Yes, there are several apps available for both Android and iOS devices that can turn a picture into a sketch. Some popular options include Prisma, Adobe Photoshop Sketch, Sketch Me!, and ToonCamera. These apps use various filters and effects to convert photos into sketch-like images.

To turn a picture into a sketch, you can use photo editing software or apps that offer sketch conversion filters. Here are the general steps:

• Choose a photo you want to convert into a sketch.
• Open the photo in your preferred photo editing app or software.
• Look for filters or effects related to sketch conversion. These may be labeled as "Sketch," "Pencil Sketch," or something similar.
• Apply the selected filter or effect to the photo.
• Adjust any settings or parameters to achieve the desired sketch effect.
• Save the edited image.

Yes, you can turn a photo into a sketch on an iPhone using various apps available on the App Store. Some popular apps for sketch conversion on iPhones include Prisma, Adobe Photoshop Express, and BeCasso, among others. Simply download one of these apps, open your photo, and apply the sketch effect using the app's features.

Several AI-based tools and software can turn pictures into sketches. Some notable ones include:

Deep Dream Generator: This online tool uses deep learning algorithms to transform photos into dream-like and artistic sketches.

DeepArt.io: DeepArt allows you to apply various artistic styles, including sketch styles, to your photos using AI algorithms.

Runway ML: Runway ML offers a range of AI models, including those for sketch conversion, that can be used by artists and designers to create unique visuals.