Comparison

Doco Translate vs PdfTranslator

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

Head to head
About

Doco Translate

Features
Read full description

Doco Translate is a powerful PDF translator and AI document reading tool designed to help you understand multilingual documents while preserving layout and ensuring privacy. It supports international journals, academic papers, business reports, compliance documents, and scanned PDFs. It also enables bilingual document creation and offers multiple view modes to improve readability. β€’ Translation Services Integration (Cloud & Local) Doco Translate includes built-in translation services and supports external AI services. You can use API-based AI translation providers or run local models through Ollama and LM Studio, giving you flexible choices between cloud and local processing. β€’ Fast and Accurate Translation Translate documents in seconds with support for 100+ languages. β€’ Layout Preservation Intelligent document structure recognition preserves original formatting, including tables, images, multi-column layouts, and mathematical formulas. β€’ Privacy-First Processing All files are processed and parsed locally on your device and are never uploaded. When connected with local AI models, Doco Translate enables fully offline, end-to-end private document translation. β€’ Layout / Reflow Views Use Layout View to preserve the document’s original formatting, or switch to Reflow View for a clean, continuous reading experience. β€’ Interactive Editing Allows direct editing of translated content within the document for precise control over output quality. β€’ OCR for Scanned Documents Advanced OCR and layout analysis enable accurate translation of scanned PDFs. β€’ Export and Share Export documents in multiple formats including PDF, Picture, Markdown, and plain text for flexible sharing and reuse. PRICING Doco Translate Pro requires a subscription. Choose between monthly and yearly subscriptions. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.docotranslate.com/privacy

About

PdfTranslator

Features
Read full description

PdfTranslator: Professional AI Translator Keeping Original Layout. Deeply optimized for various mainstream document types including academic papers, business contracts, patent documents, and presentations. One-tap mutual translation, keeping the original formatting intact. Now optimized for iPad, with annotation and note mode. [ Core Advantages ] - Keep Original Layout: Deeply analyzes the underlying PDF grid. The translated text is perfectly embedded into its original position. Images, charts, tables, and multi-column layouts remain fully intact without shifting, offering a native reading experience. - Dual Translation Engines: Supports both a built-in local translation engine for 100% offline translation and an AI translation engine powered by the latest large language models (LLMs). - 100% Local & Offline: With the local engine, PDF layout analysis, rendering, and translation are completed entirely on your device with zero internet dependence. Medical records, unpublished papers, and confidential business contracts never leave your device, preventing privacy leaks from the source. - Cutting-Edge LLM Driven: Say goodbye to rigid word-for-word translation. The AI engine leverages the latest large language models for deep contextual understanding and semantic reorganization, delivering precise terminology and natural, fluent translations. Only the text fragments needed for translation are sent β€” your full document is never uploaded, and your translation data is never stored. - Smart Layout Optimization: Intelligently recognizes document elements such as titles and paragraphs. It dynamically plans the display position and font size of the translated text, optimizing readability while respecting the original layout. - Annotation & Note Mode: Mark up PDFs with pen, pencil, highlighter, and lasso tools β€” precision-tuned for Apple Pencil with palm rejection. Take handwritten notes directly on the page while reading, alongside the translation. [ Features ] - Flexible View Modes: Switch freely among "Original Text Only", "Translated Text Only", and "Bilingual Parallel Translation" modes. - Academic Journal Adaptation: Specially optimized for mainstream academic journal PDFs, perfectly handling complex chart hyphenation and formula text wrapping. - Comprehensive Multilingual Support: Easily translate among over 20 mainstream languages, including English, Japanese, Korean, German, French, and Spanish. - Hardware Acceleration: Fully leverages the computing power of Apple Silicon chips to process hundred-page documents in seconds, providing instant local rendering without the wait. - Scanned Document Support: Built-in OCR capabilities ensure scanned PDFs and documents achieve the exact same layout recognition and high-quality translation results. - Native iPad Support: Optimized for iPadOS with Apple Pencil and Split View, delivering a seamless large-screen reading experience. [ Target Audience ] - Researchers & Students: Swiftly conquer foreign-language academic papers and seamlessly track global research trends. - Legal & Business Professionals: Review commercial contracts, industry whitepapers, and patent specifications offline with total peace of mind. - Avid Readers: Read imported original PDF e-books and long technical manuals without any language barriers. [ Auto-Renewable Subscription Terms ] - Subscription & Pricing: You can subscribe monthly to unlock all premium features. Actual pricing will be displayed inside the app. - Auto-Renewal: Your Apple ID account will be charged for renewal within 24 hours prior to the end of the current period. Once charged, the subscription automatically renews. - Cancellation: To cancel, please turn off auto-renew manually in your iOS Account Settings at least 24 hours before the end of the current billing cycle. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://pdf-translator.hyv5.cn/privacy

Screenshots

Doco Translate4 screens
PdfTranslator4 screens

Verdict

The call

The clearest difference is update cadence: Doco Translate at every 5 days against PdfTranslator's fortnightly. Doco Translate also leads on iOS requirement (18 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Doco Translate sells 2 in-app purchases, starting at $2.99 per month and PdfTranslator sells 2 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Doco Translate ships an update every 5 days, PdfTranslator fortnightly. Both last shipped on October 31, 2026.

Scorecard2 real differences Β· 4 level
Doco Translate versus PdfTranslator: the parameters behind the verdict, then further details
ParameterDoco TranslatePdfTranslator
PriceFreeFree
Update frequencyEvery 5 days β€” betterFortnightly
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, Mac β€” betteriPhone, iPad
Requires iOS18 β€” better26.0
Further details β€” not scored
Size63 MB96 MB
Age rating4+4+
Developerζ¬’ 钜源 何

In-app purchases

2 purchases

Doco Translate

Subscriptions2
  • Doco Translate PRO (Monthly)$2.991 Month
  • Doco Translate PRO (Yearly)$26.991 Year
2 purchases

PdfTranslator

Subscriptions2
  • Monthly Subscription1 Month trial$14.991 Month
  • Annual Subscription$119.991 Year

Questions

Is Doco Translate free?
Doco Translate is free to download, with in-app purchases available.
Is PdfTranslator free?
PdfTranslator is free to download, with in-app purchases available.
Do Doco Translate or PdfTranslator have ads?
Neither Doco Translate nor PdfTranslator shows ads.
Which is updated more often, Doco Translate or PdfTranslator?
Doco Translate ships an update every 5 days, and PdfTranslator fortnightly. Most recently, Doco Translate was updated on October 31, 2026 and PdfTranslator on October 31, 2026.

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