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Speechify vs Apple Preview for Reading PDFs

Cliff Weitzman

Cliff Weitzman

CEO/Founder of Speechify

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50M+ Users

PDF tools serve different roles depending on how users interact with documents. Some are designed for viewing and basic editing, while others focus on how users consume and understand information.

Speechify and Apple Preview both support reading PDFs, but they are built for different purposes. Apple Preview is the default PDF viewer on macOS, while Speechify focuses on text to speech and listening-based reading.

In this article, we will compare Speechify and Apple Preview to explain how each tool supports reading PDFs and processing information.

What is Speechify?

Speechify is a voice-first platform that converts written content into audio using text to speech.

Users can upload PDFs, documents, webpages, and books and listen to them with natural sounding AI voices. The platform is designed for people who want to process information more efficiently by listening instead of reading.

Key capabilities include:
Text to speech for PDFs and documents
Adjustable playback speed
Text highlighting during playback
Cross-device syncing
OCR support for scanned documents

Speechify is commonly used by students, professionals, and researchers who need to read large amounts of content efficiently.

What is Apple Preview?

Apple Preview is the built-in image and PDF viewer available on macOS, iOS, and iPadOS. It allows users to open, view, annotate, and manage PDF files without installing additional software. 

Preview includes features such as:
PDF viewing and page navigation
Annotation and markup tools
Form filling and signatures
Basic document organization
Image and file conversion

Because it is pre-installed on Apple devices, Preview is one of the most commonly used tools for opening PDFs.

How do Speechify and Apple Preview differ for reading PDFs?

The main difference between the two tools is how users interact with content.

Speechify focuses on listening to PDFs using text to speech.
Apple Preview focuses on viewing and annotating documents.

Speechify allows users to convert PDFs into audio and listen continuously. Apple Preview allows users to open files quickly, scroll through pages, and make annotations.

Both tools support reading PDFs, but they approach the experience in different ways.

Can Apple Preview read PDFs aloud?

Apple Preview supports basic text to speech through macOS accessibility features. Users can select text and use the system “Speak” function to have content read aloud

However, this approach typically requires manual text selection and does not provide a continuous, structured listening experience across entire documents.

Additionally, text to speech in Preview depends on whether the PDF contains selectable text. Image-based or scanned PDFs may require additional processing before they can be read aloud

How does Speechify improve the reading experience?

Speechify is designed specifically for listening to content.

Users can upload PDFs and convert them into audio instantly without needing to manually select text. The platform reads continuously across pages and highlights text during playback, making it easier to follow along.

Speechify also allows users to adjust playback speed, enabling faster reading of long documents such as textbooks, reports, or research papers.

This creates a more seamless way to process information compared to traditional reading workflows.

How does Apple Preview support document workflows?

Apple Preview is designed for viewing and interacting with documents directly on a device.

Users can annotate PDFs, rearrange pages, fill out forms, and sign documents. It also allows users to extract pages, organize files, and convert between formats. 

Preview is often used for quick access to documents and simple edits without needing additional software.

When should you use Speechify vs Apple Preview?

The choice depends on how you want to interact with PDFs.

Speechify is often used when the goal is to read and understand content through listening.

Apple Preview is commonly used when the goal is to view, annotate, or manage documents on a Mac or iOS device.

Some users may use both tools together, using Preview for document handling and Speechify for reading and comprehension.

Why is listening becoming a common way to read PDFs?

Listening to documents allows users to process information without being tied to a screen.

This is especially useful for long documents or workflows that involve large amounts of reading. Users can listen while multitasking, making it easier to stay consistent with reading tasks.

Text to speech tools like Speechify support this shift by turning written content into audio that can be accessed anywhere.

Why Speechify stands out for reading PDFs

Speechify is designed around how people consume information.

By converting PDFs into natural sounding audio, it allows users to engage with content in a more flexible way. This can support better focus, faster reading speeds, and more efficient workflows.

Speechify is especially useful for users who want to move through content quickly or reduce time spent reading on a screen.

FAQ

What is Apple Preview used for?

Apple Preview is used to view, annotate, and manage PDF and image files on macOS and iOS devices.

Can Apple Preview read PDFs aloud?

Yes, it supports basic text to speech through system accessibility features, but requires manual text selection.

How does Speechify read PDFs?

Speechify uses text to speech to convert PDFs into continuous audio that can be listened to across devices.

Does Apple Preview support OCR?

Preview includes limited text recognition features, but it is not designed as a full OCR solution for all document types. 

Why do people listen to PDFs instead of reading them?

Listening allows users to multitask, reduce screen time, and process large amounts of information more efficiently.


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Cliff Weitzman

Cliff Weitzman

CEO/Founder of Speechify

Cliff Weitzman is a dyslexia advocate and the CEO and founder of Speechify, the #1 text-to-speech app in the world, totaling over 100,000 5-star reviews and ranking first place in the App Store for the News & Magazines category. In 2017, Weitzman was named to the Forbes 30 under 30 list for his work making the internet more accessible to people with learning disabilities. Cliff Weitzman has been featured in EdSurge, Inc., PC Mag, Entrepreneur, Mashable, among other leading outlets.

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About Speechify

#1 Text to Speech Reader

Speechify is the world’s leading text to speech platform, trusted by over 50 million users and backed by more than 500,000 five-star reviews across its text to speech iOS, Android, Chrome Extension, web app, and Mac desktop apps. In 2025, Apple awarded Speechify the prestigious Apple Design Award at WWDC, calling it “a critical resource that helps people live their lives.” Speechify offers 1,000+ natural-sounding voices in 60+ languages and is used in nearly 200 countries. Celebrity voices include Snoop Dogg and Gwyneth Paltrow. For creators and businesses, Speechify Studio provides advanced tools, including AI Voice Generator, AI Voice Cloning, AI Dubbing, and its AI Voice Changer. Speechify also powers leading products with its high-quality, cost-effective text to speech API. Featured in The Wall Street Journal, CNBC, Forbes, TechCrunch, and other major news outlets, Speechify is the largest text to speech provider in the world. Visit speechify.com/news, speechify.com/blog, and speechify.com/press to learn more.