Comparison

NaturalReader vs Paper2Audio

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

Head to head
About

NaturalReader

This app transforms text from various sources, including documents, web pages, and images, into natural-sounding spoken audio. It offers a wide selection of AI voices and languages, with features designed to enhance the listening experience and assist users with reading difficulties.

Highlights
  • Reads aloud PDFs, web articles, and cloud documents
  • OCR text recognition for images and camera scanner
  • Over 200 AI-powered voices in 99+ languages
  • Convert text to MP3 audio files
  • Dyslexia-friendly reading tools
  • Customizable voices, speeds, and display options
Features
Read full description

Transform any text, PDF, document, cloud file, or webpage into high-quality audio with NaturalReader. Trusted by over 1 million monthly users and backed by 15 years of AI technology experience, we are the ultimate tool for productivity and accessibility. GET STARTED INSTANTLY Start for Free: No account required to start listening. No Ads: Enjoy a completely ad-free experience so you can focus entirely on your content. EXPERIENCE NATURAL TEXT-TO-SPEECH Listen to Any Text: Seamlessly support for PDF, Cloud Files (Google Drive, Dropbox, OneDrive), MS Word (.doc & .docx), MS PowerPoint, Mac documents, RTF, TXT, DRM-free EPUB eBooks, and image files. OCR Camera Scanner: Snap a photo of a physical book, handout, or printed notes to convert them into spoken audio instantly. Download MP3: Save audio files in MP3 format for offline listening on any device. Cross-Platform Sync: Create a free account to sync your history across devices. Start listening on your mobile device and seamlessly switch to the NaturalReader Online Reader. NATURAL READING EXPERIENCE Customizable Tones & Delivery: Use a simple prompt to customize the tone and delivery of your narrator to perfectly match your content. 200+ High-Quality Voices: Access 200+ AI voices in 90+ languages. Find the perfect narrator for any type of document. Speaker Controls: Speed up playback (up to 5x) to save time, or slow down (0.5x) for deep comprehension. Adjust the number of speakers, pause duration, and sentence repetition, perfect for language learning. AI-POWERED PRODUCTIVITY AI Podcasts: Condense long readings into engaging AI Podcasts to consume content faster. AI Recap: Instantly generate concise summaries of your documents. Voice Cloning: Create a custom AI voice that sounds just like you. AI Quizzes: Study smarter by testing your knowledge with automatically generated quizzes. ACCESSIBILITY & READING TOOLS Dyslexia Friendly: Enhanced reading support with dyslexia-friendly fonts and customizable reading modes. Visual Aids: Follow along easily with synchronized word/sentence highlighting and closed captions. Annotations: Highlight important passages and add notes to organize key information effortlessly.

About

Paper2Audio

This app transforms your documents, PDFs, and web articles into spoken audio using high-quality, natural-sounding voices. It intelligently skips irrelevant content and summarizes complex elements, making reading hands-free and productive.

Highlights
  • Reads PDFs, EPUBs, .docx, .txt, and web articles
  • High-quality, natural text-to-speech voices
  • Summarizes figures, tables, and equations
  • Intelligently skips junk text
  • Reader View with word-level highlighting
  • Playback speed control
  • Table of contents navigation
Read full description

Paper2Audio is a free text to audio app that reads aloud your PDFs, ebooks, web articles, text documents, and plain text, turning complex reading into clear audio you can listen to anywhere. Paper2Audio’s text to speech (TTS) reader technology intelligently skips clutter like page numbers, footnotes, citations, and more. It summarizes figures, tables, and math so you can focus on what matters. Convert your documents and pdfs to audio to turn your commute, workout, or chores into productive learning time by listening to your documents hands-free. Over 700,000 documents converted to audio! Key features: • Read PDFs, webpages, EPUBs, .docx, .txt, scanned documents and copy-pasted text Turn your ebooks into audiobooks and your pdfs to audio to read text out loud • High quality text to speech voices Enjoy natural text to voice with engaging and realistic voices that make hours of listening engaging and easy to follow, including for people with visual impairments or learning challenges like dyslexia or ADHD. • Reads documents aloud with summaries of visual elements Summarizes equations, code, tables and figures in plain language instead of confusing symbol-by-symbol narration • A smarter audio text reader that cuts junk text you don't want to hear (page numbers, references list, ads, etc.) Our text reader skips the clutter and focuses only on the meaningful content • Read along with the audio with Reader View Reformats your documents for easier readability on small screens and shows images, math, formatting, and word-level highlighting in sync with the audio. • Highlighting and notes Keep track of key text with highlights and add your own notes • Familiar UI similar to a podcast or audiobook app Jump right in with an intuitive interface you already know how to use • Table of contents to select a section of your PDF or ebook Navigate instantly to any section that interests you most without endless scrolling • Read text aloud at your own speed with playback speed control from 0.5x to 4.0x in 0.05x increments Find your perfect listening pace whether you're a speed listener or prefer to savor every detail • Scan and read documents aloud Upload scanned PDFs to turn them into listenable audio. • Screen reader compatible and dyslexia-friendly fonts Pricing: Paper2Audio is a free text to audio document reader (up to 56 hours of audio generation per week) with no ads or annoying stuff. Paper2Audio Plus, our paid tier for business users, has higher limits and allows for audio file exports. Terms of use: https://www.paper2audio.com/terms-of-use Privacy: https://www.paper2audio.com/privacy

