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Poly Duo

Poly Duo

Your ChatGPT and Claude apps work together — one tap, free

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For the first time, your own ChatGPT and Claude apps work together on your phone — one tap, free. Any AI can sound sure and still be wrong. Poly Duo asks both the same question: each answers blind, then Claude compares and shows where they agree, where they differ, what to check yourself, and a bottom line. Free accounts work. iPhone via Apple Shortcuts; the code is open on GitHub. On Android, Poly Duo is in the Poly app on Google Play, with free AIs from other companies.

Poly Duo makers

Here are the founders, developers, designers and product people who worked on Poly Duo