An IPA downloaded directly from the App Store is encrypted with Apple's FairPlay DRM. An encrypted IPA cannot be modified or repacked successfully because the modified binary will fail signature checks and refuse to launch.
Users generally look for repacked IPA files for several reasons: duet display ipa repack
Duet, Inc. occasionally runs promotions, student discounts, or bundle deals. Following their social media channels or newsletter can help you obtain a discounted license. An IPA downloaded directly from the App Store