Duoworthy

Great Smoky Mountains GyPSy on iPhone Duo

Gypsy Guide GPS LLCTravelv3.7.2$19.99

LetterboxedChecked automatically

Great Smoky Mountains GyPSy isn't optimized for iPhone Duo yet: version 3.7.2 (Jun 26, 2025) predates the iOS 27 SDK, so it runs letterboxed. Checked automatically on Nov 10, 2026.

App Store

How the status was checked

Automatic check
Every day, from Apple's App Store data: the version, its date, and whether the listing has screenshots made for the Duo.
Duo screenshots
None on the current version.
Hand test
Not tested on a real iPhone Duo yet. A hand test covers five postures: cover, open, laptop, book and tent. How we test

Version and badge history

DateVersionWhat changed
3.7.2First check: no iPhone Duo screenshots
3.7.2Status: Letterboxed
3.7.2First seen (version 3.7.2)