. 14
    SignCall▲7

    Dukung Komunikasi, Pahami Bahasa Isyarat

    2025 · its alternatives →

15. 15
    MotionSavvy▲75

    You sign, it speaks. Translating sign language to speech.

    2014 · its alternatives →

16. 16
    Sign Bridge ai▲5

    Live sign translation available in ASL, BSL and AUSLAN

    Nov 2025 · sign-bridge-ai-copy-33cfaa0a.base44.app · its alternatives →

17. 17
    ISSEN▲211

    Your personalized AI voice language tutor

    2025 · issen.com · its alternatives →

18. 18
    Krisp Voice Translation API▲275

    Real-time speech-to-speech translation API

    Jun 2026 · krisp.ai · its alternatives →

19. 19
    ASL Classifier Built with CoreML and Roboflow▲43

    Demo project of American Sign Language classification using CoreML - narner/ASL-Classifier-Demo

    2021 · github.com · its alternatives →

20. 20
    Signs▲172

    Breaking down communication barriers with AI

    2025 · signs-ai.com · its alternatives →

21. 21
    Ace ASL▲4

    American Sign Language (ASL) learning app

    2021 · play.google.com · its alternatives →

22. 22
    Sign AI▲157

    An AI-powered virtual sign language interpreter

    2024 · sign-ai.com · its alternatives →

23. 23
    Fingerspelling▲94

    ASL Alphabet with machine learning

    2021 · fingerspelling.xyz · its alternatives →

24. 24
    Sign Language Translator▲7

    Convert english to asl

    2025 · sltranslator.com · 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 →