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Download apk files is safe?

 
Greenhorn
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Recently,  i found a site called top1apk. This site offers lots of games and interesting apps. There is an app called Popcorntime that i really want. However, i'm afraid that it's not safe for my phone. Anyone has experiences before? Is apk file safe?
 
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As an Android developer, I'm quite annoyed that my app gets uploaded on these unauthorized sites without my approval. I understand that Google's Play Store is not available everywhere, e.g. in China, or on devices from manufacturers that have not licensed Google's apps. I have examined a number of them, and the APK seems to get uploaded unaltered on most of them - so they're OK to use. But I can see from my monitoring that there are versions of my app out there that have been altered, probably to add advertising, but possibly for other, more nefarious, reasons as well. So you should be cautious when you use 3rd party APK sites.
 
Saloon Keeper
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If you want an APK that's not available from Google Play, then you will want to get it from some sort of official source where you can verify that the file's hash corresponds to the one that the developer published.

If you got the APK from another source, it's probably pirated, hacked or illegal to use.
 
Marshal
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. . . and welcome to the Ranch
 
Saloon Keeper
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And again, welcome!

An APK is the OS package format for Android. It bundles a complete executable application (usually), and as such, can do any evil thing that you could make an application do.

A good-quality APK repository like the Google Store will (allegedly) vet apps for safety and often link them to hash values designed to detect tampering. A bad quality APK reposititory could contain anything. So it's best to check for quality before downloading and installing from unknown sources.
 
Greenhorn
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I found the application Metadefender in apknite, it will help scan the apk file is safe or not
 
Tim Moores
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I found the application ... , it will help scan the apk file is safe or not


But how will this app itself be deemed safe before installation?
 
Greenhorn
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The Importance of Choosing a Safe APK Site. An APK file (short for Android Package) is the primary way Android apps are distributed and installed. When you download an app from Google Play, you're downloading and running an APK file in the background, but you have no access to the APK itself.
 
Tim Moores
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When you download an app from Google Play,... you have no access to the APK itself.


It's quite easy to pull the file from the device, though, and then upload it elsewhere - which is why all those APK download sites get them.
 
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