Android os is one of the best smart phone operating system and only one which is capable of competing with apple ios.
Low battery life – by surveys it has been revealed that the free apps use more battery than the paid ads. One of the possible reasons is the ads shown while running apps.
Ads cause more trouble – ads may grain your battery life which can be rechargeable but what if they invade your privacy.
The third party ads which run in apps may be insecure and also contain malware. Google as the biggest advertising network and one can expect it to tackle it but what if the third party ads aren’t from google but some other source. It estimated as much as five percent of those free apps have spammy ads that may be parceling out your information to third parties according to CTO Kevin Mahaffey.
Google insecure android platform – Google as taken great deal of measure to make their android platform secure and free from malware but it android store as more malware apps than the iphone does. With current policy from google it is easy to create a malware app than iphone.
Apple test each and every app before they are brought into app store, google needs to do lot more to achieve apple success.