Based on the users' reviews, here are three pros and three cons of the "Milkshake DIY" app: **Pros:** 1. Users praise the app's ease of use and intuitive interface, making it simple to create custom milkshake recipes. 2. Reviewers appreciate the app's large library of flavors and ingredients, allowing for endless creativity. 3. Many users enjoy the app's social features, liking the ability to share and discover new recipes from others. **Cons:** 1. Some users criticize the app's lack of filter options, making it difficult to find specific recipes or ingredients. 2. A few reviewers are unhappy with the app's limitations, such as not being able to adjust serving sizes or add custom ingredients. 3. A few users experienced bugs and crashes, causing frustration and lost progress in their recipes.