FAQ
Frequently asked questions
Quick answers about readHD. Can’t find yours? Email support@readhd.app.
readHD is a reading app built for people with ADHD and dyslexia who lose their place while reading.
- 4 reading aids: Prefix Bold Anchoring, Spotlight Reading Ruler, Color Guide stripes and one-word-at-a-time reading.
- Private: no account needed, and your files stay on your device.
- Simple pricing: free to start, then from $2.99/month or $69.99 once for lifetime.
No, and that is why readHD has four reading aids.
- Try them all: some readers love bold word starts, others prefer the ruler or color stripes.
- Switch any time: each aid can be turned on or off.
- Adjustable: colors and themes can be changed to suit your eyes.
It gives every line more space and a clear guide.
- Extra line spacing: 2.1x by default.
- Sentence breaks: extra space after long sentences.
- Ruler and color stripes: keep the current line easy to find.
Your own files, web articles and a built-in library.
- Your files: DRM-free EPUB, PDF, Word (DOCX) and text files.
- Web articles: clean text pulled from a shared link.
- 1,500+ classic books: public-domain classics, built in.
Yes, readHD is free to download, with an optional Premium upgrade.
- Free: 1 imported document, 5 classic book downloads a day, Prefix Bold Anchoring and the offline dictionary.
- Premium: unlimited imports and all reading aids.
- Prices: $2.99/month, $5.99 for 3 months, $24.99/year, or $69.99 once for lifetime.
Yes. Reading works offline and your files stay on your device.
- No account: no email, password or sign-up.
- Offline dictionary: look up words without the internet.
- Internet only for: book downloads, web articles and the optional AI.
It is optional and uses your own Google Gemini API key.
- Optional: readHD works fully without it.
- Your key: you pay Google directly, and readHD adds no fee.
- Study help: simple explanations, key takeaways and flashcards.
iPhone, iPad and Android phones and tablets.
- Apple: iPhone and iPad, from the App Store.
- Android: phones and tablets, from Google Play.
- No sign-in: install it and start reading.
Ready to finish your next book?
Free to download on iPhone, iPad and Android. Upgrade only if you love it.