Playstore
APKCombo - APK Downloader might be a bit more popular than G-Droid. We know about 1 link to it since March 2021 and only 1 link to G-Droid. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
You can try G-Droid for this. It's available on F-Droid as well. Source: about 1 year ago
In the future, you can get the apk from the Play Store yourself even if you are geoblocked. Copy the url of the app from the Play Store, and enter it on this site . It'll download the apk for you. Source: almost 3 years ago
F-Droid - F-Droid is an interesting alternative for Android users who want to try something different and not have to use the Goole Play store all the time.
APK Pure - Download apk for Android with APKPure APK downloader. NoAds, Faster apk downloads and apk file update speed. Best of all, it's free
Aurora Store - Aurora is a FOSS Play Store client that does not require a Google Account to download directly from Play Store. However you can login with your Google Account to download your already paid apps!
APKMirror - Android Market and APK Downloads
Aptoide - Aptoide is a third party replacement for the traditional Google Play Store.
APK Installer - APK Installer is an Android manager app for Android that allows you to install and manage apps.