Comparison

Pdf Studio vs Offline Text to Speech

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

Head to head
About

Pdf Studio

Features
Read full description

Listen and read books and great stories together with Pdf Studio. Now you can listen to a good book even when you can’t pick one up—on your commute to work, when training at the gym, while folding laundry, when traveling or any other time. It's always good and more interactive when you listen what you read. Pdf Studio App is very useful for reading novels, ebooks, syllabus books, etc... Pdf Studio makes any time a story time with great audible functionality of reading pdfs. Pdf Studio is fastest, smallest and simplest of all its kind. Why use Pdf Studio? 1. Listen with text 2. Makes your pdf audible 3. Change Language anytime 4. Jump directly to a particular page 5. Play and pause anytime 6. Full screen view for easy reading 7. Change text size as per your need

About

Offline Text to Speech

Transform your documents and e-books into audiobooks with high-quality, natural-sounding voices. Enjoy offline listening without accounts or internet, perfect for on-the-go access.

Highlights
  • Offline PDF and EPUB conversion
  • High-quality, natural-sounding voices
  • No account or internet required
  • Adjustable playback speeds
  • Lock screen and headphone controls
  • Chapter navigation
Features
Read full description

Turn your PDFs and EPUBs into audiobooks, right on your phone. Add a book, pick a narrator and press play. It reads to you in a natural voice and highlights each sentence as it goes, so you can listen with your eyes closed or follow along. USE IT OFFLINE • Every voice runs on your phone, so it keeps reading with no signal: on a plane, the subway or the road • No account, no sign-up required • Your books stay on your device READ IN YOUR LANGUAGE • Narration in 30+ languages, including Spanish, French, German, Portuguese, Italian, Japanese, Korean, Hindi, Arabic and Russian • Every book is read in its own language • The app itself is available in 19 languages 70,000+ CLASSIC BOOKS • Unlocking ProTTS includes a gallery of 70,000+ public-domain books from Project Gutenberg • Or add any EPUB or PDF of your own LISTEN ANYWHERE • Keep listening with your screen locked • Play, pause and skip from your Lock Screen or headphones MADE FOR READING • 10 natural narrators • Each sentence is highlighted as it's read • Tap any sentence to jump there • Move between chapters • Speeds from 0.5x to 3x • Day and night themes • No ads WHAT YOUR PURCHASE INCLUDES ProTTS requires a purchase to use. Unlocking the app gives you every narrator, every feature and the full book gallery to access. Hear it before you pay: during setup, type anything and listen to your narrator read it. Then unlock the full app, book gallery included. Terms of Use: https://novel-reader-api.vercel.app/terms

Screenshots

Pdf Studio4 screens
Offline Text to Speech4 screens

Verdict

The call

The clearest difference is in-app purchases: Pdf Studio at none against Offline Text to Speech's 2. Offline Text to Speech's advantage is ads (none vs shown) and update cadence (every 9 days vs every 3 weeks). On price, device support and iOS requirement 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. Offline Text to Speech sells 2 in-app purchases, starting at $2.99 per month. Pdf Studio asks for nothing beyond the download.

UpkeepUpdate frequency

Pdf Studio ships an update every 3 weeks, Offline Text to Speech every 9 days. The most recent releases landed on November 7, 2026 and November 10, 2026 respectively.

Scorecard3 real differences · 6 level
Pdf Studio versus Offline Text to Speech: the parameters behind the verdict, then further details
ParameterPdf StudioOffline Text to Speech
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 weeksEvery 9 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Subscription
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.515.0 — better
Further details — not scored
Size57 MB75 MB
Age rating4+4+
DeveloperSatyam SahuKEVIN JIN

In-app purchases

None

Pdf Studio

No in-app purchases

2 purchases

Offline Text to Speech

Subscriptions1
  • TTS Reader Unlimited3 Days trial$2.991 Month
One-time1
  • TTS Reader Lifetime$6.99

Questions

Is Pdf Studio free?
Pdf Studio is free to download, with no in-app purchases.
Is Offline Text to Speech free?
Offline Text to Speech is free to download, with in-app purchases available.
Do Pdf Studio or Offline Text to Speech have ads?
Pdf Studio shows ads; Offline Text to Speech does not.
Which is updated more often, Pdf Studio or Offline Text to Speech?
Pdf Studio ships an update every 3 weeks, and Offline Text to Speech every 9 days. Most recently, Pdf Studio was updated on November 7, 2026 and Offline Text to Speech on November 10, 2026.

Other comparisons