Comparison

Text to Speech PDF Reader vs AI Text To Speech Voice Reader

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 PDF Reader

Listen to your PDF documents with a variety of high-quality voices and languages. The app highlights words as it reads, automatically scrolls pages, and remembers your reading progress. Save and access specific text sections as highlights.

Highlights
  • Listen to PDF documents
  • Multiple high-quality voices and languages
  • Word highlighting and automatic scrolling
  • Resume reading from last position
  • Save and access text highlights
  • Crop feature to skip content
  • Sync documents across devices
Features
Read full description

Read along to enhance comprehension or just kick back and listen to any PDF. * Dozens of high-quality voices in multiple languages to choose from with additional voices available to download on your device for free. * Choose a primary and secondary voice and switch between them easily as you read. * The app will highlight words as it reads and scroll the page automatically. * The app will remember where you left off and scroll to that position automatically next time you open a document. * Select any portion of text to save it as a highlight. * Tap any of your saved highlights and the app will open the pdf and scroll to the appropriate position. * Use the crop feature to skip repeated content that you don't want the app to read. * Support for dynamic type. * Support for Dark Mode. * Save as many pdfs as you want. * Optionally sync your documents with all of your iOS/iPadOS devices. If you enjoy the app please let us know through the in-app contact form and don't forget to rate us! Thank you for trying TTS PDF. --- "TTS PDF Yearly" is an annual auto-renewable subscription for $9.99. Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. You can turn off auto-renew up to 24 hours before your next subscription payment is due via your App Store settings page. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Terms of Use: https://bretlester.com/app_content/ttspdf_terms.html Privacy Policy: https://bretlester.com/app_content/ttspdf_privacy_policy.html

About

AI Text To Speech Voice Reader

Convert any text into natural-sounding speech with AI-powered voices. Supports various document formats and numerous languages. Ideal for messages, navigation, and reading aloud.

Highlights
  • Text to speech conversion
  • AI human-like voices
  • Document scanning and import (PDF, HTML, RTF)
  • Multi-language support
  • Character-based pricing
  • Free trial characters
Features
Read full description

Best features: 1. Instantly Transform Any Text To Speech. 2. Ideal for messages, navigation directions, translations, read out load and more. 3. You can scan your document as well as import from your Photos. Moreover import PDF, Html, Rtf or plain text. 4. With AI Voice, now your documents can be read in human-like voice. 5. There are many languages you can choose to recognize your speech including South African English, Italian, Polish, Welsh, Irish English, Icelandic, New Zealand English, Mexican Spanish, Canadian French, Turkish, British English, French, Australian English, Danish, Dutch, Arabic, Cantonese, Gulf Arabic, Castilian Spanish, Korean, Chinese Mandarin, Norwegian, German, US Spanish, Welsh English, Finnish, Japanese, Indian English, Belgian Dutch, Swedish, Romanian, Brazilian Portuguese, Russian, US English, Portuguese, Catalan. Don't need to buy subscriptions. We only charge by characters and provide 500 characters for trial.

Screenshots

Text to Speech PDF Reader4 screens
AI Text To Speech Voice Reader4 screens

Verdict

The call

The clearest difference is monetization model: AI Text To Speech Voice Reader at free with in-app purchases against Text to Speech PDF Reader's subscription. AI Text To Speech Voice Reader also leads on update cadence (every 2 days vs every 10 days). Text to Speech PDF Reader's advantage is ratings volume (552 vs 10). On price, rating, ads 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 PDF Reader sells 10 in-app purchases, starting at $0.99 per 7 days and AI Text To Speech Voice Reader sells 3 one-off in-app purchases. 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 — 4.5 for Text to Speech PDF Reader against 4.6 for AI Text To Speech Voice Reader. That said, the two scores are not equally well evidenced: Text to Speech PDF Reader has 552 ratings behind it against 10, so its average is the more settled of the two.

UpkeepUpdate frequency

Text to Speech PDF Reader ships an update every 10 days, AI Text To Speech Voice Reader every 2 days. The most recent releases landed on September 26, 2026 and August 5, 2026 respectively.

Scorecard3 real differences · 7 level
Text to Speech PDF Reader versus AI Text To Speech Voice Reader: the parameters behind the verdict, then further details
ParameterText to Speech PDF ReaderAI Text To Speech Voice Reader
PriceFreeFree
Rating4.5 (552 ratings)4.6 (10 ratings) — better
Positive reviews44.0% of reviews—
Number of ratings552 — better10
Update frequencyEvery 10 daysEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS16.015.0 — better
Further details — not scored
Size12 MB25 MB
Age rating4+4+
DeveloperBret LesterDo Tri

Customer experience

Text to Speech PDF Reader

All ratings552 ratings
Positive86.1%
Neutral4.0%
Negative10.0%
Written reviews134 reviews
Positive44.0%
Neutral5.2%
Negative50.7%

AI Text To Speech Voice Reader

All ratings10 ratings
Positive90.0%
Neutral0.0%
Negative10.0%

Bugs and requests

Text to Speech PDF Reader

Reported bugs

8 issues
  • Skips paragraphs and double plays when pausing
  • Erased files without consent
  • Doesn't work with two-column text
  • Reads text backwards
  • Unable to copy/paste or open certain files
Show 3 more
  • Skips sentences and doesn't read column text in the correct order
  • Skips whole paragraphs
  • Glitches and gets stuck in a reading loop

Requested features

7 requests
  • Add ability to read alternate text (alttext) in PDFs
  • Improve voice quality and options
  • Add ability to organize files in folders
  • Add mobile-friendly version
  • Improve handling of scanned/column PDFs
Show 2 more
  • Add ability to skip headers/page numbers
  • Improve pronunciation of uncommon words

AI Text To Speech Voice Reader

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Text to Speech PDF Reader

Subscriptions9
  • TTSPDF Unlimited Weekly7 Days trial$0.997 Days
  • TTS PDF Yearly7 Days trial$9.991 Year
  • Premium Weekly$9.997 Days
Show 6 more
  • Premium Weekly7 Days trial$9.997 Days
  • TTS PDF Basic7 Days trial$12.991 Year
  • Premium Monthly$29.991 Month
  • Premium Monthly7 Days trial$29.991 Month
  • Premium Annual$119.991 Year
  • Premium Annual7 Days trial$119.991 Year
One-time1
  • 1 Million Characters$39.99
3 purchases

AI Text To Speech Voice Reader

One-time3
  • 100000 characters$12.99
  • 500000 characters$49.99
  • 1000000 characters$79.99

Questions

Is Text to Speech PDF Reader free?
Text to Speech PDF Reader is free to download, with in-app purchases available.
Is AI Text To Speech Voice Reader free?
AI Text To Speech Voice Reader is free to download, with in-app purchases available.
Which has better reviews, Text to Speech PDF Reader or AI Text To Speech Voice Reader?
AI Text To Speech Voice Reader is rated higher. Text to Speech PDF Reader averages 4.5 out of 5 from 552 ratings, while AI Text To Speech Voice Reader averages 4.6 from 10 ratings.
Do Text to Speech PDF Reader or AI Text To Speech Voice Reader have ads?
Neither Text to Speech PDF Reader nor AI Text To Speech Voice Reader shows ads.
Which is updated more often, Text to Speech PDF Reader or AI Text To Speech Voice Reader?
Text to Speech PDF Reader ships an update every 10 days, and AI Text To Speech Voice Reader every 2 days. Most recently, Text to Speech PDF Reader was updated on September 26, 2026 and AI Text To Speech Voice Reader on August 5, 2026.

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