[saxenaabhi]

It probably is violating the ToS. But would like to know more.

[jackdh]

Unlikely, I've used apps similar to this such as passbook [0] for a while now and they're still up.

[0] https://apps.apple.com/us/app/passbook-wallet-pass-creator/i...

[saagarjha]

Nothing wrong with signing a pass