Comparison

Speechify vs PDF Docs Voice Aloud Reader HD

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Speechify

This app transforms text into spoken word with lifelike voices, reads documents, images, and articles aloud, and offers voice typing. It also features an AI assistant for summarizing and quizzing, and allows for AI podcast creation.

Highlights
  • Reads text aloud from various sources
  • Voice typing for faster input
  • AI assistant for summarization and quizzes
  • Customizable listening speeds
  • Human-like voices
  • Cross-device syncing
  • AI podcast creation
Features
Read full description

Text to speech from Speechify lets you listen to docs, articles, PDFs, email, and various other formats — anything you read. With 50M+ users, it is the top rated TTS app in the AppStore. Sir Richard Branson Loves Speechify. It helps him read with Dyslexia ---------------------------------------------------------------------------------------------------- “Speechify is brilliant. I’m so glad to have it today.” – Sir Richard Branson ---------------------------------------------------------------------------------------------------- Our users have listened to 6.5 billion words. FEATURES YOU'LL LOVE • Listen at Any Speed Our high-quality AI voices can read 4.5x faster than the average reading speed, so you can learn even more in less time. Ease into 300 words per minute & slowly increase the speed to as fast as you need it to be. • Natural-sounding Human Voices Our text to speech voices sound more fluid & human-like than any other AI reader. • Active Text Highlighting The text is highlighted and perfectly synced, word for word, with the voice reader to help you read along. Reading & listening helps you retain more. • Listen to Any Book on Your Shelf Use the app to snap a pic of a page in any book or printed material and hear it read out loud to you. Your favorite book sitting on your bookshelf? Turn it into an audiobook. • Screenshot Image to Audio Find an image with text on it, no matter the length, with one click, you can easily take a screenshot and sync it to your cloud. Speechify will read the text out loud. Letters from loved ones? Scan them and turn them into audible notes. • Desktop or Mobile Anything you’ve saved to your Speechify library instantly syncs across devices so you can listen to anything, anywhere, anytime. * Hundreds of Timeless Books Titles you get with Speechify: Pride and Prejudice by Jane Austen; The Adventures of Sherlock Holmes by Arthur Conan Doyle; Alice's Adventures in Wonderland by Lewis Carroll; Frankenstein by Mary Shelley; Moby Dick by Herman Melville; A Tale of Two Cities by Charles Dickens; Ulysses by James Joyce; War and Peace by Leo Tolstoy; The Great Gatsby by F. Scott Fitzgerald; Great Expectations by Charles Dickens; Beowulf; Anna Karenina by Leo Tolstoy; The Scarlet Letter by Nathaniel Hawthorne; Les Misérables by Victor Hugo; Walden by Henry David Thoreau; Don Quixote by Miguel de Cervantes Saavedra Gwyneth Paltrow Uses Speechify to Listen to Scripts. ---------------------------------------------------------------------------------------------------- "Speechify lets me listen to Goop blog posts out loud in the car and gets my friends through grad school. It's amazing for scripts." – Gwyneth Paltrow ---------------------------------------------------------------------------------------------------- Other Features • Note taking tools • Save audio bookmarks • Floating widget • Exemplary customer experience • Inline player seamlessly integrates into all your websites • Get hundreds of timeless audiobooks for free • Cloud sync makes for a seamless listening experience across all your devices We created Speechify so that reading is never a barrier for anyone again. Designed to help people with dyslexia, ADHD, low vision acuity, concussions, and other reading disabilities. Speechify now helps hundreds of thousands of people to consume their reading content with ease. From those with reading disabilities to auditory learners, productivity fanatics, second language learners, hobbyists, and more, we love all of our users and strive every day to create a reading assistant that empowers them to read more and succeed in life. We can't wait for you to join the family :) Install Speechify today, for free! Privacy Policy: https://speechify.com/privacy/ Terms of Service: https://speechify.com/terms/

About

PDF Docs Voice Aloud Reader HD

This app reads PDF documents aloud using natural-sounding text-to-speech technology. It supports a wide range of languages and voices, making it ideal for users who are busy, have reading difficulties, or prefer an auditory learning experience.

