Question: I'm looking for a way to track app versions and adoption rates to improve my release strategy.

If you want to monitor app versions and adoption to fine-tune your release cadence, TelemetryDeck is worth a look. The analytics service offers real-time, accurate and private data to help developers make the best decisions about their apps. It includes app version tracking, user insights, funnels, custom data analysis and visual query editors. It supports multiple platforms, including iOS, Android and React Native, and offers a simple setup process and GDPR and CCPA compliance.

Another contender is Appfigures. This mobile app optimization platform offers analytics and intelligence to help you get ahead of the competition. It includes app analytics, App Store Optimization (ASO) tools, app intelligence and tracking for various performance metrics like downloads and revenue. Appfigures also offers keyword research and rank monitoring so you can make data-driven decisions to boost your apps.

If you want a broader view of the mobile app market, AppstoreSpy offers a lot of data by scrutinizing millions of apps. It includes Market Explorer, Niche Finder, AppTimeline to monitor competitors' changes and a Chrome Extension for live app data. It's geared for developers, marketers and researchers, with several pricing tiers and plans for different needs.

Last, Apptopia offers a data intelligence platform with tools to analyze competitors and research markets. It offers performance data, ad data, SDK data and audience insights, all through the Nightingale Model. The service updates data daily, giving you insights into user behavior and engagement that's useful for investors, brands and sales teams trying to accelerate growth and make business decisions.