Many popular apps no longer support iOS 9, but older versions still work:
Legacy Apple devices like the iPad 3, iPad Mini 1, iPhone 4S, and iPod Touch 5 are famously locked to iOS 9.3.5 or iOS 9.3.6. While Apple has long abandoned these devices, they remain highly capable for e-reading, retro gaming, media playback, and dedicated smart home control. ipa library ios 9.3.5
Use a tool like Phœnix (specifically designed for iOS 9.3.5 32-bit devices) to jailbreak your hardware. Many popular apps no longer support iOS 9,
Tap the IPA file and select from the top-right corner. Method 3: Legacy AltStore / Cydia Impactor Alternatives iPad Mini 1
Finding software for iOS 9.3.5 is a common challenge for owners of legacy devices like the iPad Mini 1