500 for canvas apps matters because it is the maximum number of records that can be displayed in a single Canvas App page. This limitation applies to both view and edit screens. If a business needs to show or edit more than 500 records, they need to use pagination, which allows users to navigate through data in smaller chunks. By limiting the number of records displayed at once, Canvas Apps ensure that users can easily see, interact with, and manage the data in their applications.
There is something magical about five hundred:
AND, ready for the next one?
There is 500 limit on the number of controls you should be adding to your canvas applications:
Tips and best practices to improve performance of canvas apps - Power Apps | Microsoft Learn
Why 500 matters for Canvas Apps? – It Ain’t Boring
You can also benefit by following the tips and best practices in this article to boost the performance of apps that you create.
One of the most significant weaknesses of a canvas app is that it isn't responsive by default. Portrait and landscape are the two layout/orientation options available. You can make canvas apps responsive by manually modifying the size and location of your components to fit the desired screen sizes.
Canvas apps are exactly what they sound like: PowerApps provides you with a blank canvas onto which you can drag and drop components in any formation to design a user interface. Once everything is in its proper place, you can make additional adjustments to the size and formatting of each of these components.
Canvas App is a low-code platform for building rich business applications. Model-driven app design is an approach that focuses on adding components such as forms, views, charts, and dashboards to tables using an app designer tool.