AppViz is described as 'OS X desktop app that downloads your iPhone app sales data and presents it in a number of ways'. There are more than 25 alternatives to AppViz for a variety of platforms, including Online / Web-based, iPhone, Mac, Windows and Android. The best alternative is Mautic, which is both free and Open Source. Other great apps like AppViz are Salesforce (Paid), Pipedrive (Paid), insightly (Freemium) and Salesflare (Paid).
BuzzFlow is an online web CRM that tightly integrates with G-suite. It's also available inside Gmail inbox. It is unique in tagging live email conversations to deals. Visual pipelines helps you succeed in sales with activity based selling process.