Adapty is a one-stop service for growing mobile in-app subscriptions, including

• Price testing for paywalls on the fly. Test different prices, durations, offers, messages, and designs simultaneously, all without new app releases.
• Win back subscribers. Return churned subscribers with promotional trigger-based push notifications.
• Get your customer's payment history. Explore user's payment events from starting the trial to subscription cancellation or billing issues.
• Forward in-app purchases events. Send subscription events to 3rd party analytics, attribution, and ad services with no coding. Even if a user uninstalled an app.
• Implement in-app purchases with no server code In-app purchases with server-side receipt validation in minutes. Apple Promotional Offers supported out-of-the-box.
• Analytics Start analyzing real-time metrics of your app with advanced filters, such as ad network, ad campaign, country, A/B test, etc.

Piar.io - SaaS tool for inbound/outbound marketing and sales. Piar.io helps you create attractive links and previews for any social networks and messengers, customize and personalize them, get detailed statistics on clicks and audience structure, analyze and compare different preview options.

Creating short links for posts on social networks and messengers. Links can be customized for more attractiveness and user-friendliness. By adding your own domain, you can create your own link.

Create attractive previews and customize each element, including images, headlines, and descriptions for all major social networks or messengers. Customizing and even personalizing the preview helps to get the most attention from the audience. Accurate and attractive link previews can boost clicks on your content and help you get the engagement you deserve.

Powerful statistics allow you to analyze not only the number of clicks on your link in social networks and messengers but also the structure of the audience: geodata (countries, cities), devices, platforms, browsers.

A/B testing of different preview options and easy comparison of results allows you to quickly test hypotheses and make optimal decisions about your interaction with the audience on social networks and messengers.