The subject of Engadgets review is "doing the basics better". Unfortunately I must disagree with this. iOS9 is better in some ways (e.g. the "insert attachment from dropbox" built into the email client is a brilliant addition), but in terms of the fundamentals, it is definitely a step backwards.On both an iPad 4 and an iPhone 5S, iOS9 is noticeably slower than iOS8 at every single interaction with the device.From the extra lag when you open all OS (or third party) applications, to the horrendous frame drops while switching between apps, or even just opening a folder of apps. The OS feels really badly optimized for the hardware. "Polish" is meant to be one of apples key strengths!On the iPad 4, apple decided it wouldn't get any of the new multitasking features, not even the simplest "picture in picture" mode which even the iPad minis got. I don't buy that this is a hardware limitation as both the youtube & facebook apps have managed to implement this successfully within their own apps! I can already watch a youtube video then minimise it and search for something else. Why have google been able to achieve what apple can't on the iPad4 hardware?!I'm normally defensive of the benefits of the apple "walled garden" ecosystem, it's usually not much of trade off, I still feel I can do 95% of what I can do with an Android device with the added bonus that things "just always work" and you don't have to deal with Malware or other bullshit. But recently I have to question apples competence on this, Apple have recently banned various app developers (e.g the makers of various "speed camera notification" apps that I use) from releasing updates to their apps in the App Store! Plus there was the recent fake xcode malware issue where 300+ apps were found to be affected.In my view if iOS starts losing feature parity with Android because Apple are overzealously banning legitimate apps, while simultaneously approving 300+ apps that contain malware, it makes me feel at some point their competence started slipping away.