Undetectable AI°

Undetectable AI° is a mobile app with the TextSpell AI assistant for people who regularly write and edit marketing content. It helps you generate new copy and rephrase existing text so it reads more clearly and fits different channels.

Create marketing content faster

Use TextSpell AI to draft copy in minutes for common marketing formats, including:

• Social media posts
• Email campaigns
• Landing pages and website content

Rewrite and polish existing text

Undetectable AI° also works as a paraphrasing and style-improvement tool. It can rework source text to make it more readable, better structured, and more consistent in tone—useful when you need to adapt the same message for multiple platforms or refresh older materials.

iPhone and iPad workflow

The app is available on iPhone and iPad, so you can work on copy wherever you are. Built-in purchases unlock expanded features for users who need a steady, scalable content workflow.