Comparison

Immersive Translate vs PDFTranslator

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

Head to head
About

Immersive Translate

This AI-powered tool breaks down language barriers with fast, accurate translations for web pages, videos, and documents. Experience dual-language reading, input box translation, and custom AI personas for professional results.

Highlights
  • Dual-language web page reading
  • Bilingual video subtitle translation
  • Input box translation with hotkey
  • File and PDF translation
  • Custom AI industry personas
  • AI contextual translation
Features
Read full description

"Immersive Translate" is the next-generation AI translation tool, trusted by over 20 million users worldwide. We help you break down language barriers and connect with a broader world. Fast & Accurate AI Translation: Integrated with multiple top-tier AI translation models. The Perfect Safari Companion: Seamlessly integrated as a browser extension for comprehensive adaptation. Fully compatible with all major browsers across platforms. Pioneering "Dual-Language" Display: Our unique vertical contrast layout enhances the reading experience by significantly reducing visual "intrusion," offering you the best way to read and translate foreign web pages. 【Extension Features】 - Immersive Web Reading: By intelligently identifying the main content area of a webpage and displaying bilingual translations, we provide a brand-new foreign language reading experience—hence the name "Immersive Translate." - Deep Optimization for Major Sites: We have customized optimizations for Google, Twitter, Reddit, YouTube, Facebook, Bloomberg, The Wall Street Journal, and more. Whether you are searching, socializing, or gathering information, the experience is smoother and more efficient. - Immersive Video Experience: Powered by AI, we support bilingual subtitle translation for dozens of mainstream video sites, including YouTube, Netflix, Coursera, and more. - Input Box Translation: Type your native language in any input box on any webpage and press "Space" three times to instantly translate it into your target language. This immediately unlocks real-time bilingual dialogue experiences for tools like Google Search and AI chats. - Efficient File Translation: One-click export of bilingual e-books, with support for real-time translation of PDF, Subtitle, TXT, and other file formats. - Advanced PDF Translation: We preserve the original document formatting. The Pro version supports complex formula recognition, table recognition, and image OCR within PDFs, ensuring the translation maintains the original layout as much as possible. Perfect for foreign literature, academic papers, product manuals, and more. 【AI Translation Features】 - AI Expert: Support for setting specific AI industry personas to provide more professional translations for specialized content. - AI Terminology: Support for custom glossaries, ensuring the AI uses your specific terms during translation for higher accuracy. - AI Contextual Translation: The system analyzes the full context and professional terminology before translating to provide a more accurate result. (Beta) - AI Subtitles: Intelligently recognizes speech in videos without subtitles and automatically generates bilingual captions. (Beta, currently limited to YouTube) 【Terms of Use】 https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ 【Auto-Subscription Service Instructions】 Payment: Payment will be charged to your Apple Account at confirmation of purchase. Auto-Renewal: Your Apple Account will be charged within 24 hours prior to the end of the current period. The subscription period extends by one cycle upon successful payment. Cancellation: You can manage your automatic subscription in your iPhone "Settings" --> Click "Apple Account" --> Click "Subscriptions." To cancel, please turn off the auto-renew feature at least 24 hours before the end of the current billing cycle. You will not be charged if you cancel within 24 hours of expiration.

