Installing ipa without jailbreak is now a very common search on Google and many other search engines. By the way you could only search for such things only when you want a paid application from appstore to be freely installed on your iOS device without jailbreaking it up. I have the perfect solution in which you can get the paid app for free and get free updates from the apple appstore without jailbreaking it. No need to download software or get yourself in a lucky draw. These are mind-numbing stuff. But down here is the perfect guide for you to get your wish come true.
Guide to install paid apps for free
Step 1: Go here on your iOS device Tap Here
Step 2: Then tap on PLAY (it will install a profile on your device)
Step 3: It will redirect to freeappslots. Then tap on SPIN
Step 4: The credits you get after spinning will gain you prizes.
Step 5: Accumulate much credits to win amazing stuff. If you need more spins then just install one of their sponsored apps FREE. There are many (all free)
Step 6: Cash out your credits and download top paid apps for free. Or any app for free. There are BIG prizes like Amazon coupons, iTune gift cards, iPod touch, iPad mini and iPad. This is a easy win way to do it.