What is Power Apps?

TL;DR

Power Apps is Microsoft's low-code platform for building business applications. Drag and drop controls, connect to data sources (SharePoint, Dataverse, SQL, Excel), write Power Fx formulas, and publish apps for web and mobile — all without traditional coding.

The Big Picture

Power Apps turns business processes into apps. You design screens, connect data, add logic, and publish.

Power Apps pipeline: Design screens with drag-and-drop, connect to data sources, add Power Fx logic, publish to web and mobile
Explain Like I'm 12

Imagine you want to build an app for your school's lost-and-found. Normally, you'd need to learn a programming language, set up a database, build a website — that takes months.

With Power Apps, you drag a form onto the screen, connect it to a spreadsheet, add a camera button so people can photograph lost items, and hit publish. Done in an afternoon. Teachers and students open it on their phone. No App Store needed.

What is Power Apps?

Power Apps is part of the Microsoft Power Platform (alongside Power BI, Power Automate, and Power Virtual Agents). It lets "citizen developers" — business users, analysts, IT pros — build apps without writing traditional code.

There are three types of Power Apps:

🎨
Canvas Apps
Start with a blank canvas. Drag controls, pixel-perfect design. You control every element's position and behavior.
🏗️
Model-Driven Apps
Start with your data model in Dataverse. The UI is auto-generated from tables, forms, and views. Data-first approach.
🌐
Power Pages
External-facing websites connected to Dataverse. For customer portals, partner sites, self-service forms.

Who is it for?

Business analysts who need custom tools. IT teams replacing legacy Access/InfoPath apps. Managers who want to digitize paper processes. Developers who need to prototype fast. Anyone in a Microsoft 365 organization who thinks "there should be an app for this."

What can Power Apps do?

  • Replace spreadsheet-based processes — inventory tracking, approval workflows, expense reports
  • Digitize paper forms — inspections, surveys, onboarding checklists
  • Build field apps — mobile apps with camera, GPS, barcode scanner for field workers
  • Create internal portals — employee directories, knowledge bases, help desks
  • Automate approvals — integrate with Power Automate for multi-step approval flows
  • Connect to 1000+ data sources — SharePoint, Dataverse, SQL Server, Excel, Salesforce, REST APIs
  • Embed in Teams — publish apps directly inside Microsoft Teams tabs

Power Apps vs Others

FeaturePower AppsAppSheet (Google)OutSystemsCustom Code
ComplexityLow-codeNo-codeLow-code (pro)Full code
Best ecosystemMicrosoft 365Google WorkspaceEnterpriseAny
Data layerDataverse, SharePoint, SQLGoogle Sheets, SQLBuilt-in DBAny DB
MobileNative app + responsiveNative appNative appBuild your own
Formula languagePower FxAppSheet expressionsVisual logicAny language
Speed to MVPHours-daysHoursDays-weeksWeeks-months

What you'll learn

Start Learning: Core Concepts →

Test Yourself

What are the three types of Power Apps?

Canvas Apps (pixel-perfect drag-and-drop), Model-Driven Apps (data-first, auto-generated UI from Dataverse), and Power Pages (external-facing websites).

What formula language does Power Apps use?

Power Fx — an Excel-like formula language. If you know Excel formulas, you already know most of Power Fx.

What is Dataverse?

Microsoft's cloud-based data platform for the Power Platform. It stores data in tables with built-in security, business rules, relationships, and API access. Think of it as a managed database purpose-built for business apps.