When evaluating tools to use in your classroom, there are some important things to consider.  The information below outlines 5 main criteria to use when deciding if a tool is an appropriate tool to enhance teaching and learning.  This information was published by www.educatorstechnology.com.  

Criteria for App and Website Evaluation:

Engagement

• Is it user friendly and intuitive?
• Does it offer new ways to learn?

Instructional Design

• Does it support teaching and learning goals?
• Does it have interactive features for feedback, assessment, reflection?

Developmental Appropriateness

• Is it age appropriate - content and interface?
• Will it appeal to the age group?

Motivation

• Is it inviting and relevant?
• Does it include gaming principles and motivating methods?
• Does it help students connect learning with life experiences?

Accessibility

• Does it cater to multiple learning styles?
• Are there personalization features?
• Is there a range of levels for differentiation?

More information can be found at the links below: 

https://www.educatorstechnology.com/2018/11/teachers-guide-for-curating-educational.html

https://www.apple.com/education/docs/L523172A_EDU_App_Guide_062013.pdf