Join the Beta Testing Program

Shou strives to bring best experience for our users. Shou welcome your feedback on our products.



Every Android user could join the beta test freely, just click the link ( to participate.


iOS Viewer

Send your Apple ID to, when we invite you to join the beta test, you'll receive an invitation, and you need to install TestFlight to start the testing.



Download Mac version from



Coming soon.



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