Comparison

Pdf Studio vs Local TTS

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

Local TTS

This app converts text into lifelike speech using on-device processing. It supports various file formats, including PDFs and Word documents, and allows scanning printed pages. Enjoy offline playback with customizable voices and background audio controls.

Highlights
  • 100% offline text-to-speech
  • Import PDF, EPUB, Word, TXT, Markdown
  • Scan printed pages with camera (OCR)
  • Background playback with lock screen controls
  • iCloud sync across devices
  • Adjustable playback speed
  • Word-by-word highlighting
Features
Read full description

Local TTS turns any text into natural speech with 38 neural voices, powered by the open-source Kokoro-82M and Supertonic 3 engines — 100% offline, right on your iPhone or iPad. Listen to PDFs, e-books, articles, scans, and notes with no internet, no account, and no tracking. Nothing ever leaves your device. TWO OPEN-SOURCE NEURAL ENGINES • Kokoro-82M: 28 natural American and British English voices • Supertonic 3: multilingual voices that read 31 languages, with automatic language detection • Every voice runs entirely on your device — it even works in airplane mode ALL 31 LANGUAGES English, Spanish, French, German, Italian, Portuguese, Dutch, Russian, Ukrainian, Polish, Czech, Slovak, Slovenian, Croatian, Bulgarian, Romanian, Hungarian, Greek, Swedish, Danish, Finnish, Lithuanian, Latvian, Estonian, Turkish, Arabic, Hindi, Indonesian, Vietnamese, Japanese, and Korean. READ FROM ALMOST ANYTHING • Files: import PDF, EPUB, Word (DOCX), TXT, and Markdown • Paper: scan a printed page with the camera, or read text from a photo — on-device OCR • Everything else: paste text or type your own notes A READING VIEW THAT FOLLOWS ALONG • Word-by-word highlighting synced to the audio • Immersive mode: the toolbar and player tuck away while you listen — or pin the player • Make it yours: choose the reading font and text size • Search inside a document, jump from the PDF table of contents, and pick up right where you left off • Natural delivery: dates, units, and Roman numerals are read the way people actually say them MADE FOR LISTENING • Background playback with lock screen and Control Center controls • Adjustable playback speed • A different voice for each note, plus tags to keep things organized • Private iCloud sync across iPhone and iPad FREE PLAN • One Supertonic 3 multilingual voice that reads all 31 languages • Three premium Kokoro-82M English voices • Read up to 500 characters per note • No account required — and no ads, ever GO PRO — UNLOCK EVERYTHING • Unlimited text: paste or import with no 500-character cap • The full catalog of all 38 neural voices • Export speech as M4A audio files to play anywhere, on any device • Full multi-page PDF import • Still 100% offline and private, even with Pro SUPPORTED DEVICES On-device neural speech needs a recent chip, so Local TTS requires: • iPhone 12 or later • iPad (10th generation) or later • iPad Air (4th generation) or later • iPad mini (6th generation) or later • iPad Pro (M1, 2021) or later • iOS / iPadOS 18.6 or later Download Local TTS and turn every screen into your personal narrator. • Contact: support@richsoft.app • Privacy Policy: https://richsoft.app/tts/privacy • Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Pdf Studio4 screens
Local TTS4 screens

Verdict

The call

The clearest difference is in-app purchases: Pdf Studio at none against Local TTS's 2. Pdf Studio also leads on iOS requirement (15.5 vs 18.6). Local TTS's advantage is ads (none vs shown) and update cadence (weekly vs every 3 weeks). On price 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. Local TTS sells 2 in-app purchases, starting at $4.99 per month. Pdf Studio asks for nothing beyond the download.

UpkeepUpdate frequency

Pdf Studio ships an update every 3 weeks, Local TTS weekly. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

Scorecard4 real differences · 6 level
Pdf Studio versus Local TTS: the parameters behind the verdict, then further details
ParameterPdf StudioLocal TTS
PriceFreeFree
Rating—4.6 (10 ratings) — better
Positive reviews—80.0% of reviews
Number of ratings—10 — better
Update frequencyEvery 3 weeksWeekly — better
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.5 — better18.6
Further details — not scored
Size57 MB529 MB
Age rating4+4+
DeveloperSatyam SahuRich Soft Co., Ltd

In-app purchases

None

Pdf Studio

No in-app purchases

2 purchases

Local TTS

Subscriptions1
  • Local TTS Pro Monthly$4.991 Month
One-time1
  • Local TTS Pro Lifetime$19.99

Questions

Is Pdf Studio free?
Pdf Studio is free to download, with no in-app purchases.
Is Local TTS free?
Local TTS is free to download, with in-app purchases available.
Do Pdf Studio or Local TTS have ads?
Pdf Studio shows ads; Local TTS does not.
Which is updated more often, Pdf Studio or Local TTS?
Pdf Studio ships an update every 3 weeks, and Local TTS weekly. Most recently, Pdf Studio was updated on November 7, 2026 and Local TTS on November 5, 2026.

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