"power automate" is a application building tool that is using logic apps under the hood
Power Automate vs Logic Apps | Microsoft Docs
Power Automate and Azure Logic Apps are workflow services that can automate your processes business or system and integrate with Microsoft and 3rd party services with over 300 connectors. These powerful services are designed to get you going quickly, building the workflow between business services providing that familiarity without having the steep learning curve.
Power Automate provides a user-friendly and focused experience within Office 365 that can easy to get end-users going once assigned an appropriate license.
Azure Logic Apps provide the same user-friendly designer surface similar to Power Automate with the option to build complex integration solutions, utilise advanced development tools, DevOps and monitoring, if required.
Both options aim to significantly reduce the effort and quickly build and automate processes between services, allowing you to focus on higher-value tasks.
Power Automate: Office 365 tool
Logic Apps: dev tools
Integration and automation platform options in Azure | Microsoft Docs
Power Automate, Logic Apps, Functions, and WebJobsOverview for Azure Logic Apps - Azure Logic Apps | Microsoft Docs
Group and run actions by scope - Azure Logic Apps | Microsoft Docs
Pricing - Logic Apps | Microsoft Azure
Azure podcast Episode 389 - Azure Logic Apps
Azure Logic Apps documentation | Microsoft Docs
Introduction to Azure Logic Apps - Learn | Microsoft Docs
GitHub - Azure/logicapps: Azure Logic Apps labs, samples, and tools