Card collecting tools with Duo layout improvements in version 2.3
Does Grade Ready: TCG Collector Hub work on iPhone Duo?
Yes, the developer says so: version 2.3 makes changes for the app to fully support iPhone Duo. The notes don't describe individual folded or open layouts.
- App Store confirmedJustin Powers, the developer, in the App Store release notes for version 2.3 (released October 12, 2026), which say changes were made for the app to fully support iPhone Duo, along with improved layouts for larger displays, screen rotation and resizing. The developer's changelog says the same.
Adapted for the fold
We're waiting on details of exactly what Grade Ready: TCG Collector Hub changes for the fold. Are you the developer? Tell us.
About Grade Ready: TCG Collector Hub
Grade Ready combines card research, condition reviews and collection tracking for trading card collectors. Version 2.3 brings clearer layouts and easier navigation, and says the app now fully supports iPhone Duo.
Evidence reviews
What we checked, when, and what the evidence establishes. Each record preserves the support label at that check.
· App Store page reviewed
App Store confirmed · iphone-duo
The App Store release notes for version 2.3 (released October 12, 2026) mention iPhone Duo: "Implemented changes for the app to fully support iPhone Duo."
App version: 2.3.
Store text only: we haven't seen the app running, and the store page doesn't show how each pose is used.
View reviewed evidence ↗
Related guides
The best iPhone Duo apps so far (October 2026)
The apps worth installing now that iPhone Duo is on sale, from the apps Apple named as launch partners to indie apps whose developers have shown a real iPhone Duo layout, picked for what they do when you open the phone.
Do your apps work on iPhone Duo? What happens before they're updated
Every iPhone app opens on iPhone Duo, but only updated ones fill the inner display. What an app looks like before its developer adapts it, how to tell which are ready, and which popular apps have said so.
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Sources: Grade Ready's changelog (gradereadyapp.com) · Grade Ready on the App Store (apps.apple.com)
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