---
title: What is the difference between the EMA App and the EMA Manger APP?
description: What is the difference between the EMA App and the EMA Manger APP?
---

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# What is the difference between the EMA App and the EMA Manger APP?

The ECU APP is a tool for installers to use in the initial set up of your system. The EMA APP is the monitoring tool system owners will use to monitor their energy production on their smart phone. DIY users can first set up the systems using EMA manager APP, and then use EMA APP for daily monitoring.

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