Marmalead might be a bit more popular than SlideME. We know about 1 link to it since March 2021 and only 1 link to SlideME. 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.
I used to make use of http://slideme.org/ to get apps for my outdated (and not able to connect to playstore) tizzbird f10 years ago when support got dropped for android 2.3.5. Source: about 1 year ago
I don't use any of the paid online services, like Marmalead, for SEO keywords but hopefully others will contribute their experience. Source: over 1 year ago
Amazon Appstore - The Amazon Appstore is a place to purchase and download apps for your Android device.
Sellzone - Sellzone is the web-based platform, designed and produced by Semrush, that provides the tools to run the store and sell the products on Amazon successfully.
GetJar - Discover and play paid apps and games for free.
Sale Samurai - Sale Samurai is a web-based platform that provides the tools to manage the SEO of your e-commerce brand.
Aptoide - Aptoide is a third party replacement for the traditional Google Play Store.
EtsyHunt - Backed by lots of top Etsy shop ideas, EtsyHunt builds tools that make Etsy SEO, products research, Etsy listing and tag optimization easy. Get it for free now!