Work · alternatives · 2026

24 alternatives to Duella

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Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   Debate on the Daily▲75

   Cross-platform mobile app to foster public speaking skills

   2021 · its alternatives →

2. 2
   Contra 2.0 — Vote, Debate, Learn▲102

   A slick app for voicing your most honest opinions

   2017 · its alternatives →

3. 3
   Debate Devil – AI debating practice app▲84

   Hi HN community! I am excited to share my recently upgraded website, DebateDevil (https://debate-devil.com), an AI chat platform designed to help users practice debates, challenge their ideas, and expand their thinking. I created this site to provide a more objective opinion and help users consider their hypotheses from multiple perspectives. example discussin: ``` AI: The time has come to test your hypothesis and beliefs. I will argue against any topic. What do you want to debate? You: AI will take away most jobs from humans. AI: I understand your concern about AI taking away jobs…

   2023 · debate-devil.com · its alternatives →

4. 4
   debate AI▲297

   debate smarter with AI

   2024 · debateai.net · its alternatives →

5. 5
   Mixmind▲137

   Chat app that matches strangers with opposite opinions

   2018 · its alternatives →

6. 6
   MindDuel - AI Debate Practice▲5

   Debate with AI on different topics and ace your skills

   Jan 2026 · play.google.com · its alternatives →

7. 7WC
   Watch ChatGPT debate itself on a given topic▲94

   2023 · opinionate.io · its alternatives →

8. 8
   DebateAI.app▲13

   Watch AI models engage in structured debates on any topic

   2025 · debateai.app · its alternatives →

9. 9
   DebatesClub▲72

   Chatroulette for election debates. Be #1 in the leaderboard

   2016 · debatesclub.com · its alternatives →

10. 10
    Collective Debate▲82

    Have a debate with an AI.

    2018 · its alternatives →

11. 11
    Debatia▲14

    An AI judged online debate platform

    2024 · debatia.ai · its alternatives →

12. 12
    The Debate and Discussion App▲6

    Opinito - Discuss with like-minded. Debate with Opposite.

    2021 · play.google.com · its alternatives →

13. 13
    DebatoMate▲100

    Your self-hostable AI debate companion

    2023 · squidandfish.gumroad.com · its alternatives →

14. 14
    Debater▲1

    Debate your view on popular topics

    2021 · joindebater.carrd.co · its alternatives →

15. 15
    DebateGPT▲6

    Turn any topic into an AI-powered debate.

    2025 · debategpt.ai · its alternatives →

16. 16
    Compare - Create Polls & Vote▲68

    An app for creating polls with friends

    2021 · apps.apple.com · its alternatives →

17. 17
    Rival▲72

    Challenge & wager in games you already play and win prizes

    2020 · its alternatives →

18. 18
    Down2Debate▲3

    Debate against AI and sharpen your thinking

    Mar 2026 · down2debate.com · its alternatives →

19. 19
    Opinionate▲88

    Settle debates, form opinions, and challenge your ideas

    2023 · its alternatives →

20. 20
    QallOut▲92

    Freestyle, head-2-head debate competitions over live video

    2017 · its alternatives →

21. 21
    The Contender▲66

    The game of political debate

    2015 · its alternatives →

22. 22
    Duels ⚔️▲41

    You don’t have to play with yourself anymore!

    2023 · thndr.io · its alternatives →

23. 23
    Debatervote▲7

    Your favorite debate platform

    2025 · its alternatives →

24. 24
    Woo It Boo It▲6

    Opinion without diplomacy

    2017 · 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 →