About

PDFTranslator

Features
Read full description

PDF Translator: Keep Layout is the iOS and Mac app that translates PDF documents while preserving the exact layout — every chart, formula, image, and text box stays right where it is. Reading foreign-language articles, manuals, contracts, or textbooks? The translated text lands inside the original page design — no flow broken, no references lost. Key features: • Industry-leading AI: Upgraded engine with noticeably higher accuracy on terminology, idioms, and domain-specific phrasing. From quantum physics to legal contracts — translation stays precise and idiomatic across all 49 languages. • Editable exports: Export your translated PDF as a fully editable Microsoft Word, PowerPoint, or Excel file — ready for citation, sharing, or further editing. • Scans and images supported: Reading a scanned PDF? Our built-in OCR runs 100 % locally on device with handwriting-friendly recognition, handling mixed text and images with high accuracy — even in multilingual documents. • 49 languages: English, Chinese, Japanese, Korean, Spanish, French, German, and many more major languages, plus 14 Pro-exclusive academic languages (Latin, Sanskrit, Swahili, Khmer, Kazakh, Uzbek, Mongolian, and others). Also included (Pro): • Word (.docx), Excel (.xlsx), PowerPoint (.pptx) — translated directly at the source XML layer, with fonts and formatting preserved at 99 %. • Image translation (JPG, PNG, HEIC, WebP, TIFF, GIF, BMP) — translate photos, screenshots, or still frames directly. • Scientific formula preservation (LaTeX, MathML, OMML) — equations remain in their original notation. • Built-in OCR — runs 100 % locally on device for full privacy. • Full layout preservation — block-level fidelity to layout, column structure, and reading order. • PDF/A and scanned PDF support with OCR. • 14 Pro-exclusive academic languages, including ancient and minority languages. Supported formats: PDF, DOCX, XLSX, PPTX, JPG, PNG, HEIC, WebP, TIFF, GIF, BMP. PDF Translator: Keep Layout is designed for students, researchers, lawyers, and professionals who need accurate, natural, and readable translations of complex multilingual documents. Privacy: All OCR and translation runs locally on your device. Your documents never leave it. Terms: https://www.apple.com/legal/itunes/dev/stdeula/ Privacy Policy: https://translayout.com/privacy

Screenshots

Immersive Translate4 screens
PDFTranslator4 screens

Verdict

The call

Immersive Translate and PDFTranslator are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Immersive Translate sells 6 in-app purchases, starting at $9.99 per month and PDFTranslator sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Immersive Translate ships an update every 2 weeks, PDFTranslator weekly. The most recent releases landed on October 15, 2026 and October 17, 2026 respectively.

ScorecardNo meaningful differences
Immersive Translate versus PDFTranslator: the parameters behind the verdict, then further details
ParameterImmersive TranslatePDFTranslator
PriceFreeFree
Rating4.6 (539 ratings) — better—
Positive reviews71.0% of reviews—
Number of ratings539 — better—
Update frequencyEvery 2 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, Mac
Requires iOS15.5 — better16.6
Further details — not scored
Size106 MB19 MB
Age rating17+4+
DeveloperFunstory.ai limited琳 李

Bugs and requests

Immersive Translate

Reported bugs

6 issues
  • Subscription issues on Apple
  • Incompatibility with Roku
  • Bugs on Safari extension
  • Auto-detect language not working properly
  • Causing issues with YouTube playback
Show 1 more
  • Inconsistent behavior with configuration settings

Requested features

5 requests
  • Dark mode option
  • Ability to translate PDF files
  • In-app translation option
  • Ability to select and translate individual words
  • Customizable settings for video subtitle translation

PDFTranslator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Immersive Translate

Subscriptions6
  • Monthly Pro$9.991 Month
  • Monthly Pro3 Days trial$9.991 Month
  • Max Monthly Membership$34.991 Month
Show 3 more
  • Annual Pro$79.991 Year
  • Annual Pro3 Days trial$79.991 Year
  • Max annual membership2 variants$289.991 Year
3 purchases

PDFTranslator

Subscriptions3
  • Pro Weekly$0.997 Days
  • Pro Monthly$2.991 Month
  • Pro Yearly1 Year trial$9.991 Year

Questions

Is Immersive Translate free?
Immersive Translate is free to download, with in-app purchases available.
Is PDFTranslator free?
PDFTranslator is free to download, with in-app purchases available.
Do Immersive Translate or PDFTranslator have ads?
Neither Immersive Translate nor PDFTranslator shows ads.
Which is updated more often, Immersive Translate or PDFTranslator?
Immersive Translate ships an update every 2 weeks, and PDFTranslator weekly. Most recently, Immersive Translate was updated on October 15, 2026 and PDFTranslator on October 17, 2026.

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