Highlights
  • Reads PDF documents aloud
  • Natural sounding text-to-speech
  • Supports 40+ languages and voices
  • File sharing via iTunes
  • Subscription for unlimited access
Features
Read full description

Are you too busy to read pdf documents? Or maybe you have health problems that make reading difficult? If so, then you must try this app. The app can read aloud any pdf document that you have. This app converts text to a natural sounding voice. The highest quality text to speech App available for the iPhone, iPod Touch, and now iPad! Use iTunes to share files between your computer and the app. VOICES SUPPORT Choose from 40 languages, listen in different voices Supports text-to-speech in the following languages: English, Chinese, French, Albanian, Icelandic, Polish, Korean, Japanese, Catalan, Afrikaans, Danish, German, Russian, Finnish, Haitian Creole, Dutch, Czech, Croatian, Latvian, Romanian, Macedonian, Norwegian, Portuguese, Swedish, Serbian, Slovak, Swahili, Turkish, Welsh, Spanish, Greek, Hungarian, Italian, Hindi, Indonesian, and Vietnamese. • You can subscribe for unlimited access to all features within the app • Subscriptions are billed monthly or annually at the rate selected depending on the subscription plan. Following are the payment models for premium subscriptions: • Monthly Subscription: 1 week free trial then $4.99 per month • Yearly Subscription: 1 week free trial then 39.99 per year • Payment will be charged to iTunes Account at confirmation of purchase. • Account will be charged for renewal within 24-hours prior to the end of the current subscription period. • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. • Any unused portion of a free trial period will be forfeited when the user purchases a subscription to that publication. Privacy Policy: https://www.byteflowapps.com/PDFVoiceAloud/policies/Privacy/ Terms of Use: https://www.byteflowapps.com/PDFVoiceAloud/policies/TermsOfUse/ GOT QUESTIONS? CAN'T FIGURE OUT HOW TO DO SOMETHING? Please email us at support@epicscanner.com and we’ll help you figure it out.

Screenshots

Speechify4 screens
PDF Docs Voice Aloud Reader HD4 screens

Verdict

The call

The clearest difference is ratings volume: Speechify at 524K against PDF Docs Voice Aloud Reader HD's 1.2K. Speechify also leads on chart position (#8 vs unranked). PDF Docs Voice Aloud Reader HD's advantage is review sentiment (50% vs 35%) and iOS requirement (13.0 vs 17.0). On price, rating, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Speechify sells 14 in-app purchases, starting at $9.99 per 7 days and PDF Docs Voice Aloud Reader HD sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Speechify against 4.6 for PDF Docs Voice Aloud Reader HD. That said, the two scores are not equally well evidenced: Speechify has 524K ratings behind it against 1.2K, so its average is the more settled of the two. Written reviews are what separate them: 35% of Speechify's written reviews are positive against 50% of PDF Docs Voice Aloud Reader HD's.

UpkeepUpdate frequency

Speechify ships an update weekly, PDF Docs Voice Aloud Reader HD every 2 weeks. The most recent releases landed on September 25, 2026 and September 24, 2026 respectively.

Scorecard4 real differences · 7 level
Speechify versus PDF Docs Voice Aloud Reader HD: the parameters behind the verdict, then further details
ParameterSpeechifyPDF Docs Voice Aloud Reader HD
PriceFreeFree
Rating4.7 (524K ratings) — better4.6 (1.2K ratings)
Positive reviews35.3% of reviews50.3% of reviews — better
Number of ratings524K — better1.2K
Update frequencyWeekly — betterEvery 2 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#8 — better—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.013.0 — better
Further details — not scored
Size557 MB22 MB
Age rating4+4+
DeveloperSpeechify Inc.Amad Marwat

Customer experience

Speechify

All ratings524,410 ratings
Positive91.8%
Neutral3.4%
Negative4.7%
Written reviews5,850 reviews
Positive35.3%
Neutral8.1%
Negative56.6%

PDF Docs Voice Aloud Reader HD

All ratings1,230 ratings
Positive91.9%
Neutral3.7%
Negative4.5%
Written reviews147 reviews
Positive50.3%
Neutral6.8%
Negative42.9%

