To recover deleted notes from iPhone, iPhone data recovery is definitely the best tool to do the recovery. No matter you backup the notes to iTunes, iCloud or not, this tool can help you recover the deleted notes from your iPhone and the backup files safely and easily.

The following guides are for your reference:
http://ipadiphonedatarecovery.jimdo.com/20**/*0/2*/how-to-recover-deleted-photos-from-iphone-5-4s-4/
http://xavc-to-fcp-converter.jimdo.com/20**/08/24/how-to-recover-deleted-text-message-from-iphone/