What is available.
Cardsmaxing 1.2.9, build 20, 1.2.9-stripe-paywall-sandbox-qa1 is a QA/test build targeting macOS 14 or later with arm64 and x86_64 binaries. Intel runtime remains unverified. The named installer is Cardsmaxing-1.2.9-stripe-paywall-sandbox-qa1.dmg, 5,267,423 bytes. Check the displayed filename, size and SHA-256 checksum.
Signing and test status.
This QA/test build is ad-hoc signed, not Developer ID signed or notarized. Payment checkout does not work in this downloadable candidate: it points to a stopped loopback QA service. No production payment claim is made. Intel runtime and physical-phone regression remain unverified.
Install deliberately.
Finish any active transfer before quitting an older copy. Open the DMG, drag Cardsmaxing to Applications, then open Cardsmaxing from Applications. The branded window contains the app and an Applications link. It retains the existing bundle identity and preference keys; installing a test build does not imply a fresh separate data store. This installer remains ad-hoc signed and is not notarized.
Before you connect a phone.
Read compatibility evidence and the relevant workflow. A website download, Mac preview or build check does not establish a successful phone operation.