TTS ReaderCan text to speech help you stay focused while reading with ADHD?
It can help: many people with ADHD find it easier to stay on the line when they listen to a text and follow the highlighted word at the same time. It is a reading aid, not a treatment. TTS Reader highlights each word as it is spoken, can dim the rest of the page, and reads at any speed from 0.5× to 3×.
We make TTS Reader, a free text-to-speech app for iPhone. It does not diagnose or treat ADHD. If attention makes reading hard for you or your child, a doctor, a school or a university disability office can help you find the right support.
Why can listening and reading together help with focus?
Hearing the text while your eyes follow a moving highlight gives your attention two anchors instead of one, and the voice sets a steady pace, so it is harder to drift off the line or lose your place. That is how assistive technology specialists describe it, and one recent study points the same way:
- Jamie Martin, an assistive technology consultant writing for Understood.org in 2019, says text to speech “highlights words so kids can follow the text with their eyes as they listen,” which “can help them focus on reading for longer periods of time.” He adds that it can help kids with attention issues too.
- The Weingarten Center at the University of Pennsylvania calls text to speech its most popular assistive technology, used mainly by students with ADHD and dyslexia. It names “keeping track of what line they are on” as a common problem that reading along with the audio helps with.
- Chen, Hung and Jian (Reading and Writing, 2026) compared silent reading with text to speech in junior high school students in Taiwan using eye tracking. Text to speech improved reading comprehension for students with ADHD-related reading difficulties. It did not improve comprehension for typical readers, and the authors conclude that reading support should fit the individual.
Research on text to speech and ADHD is still small, and results differ from person to person. Treat it as something to try for a week with real reading, not as a guaranteed fix.
Why keep your eyes on the text instead of only listening?
Listening alone is not the same as listening while you follow the words. In a 2013 study by Varao Sousa, Carriere and Smilek at the University of Waterloo, 211 students read one passage aloud, read one silently and listened to one. Listening led to the most mind wandering: students reported it at about half of the checks, compared with about a third during silent reading. Listening also gave the poorest memory of the passage and the least interest in it. The study was about students in general, not people with ADHD.
The practical lesson: if your mind drifts, keep the screen in front of you and let your eyes follow the highlighted word. Use audio without the screen for lighter reading, such as a novel on a walk, and keep the text open for anything you need to remember.
Which TTS Reader settings help when your attention drifts?
These settings are all in TTS Reader. Try one change at a time and keep what works for you.
| If this happens | Try this in TTS Reader |
|---|---|
| Your eyes jump to other lines or other parts of the page | Read in the text view, which highlights the current sentence and word and dims the rest of the page. |
| The voice feels too slow and your mind wanders | Speed it up. The speed button goes from 0.5× to 3×, and there are ready-made modes such as Skim. |
| You lose the meaning at your current speed | Slow down, or choose the Learn mode: 0.8× with a short pause between words. |
| Words run together and the highlight is hard to follow | Add an optional pause between words. |
| You drifted and missed a paragraph | Tap any sentence to start reading again from there. |
| You want to listen on the go | Try the Commute mode, and keep the text open when the reading matters. |
There is no single right speed. Some people focus better when the voice moves a little faster than they would read, and others need it slower to keep the meaning. Change the speed while it plays and listen to how much you take in.
How do you get back to a document fast?
Getting back into a text after a break is often the hard part. TTS Reader has several ways to start again without hunting through apps:
- Lock Screen and Live Activity controls. Pause and resume from the Lock Screen and the Live Activity, without opening the app.
- Widget. TTS Reader has a widget, so the app is one tap away.
- Control Center. A TTS Reader control can be added to Control Center.
- Share extension. Send a file or text to TTS Reader with the Share button in Files, Safari, Mail and other apps.
- Listening stats. The app counts your listening time, which some people find useful for seeing that small sessions add up.
TTS Reader has no account and no ads, so there is nothing to sign in to and no banners next to the text. Your documents stay on the iPhone, and the built-in voices work offline (how offline voices work).
What can you read this way?
TTS Reader reads PDF, EPUB, Word (DOCX), ODT, RTF, HTML, plain text and Markdown files, pasted text, web articles from a link, photos and camera scans of printed pages, and about 70,000 free classic books from Project Gutenberg. PDFs keep their original layout with the highlight moving across the real page (reading a PDF aloud), and paper handouts can be scanned with the camera (scan to speech). It reads 31 languages: Arabic, Bulgarian, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Greek, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Latvian, Lithuanian, Polish, Portuguese, Romanian, Russian, Slovak, Slovenian, Spanish, Swedish, Turkish, Ukrainian, Vietnamese.
What if you also have dyslexia?
If you have dyslexia as well as ADHD, the same listen-and-follow reading applies, and the settings for slower, easier decoding are on our page about text to speech for dyslexia.
What will text to speech not do?
- It does not treat ADHD or replace medical, school or workplace support.
- It does not find the main idea or explain hard words for you. Understood.org’s Jamie Martin makes the same point about text to speech in general.
- It does not keep your attention by itself if you stop looking: in the 2013 Waterloo study above, listening alone led to more mind wandering than silent reading.
- TTS Reader works on iPhone only, with iOS 26 or later. There is no Android, Mac or web version.
- It does not read Kindle or other DRM-protected books, and it does not export audio to MP3.
Sources
- Jamie Martin, “The first assistive technology I recommend to parents”, Understood.org, 16 October 2019: highlighting lets kids follow the text as they listen and “can help them focus on reading for longer periods of time”; help for kids with attention issues; text to speech cannot identify the main idea or define hard words. Checked 31 October 2026.
- Weingarten Center, University of Pennsylvania, “Assistive Tech: Text-to-Speech” (no publication date): “our most popular assistive technology”, used mainly by students with ADHD and dyslexia; “keeping track of what line they are on”. Checked 31 October 2026.
- Chen, Hung and Jian, “The effects of text-to-speech on reading comprehension in junior high school students with reading disabilities: an eye-tracking study in Taiwan”, Reading and Writing, 2026, doi:10.1007/s11145-025-10738-5: text to speech improved comprehension for students with ADHD-related reading difficulties, not for typical readers. Checked 31 October 2026.
- Varao Sousa, Carriere and Smilek, “The way we encounter reading material influences how frequently we mind wander”, Frontiers in Psychology 4:892, 28 November 2013: 211 university students analysed; mean proportion of mind wandering 0.506 when listening and 0.356 when reading silently, least when reading aloud; listening gave the poorest memory and least interest. Checked 31 October 2026.