Both Can Read Text Aloud — The Difference Is Workflow
A phone with the right app can photograph text and read it aloud. A standalone reading pen scans directly and reads aloud immediately. The underlying capability can be similar; the experience of using each one is not.
Using a Phone
Getting a phone to read a word aloud usually means: find the phone, unlock it, open the right app, position the camera over the text, capture it, and wait for the result. Notifications and other apps are also right there, one tap away from the reading task.
Using a Reading Pen
A standalone reading pen skips most of those steps. There's no unlocking, no app to open, no camera to aim — the reader slides the pen across the word and hears it. There's also nothing on the device to distract from the page.
When a Phone Might Make More Sense
A phone can be the more practical choice when a family already has strong text-to-speech habits set up, when the reader needs to also research or type, or when carrying an additional device isn't practical. The right tool depends on the reader and the task, not just the technology.