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Re: promo codes

They are unnecessary on Android. If you want to give your app to someone, you send them an email with a link to an APK and they install it directly.

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Then they do not receive updates (unless I send everyone on the distribution list a new APK via email).

APKs receive updates from the Google Play Store - at least free apps do in this respect

Well you wouldn't need a promo code for a free app, so that doesn't really solve the problem. Also, you can give out promo codes over the internet, but I wouldn't just install any .apk someone sent me.

It's hardly the same thing.

And have to have every update sent to them by email as well.

Just have the app detect that there's a new version available (via a call to your server) and prompt the user to download the new apk.

I run betas of the BeyondPod app, and it does exactly this perfectly well.

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