Comparison

Text to Speech ePub PDF vs ReadFlow

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

Head to head
About

Text to Speech ePub PDF

This app transforms text into an immersive reading or audio experience. It offers advanced reading modes, text-to-speech, and language support to enhance comprehension and learning. Users can listen to content, practice speed reading, and build vocabulary through interactive quizzes.

Highlights
  • Text-to-speech audio conversion
  • Speed reading training
  • Comfort and highlight reading modes
  • Multilingual support
  • Built-in dictionary and vocabulary quizzes
  • PDF, EPUB, TXT file support
Features
Read full description

Stage Reader is a smart reading app designed to help you read faster, understand better, and learn more whether you prefer reading or listening. Turn any text into an immersive reading or audio experience. Stage Reader combines advanced reading modes, text-to-speech, quizzes, and language support to help you stay focused and absorb more information in less time. Listen or Read — Your Choice Convert text into natural-sounding audio and listen anytime, anywhere. Perfect for multitasking, commuting, or resting your eyes. Powerful Reading Modes Speed Reader – train your brain to read faster Comfort Mode – improved word emphasis for easier focus Highlight Mode – follow text visually while reading or listening Multiple reading styles to match your preferences Multilingual & Smart Learning Read and listen in multiple languages Instantly check word meanings with the built-in dictionary Save unknown words and learn them later with quizzes Learn More, Remember More Stage Reader helps you turn reading into learning: Create quizzes from your content Reinforce knowledge through repetition Improve vocabulary naturally while reading Supported Formats Read and listen to: PDF EPUB eBooks TXT files Perfect For Students & lifelong learners Professionals & entrepreneurs Language learners Anyone who wants to read more in less time Stage Reader transforms reading into a smarter, faster, and more flexible experience. Download Stage Reader and take your reading to the next stage. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

ReadFlow

This app transforms PDF documents into a comfortable reading experience on small screens. It offers text reflow, customization options for fonts and themes, and iCloud sync for seamless access across devices. Enjoy reading PDFs as easily as other ebook formats.

Highlights
  • PDF text reflow for mobile
  • Customizable fonts and themes
  • Import custom font files
  • iCloud sync
  • PDF file cropping
  • Metadata editing
  • Generate and share reflowed text
Features
Read full description

Designed for mobile reading! Readflow is a reading app specially designed for small screens. The text reflow feature is elaborately designed to solve the problem that PDF documents are difficult to read on mobile devices, such as text that is too small and the scan is not clear, and obtain a reading experience consistent with EPub, txt and other formats. Key features include: - PDF text reflow, supporting multiple languages¹ - Custom font family, font size, line height, etc - Importing font files² - Reading themes, switching automatically - iCloud sync, supporting on-demand download to save storage space and cellular data - PDF file cropping - PDF file metadata editing and saving - Reflow text generating and sharing for a whole PDF file³ - More detailed features: favorites, searching, etc. - Purchase once, use everywhere⁴ --- ¹ Currently supported: English, French, German, Italian, Japanese, Korean, Portuguese, Russian, Spanish, Simplified Chinese, Traditional Chinese, Ukrainian ² Supported file formats: otf, ttf ³ txt format ⁴ iOS / iPadOS universal app Term of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula Privacy policy: https://is.gd/TgnFzI

Screenshots

Text to Speech ePub PDF4 screens
ReadFlow4 screens

Verdict

The call

The clearest difference is review sentiment: ReadFlow at 100% against Text to Speech ePub PDF's 48%. ReadFlow also leads on rating (4.8 vs 3.8) and ads (none vs shown). On price, ratings volume, update cadence and in-app purchases 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. Text to Speech ePub PDF sells 3 in-app purchases, starting at $5.99 per month and ReadFlow sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

ReadFlow holds the better App Store score, 4.8 against 3.8. Both are backed by a comparable volume of ratings — 5 and 5 respectively. Written reviews point the same way: 48% of Text to Speech ePub PDF's written reviews are positive against 100% of ReadFlow's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on September 16, 2026 and September 19, 2026 respectively.

Scorecard3 real differences · 7 level
Text to Speech ePub PDF versus ReadFlow: the parameters behind the verdict, then further details
ParameterText to Speech ePub PDFReadFlow
PriceFreeFree
Rating3.8 (5 ratings)4.8 (5 ratings) — better
Positive reviews48.1% of reviews100.0% of reviews — better
Number of ratings55
Update frequencyEvery 4 daysEvery 4 days
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.216.0 — better
Further details — not scored
Size215 MB3 MB
Age rating12+4+
DeveloperSTAGE CODING, Travnik实 许

Customer experience

Text to Speech ePub PDF

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews54 reviews
Positive48.1%
Neutral16.7%
Negative35.2%

ReadFlow

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Text to Speech ePub PDF

Subscriptions2
  • Monthly Subscription$5.991 Month
  • Annual Subscription7 Days trial$29.991 Year
One-time1
  • Lifetime Subscription$74.99
3 purchases

ReadFlow

Subscriptions2
  • ReadFlow Pro 1x$0.991 Month
  • ReadFlow Pro 12x$9.991 Year
One-time1
  • ReadFlow Pro ∞$19.99

Questions

Is Text to Speech ePub PDF free?
Text to Speech ePub PDF is free to download, with in-app purchases available.
Is ReadFlow free?
ReadFlow is free to download, with in-app purchases available.
Which has better reviews, Text to Speech ePub PDF or ReadFlow?
ReadFlow is rated higher. Text to Speech ePub PDF averages 3.8 out of 5 from 5 ratings, while ReadFlow averages 4.8 from 5 ratings.
Do Text to Speech ePub PDF or ReadFlow have ads?
Text to Speech ePub PDF shows ads; ReadFlow does not.
Which is updated more often, Text to Speech ePub PDF or ReadFlow?
Text to Speech ePub PDF ships an update every 4 days, and ReadFlow every 4 days. Most recently, Text to Speech ePub PDF was updated on September 16, 2026 and ReadFlow on September 19, 2026.

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