User reviews

Speechify

From 524K App Store ratings

What we love

  • 🚀 Efficient text-to-speech
  • 👍 Diverse voice options
  • 🤖 Realistic AI narration
  • 💡 Helpful for dyslexic/ADHD users
  • 🤓 Improved reading comprehension

Room to improve

  • 💰 Expensive subscription
  • 🔇 Inconsistent voice quality
  • 🐛 Frequent bugs and glitches
  • 🔀 Unreliable page navigation
  • 🚫 Restrictive word limits on premium voices

PDF Docs Voice Aloud Reader HD

From 1.2K App Store ratings

What we love

  • 🚀 Clear voices
  • 👍 Great functionality
  • 💡 Variety of voices
  • 👍 Works well for a free app
  • 🚀 Useful for reading PDFs aloud

Room to improve

  • 🐛 Robotic/artificial voices
  • 🐛 Pronunciation issues
  • 🐛 Buggy/crashes frequently
  • 🐛 Compatibility issues
  • 🔋 High battery consumption

Bugs and requests

Speechify

Reported bugs

5 issues
  • Frequent app crashes
  • Text syncing issues
  • Incorrect word pronunciations
  • Inconsistent highlighting/pacing
  • Unexpected voice switches

Requested features

6 requests
  • Ability to edit/annotate text
  • Improved PDF/document handling
  • More affordable subscription options
  • Seamless integration with ebooks/websites
  • Automatic removal of citations/formatting
Show 1 more
  • Expanded language support

PDF Docs Voice Aloud Reader HD

Reported bugs

5 issues
  • Reads letters instead of words
  • Repeats the same line multiple times
  • Reads from bottom to top
  • Playback issues (getting stuck, not working)
  • Compatibility problems on certain devices

Requested features

5 requests
  • Ability to start reading from a chosen point
  • Option to remove ads through a one-time purchase
  • Support for more languages
  • Smoother voice transitions
  • Improved handling of technical terms and abbreviations

In-app purchases

14 purchases

Speechify

Subscriptions12
  • $160 Donation No HD voices$9.997 Days
  • Premium Monthly$11.991 Month
  • Premium Monthly$24.991 Month
Show 9 more
  • Dyslexia Donation3 Days trial$29.991 Year
  • Premium$55.991 Year
  • Premium3 Days trial$79.991 Year
  • Premium Yearly$99.991 Year
  • Premium3 Days trial2 variants$139.991 Year
  • Premium1 Month trial$139.991 Year
  • Speechify Premium7 Days trial$139.991 Year
  • Speechify Premium3 Days trial$159.991 Year
  • Audiobooks + Speechify TTS3 Days trial$249.991 Year
One-time2
  • Speechify Library$14.99
  • Speechify Library$24.99
3 purchases

PDF Docs Voice Aloud Reader HD

Subscriptions3
  • Speechify Text to Speech Audio$1.997 Days
  • Voice Dream Read Aloud PDF$4.991 Month
  • Voice Aloud Reader Speechify +3 Days trial$39.991 Year

Questions

Is Speechify free?
Speechify is free to download, with in-app purchases available.
Is PDF Docs Voice Aloud Reader HD free?
PDF Docs Voice Aloud Reader HD is free to download, with in-app purchases available.
Which has better reviews, Speechify or PDF Docs Voice Aloud Reader HD?
Speechify is rated higher. Speechify averages 4.7 out of 5 from 524K ratings, while PDF Docs Voice Aloud Reader HD averages 4.6 from 1.2K ratings.
Do Speechify or PDF Docs Voice Aloud Reader HD have ads?
Both Speechify and PDF Docs Voice Aloud Reader HD show ads.
Which is updated more often, Speechify or PDF Docs Voice Aloud Reader HD?
Speechify ships an update weekly, and PDF Docs Voice Aloud Reader HD every 2 weeks. Most recently, Speechify was updated on September 25, 2026 and PDF Docs Voice Aloud Reader HD on September 24, 2026.

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