Screenshots

NaturalReader4 screens
Paper2Audio4 screens

Verdict

The call

The clearest difference is review sentiment: Paper2Audio at 97% against NaturalReader's 71%. Paper2Audio also leads on monetization model (free vs free with in-app purchases) and rating (4.9 vs 4.6). NaturalReader's advantage is ratings volume (9.2K vs 784) and chart position (#147 vs unranked). On price, ads, in-app purchases and device support 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. NaturalReader sells 6 in-app purchases, starting at $9.99 per month and Paper2Audio sells 2 in-app purchases, starting at $20.00 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Paper2Audio holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: NaturalReader has 9.2K ratings behind it against 784, so its average is the more settled of the two. Written reviews point the same way: 71% of NaturalReader's written reviews are positive against 97% of Paper2Audio's.

UpkeepUpdate frequency

NaturalReader ships an update every 3 weeks, Paper2Audio every 5 days. The most recent releases landed on November 10, 2026 and November 8, 2026 respectively.

Scorecard6 real differences · 5 level
NaturalReader versus Paper2Audio: the parameters behind the verdict, then further details
ParameterNaturalReaderPaper2Audio
PriceFreeFree
Rating4.6 (9.2K ratings)4.9 (784 ratings) — better
Positive reviews71.0% of reviews97.1% of reviews — better
Number of ratings9.2K — better784
Update frequencyEvery 3 weeksEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
Best chart rank#147 — better—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 — better17.0
Further details — not scored
Size67 MB70 MB
Age rating4+4+
DeveloperNaturalSoft LimitedPaper2Audio

Customer experience

NaturalReader

All ratings9,105 ratings
Positive90.0%
Neutral3.2%
Negative6.7%
Written reviews1,309 reviews
Positive71.0%
Neutral7.6%
Negative21.4%

Paper2Audio

All ratings784 ratings
Positive99.2%
Neutral0.5%
Negative0.3%
Written reviews173 reviews
Positive97.1%
Neutral1.7%
Negative1.2%

User reviews

NaturalReader

From 9.2K App Store ratings

What we love

  • 👍 Great app to save time
  • 🚀 Helps with reading and comprehension
  • 💡 Useful for dyslexic users
  • 👍 Excellent text-to-speech quality
  • 👍 Convenient for multitasking and studying

Room to improve

  • 💰 Subscription is considered expensive
  • 🐛 Occasional mispronunciations and pausing issues
  • 🐛 Compatibility issues with certain document formats
  • 🐛 Syncing and account management problems
  • 🐛 Frequent crashes and freezes

Paper2Audio

From 784 App Store ratings

What we love

  • 🗣️ Natural voices
  • 👍 Intuitive interface
  • 🚀 Efficient text extraction
  • 💯 Excellent for academic/technical content
  • 🆓 Completely free with no hidden fees

Room to improve

  • 🔍 Occasional issues with formatting/layout
  • 📓 Lacks support for footnotes/citations
  • 🌐 Limited compatibility with other formats (Kindle, etc.)

Bugs and requests

NaturalReader

Reported bugs

3 issues
  • Inconsistent performance across devices
  • Issues with reading content in locked mode
  • Unexpected changes to user settings and subscriptions

Requested features

5 requests
  • Ability to organize files in subfolders
  • Longer sleep timer option
  • Improved handling of italicized text
  • Option to add cover images for files
  • Offline mode for accessing saved content

Paper2Audio

Reported bugs

1 issue
  • Occasional issues with chapter/section detection in long documents

Requested features

4 requests
  • Add support for footnotes and citations
  • Implement custom pronunciation dictionary
  • Improve handling of multilingual content
  • Expand compatibility to more file formats

In-app purchases

6 purchases

NaturalReader

Subscriptions6
  • Premium Plan - Monthly$9.991 Month
  • Plus Plan - Monthly$20.901 Month
  • Pro Plan - Monthly$25.901 Month
Show 3 more
  • Premium Plan - Yearly$59.991 Year
  • Plus Plan - Yearly$119.001 Year
  • Pro Plan - Yearly$159.001 Year
2 purchases

Paper2Audio

Subscriptions2
  • Paper2Audio Plus Monthly$20.001 Month
  • Paper2Audio Plus Annual$191.991 Year

Questions

Is NaturalReader free?
NaturalReader is free to download, with in-app purchases available.
Is Paper2Audio free?
Paper2Audio is free to download, with in-app purchases available.
Which has better reviews, NaturalReader or Paper2Audio?
Paper2Audio is rated higher. NaturalReader averages 4.6 out of 5 from 9.2K ratings, while Paper2Audio averages 4.9 from 784 ratings.
Do NaturalReader or Paper2Audio have ads?
Neither NaturalReader nor Paper2Audio shows ads.
Which is updated more often, NaturalReader or Paper2Audio?
NaturalReader ships an update every 3 weeks, and Paper2Audio every 5 days. Most recently, NaturalReader was updated on November 10, 2026 and Paper2Audio on November 8, 2026.

Other comparisons