Comparison

NaturalReader vs Captus

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

Captus

Features
Read full description

Captus - The best way to take notes. Imagine being able to focus on what really matters without worrying about taking notes. With Captus, your AI note-taking assistant, recording, transcribing, and organizing classes and meetings has never been easier. With Captus Pro: Record without distractions: Just press a button and let Captus do the rest. Perfect for classes, meetings, conferences, or spontaneous ideas. Automatic transcription: Turn your recordings into text quickly and accurately. Captus analyzes and structures the information so you can find what matters in seconds. Interact with your notes: Ask questions and get instant answers from your own notes. Our AI understands context and helps you review effortlessly. Organize your notes: Sort your notes into folders and access them anytime. Find what you need without wasting time. All features require a paid subscription (Captus Pro) after the trial period. The Captus Pro subscription includes: - Advanced AI: Smart summaries and analysis - Video summary: Transcribe and summarize YouTube videos - Chat with your notes: Ask questions and get answers from your notes - Unlimited: Unlimited notes and transcriptions - High-quality recording - Export to PDF and text - Intuitive interface and minimalist design - Quizzes and flashcards! Perfect for students Captus Pro subscription plans: - 7-day free trial - Weekly plan ($4.99 per week), monthly plan ($9.99 per month) or annual plan ($49.99 per year) with 50% savings - Cancel anytime Terms of Use: https://captusnotes.com/terms Privacy Policy: https://captusnotes.com/privacy

Screenshots

NaturalReader4 screens
Captus4 screens

Verdict

The call

The clearest difference is update cadence: Captus at weekly against NaturalReader's every 3 weeks. Captus also leads on iOS requirement (13.0 vs 16.4). NaturalReader's advantage is chart position (#118 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 Captus sells 6 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

NaturalReader ships an update every 3 weeks, Captus weekly. The most recent releases landed on September 24, 2026 and September 15, 2026 respectively.

Scorecard3 real differences · 8 level
NaturalReader versus Captus: the parameters behind the verdict, then further details
ParameterNaturalReaderCaptus
PriceFreeFree
Rating4.6 (9K ratings) — better—
Positive reviews71.0% of reviews—
Number of ratings9K — better—
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
Best chart rank#118 — better—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.413.0 — better
Further details — not scored
Size66 MB81 MB
Age rating4+4+
DeveloperNaturalSoft LimitedSantiago Sanchez

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

Captus

Not enough reviews yet to summarise bugs or requests.

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
6 purchases

Captus

Subscriptions6
  • Weekly Premium7 Days trial$4.997 Days
  • Weekly Premium7 Days trial$6.997 Days
  • Monthly Premium7 Days trial$9.991 Month
Show 3 more
  • Monthly Premium7 Days trial$14.991 Month
  • Yearly Premium7 Days trial$49.991 Year
  • Yearly Premium7 Days trial$99.991 Year

Questions

Is NaturalReader free?
NaturalReader is free to download, with in-app purchases available.
Is Captus free?
Captus is free to download, with in-app purchases available.
Do NaturalReader or Captus have ads?
Neither NaturalReader nor Captus shows ads.
Which is updated more often, NaturalReader or Captus?
NaturalReader ships an update every 3 weeks, and Captus weekly. Most recently, NaturalReader was updated on September 24, 2026 and Captus on September 15, 2026.

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