Poly Duo (C1M)
Two AIs, one question: a five-minute lesson in checking sources
Mirror one iPhone to the board. ChatGPT answers, Claude checks, and the class sees exactly where they disagree. Every disagreement becomes a source to look up.
Get Duo — freeiPhone Get Duo — freeAndroid
On iPhone? Get the Duo shortcutOn Android? Get Duo on Google Play
iPhone · iOS 18+ · ChatGPT and Claude apps, free accounts are enough · Android: Google Play
One answer in three blocks
“Can you see the Great Wall of China from space?”
Both agree
Not with the naked eye from the Moon.
Where they differ
Low orbit, under ideal conditions.
Check yourself
NASA astronaut accounts, the original photos.
For your class
- Free, no student accounts
- Nothing to install for students
- Every disagreement becomes a source to look up
- Discussion: which answer would you trust, and why?
- Discussion: what would count as a good source here?
Three steps
- Tap the buttonIt opens the right download for your phone.
- Add itiPhone: tap Add, then tap the Duo tile — it starts. iPhone asks permission about 5 times: tap “Always Allow” each time, right away. Android: install the Poly app, Duo is inside.
- Ask your questionChatGPT answers, Claude checks, and you get the three blocks above. About a minute.
In the Poly app: Duo and even stronger things
Everything on this page, plus much more, especially if you have a laptop
AndroidGoogle PlayiPhone · soonApp Store
Everyone · Students · Parents · Lawyers · Journalists · Librarians · Health · Small business
Won’t open on iPhone? Download the file
The file goes to Files → Downloads — open it there and tap Add
Open source: Code on GitHub