Question: I'm looking for a way to increase user engagement and retention in my app without requiring developer involvement - can you suggest a solution?

If you want to boost user engagement and retention in your app without bothering developers, CustomerGlu is a powerful option. This plug-and-play gamification service lets you create and run in-app campaigns with more than 50 prebuilt templates. It's got rich gamification constructs, fast setup, in-app nudges and near real-time analytics. It can be added to mobile apps and desktop websites, so it's good for e-commerce and fintech businesses.

Nudge is another good option that lets product and growth teams build native user interfaces without developers. It's got a library of modules for improving user experience, including Stories & Videos, Nudges, Gamification & Rewards and Surveys. With customizable templates and native experiences, Nudge can be used to drive growth and revenue. It can be integrated with tools like Snowflake and Clevertap so you can track data and optimize user adoption and retention.

Last, Reteno has a user retention service that can send personalized, omnichannel messages across eight notification channels. It lets marketers create and run campaigns without developers. With features like event-driven campaigns, personalization and segmentation, Reteno can help you turn inactive users into active customers. It can be integrated with Firebase and BigQuery for detailed segmentation and messaging, so it's a good option for businesses trying to get more out of their users.