Does not function (likely not compatible with latest iOS)
Response from developer
Did you follow the tutorial? I didn't receive a support request email: happy to help.

Archived App
This is an archived listing of the app previously available on the App Store.Securely manage Bitcoin multisignature keys using your iOS device. Combine your iPhone or iPad's Secure Enclave with other hardware wallets for enhanced Bitcoin storage. Try it for free on test networks before upgrading to a subscription for real coin management.
1.0.7
November 27, 2022
There should be no noticeable change. Under the hood the libwally-swift library has been updated to v0.0.7.
Did you follow the tutorial? I didn't receive a support request email: happy to help.
NthKey is used to add your iPhone or iPad's Secure Enclave to a Bitcoin multisignature setup. It helps manage keys and sign transactions when combined with other hardware wallets.
You can try NthKey for free using Bitcoin's testnet and signet networks. A subscription is required to use it with real Bitcoin.
The provided data does not indicate that NthKey contains advertisements.
NthKey is supported on iPhone, iPad, and iPod devices.
NthKey utilizes your device's Secure Enclave for key management, which is a hardware-based security feature. The app also emphasizes no vendor lock-in, allowing recovery phrases to be imported into other hardware wallets.
NthKey was last updated on November 27, 2022, with version 1.0.7.
NthKey has an age rating of 4+, making it suitable for a wide range of users.
No, NthKey is not a full-fledged wallet. Its sole purpose is to sign transactions and verify receive addresses within a multisig setup, and it recommends using applications like Specter Desktop for full wallet functionality.