Disclaimer: Jailbreaking voids your warranty (though your iPad 4’s warranty expired years ago). It is legal in most countries under the DMCA exemptions for interoperability. The author is not responsible for data loss or device bricks. Proceed at your own risk.
There are dozens of websites claiming "iPad 4 jailbreak 10.3.4 no computer." These are scams. They will ask you to install a configuration profile that spams you with ads or steals data. ipad 4 jailbreak 10.3.4
: This allows you to install older .ipa files of apps that are no longer on the App Store. Proceed at your own risk
Use Cydia Impactor or AltStore to install the IPA file to your iPad. : This allows you to install older
You will need a computer (Windows or Mac) and a reliable Lightning cable. The Best Tool: h3lix