Comparison

Document Translator vs PDFTranslator

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

Head to head
About

Document Translator

Translate documents and subtitles privately and offline. Supports PDFs, Word docs, and SRT files with built-in OCR for scanned documents. View original and translated text side-by-side.

Highlights
  • 100% Offline & Private translation
  • Supports PDF, DOCX, SRT, TXT, RTF
  • Smart Dual Reader for side-by-side view
  • Built-in OCR for scanned documents
  • Translation Archive
  • iOS Integration
Features
Read full description

Translate entire documents and subtitles completely offline! This app is the ultimate productivity tool for professionals, students, and travelers who need fast, accurate, and 100% private translation on the go. Forget about copying and pasting text or relying on cloud services: everything is processed directly on your iPhone or iPad. Whether you're reviewing a business contract on a flight, studying a research paper, or watching a movie, simply select your file and let the advanced on-device engine do the rest. Key Features: • 100% Offline & Private: Your documents never leave your device. Download language models once and translate anywhere. • Multi-Format Support: Seamlessly translate PDFs, Word Documents (DOCX), Subtitles (SRT), and plain text files (TXT/RTF). • Smart Dual Reader: Optimized for mobile screens, view the original and translated text side-by-side. • Built-in OCR: Imported a scanned PDF? No problem. Our Vision technology automatically extracts text before translating. • Translation Archive: Keep track of all your completed translations in a dedicated workspace. • iOS Integration: Import files directly from the Files app or iCloud, and share via the iOS Share Sheet with a single tap. Take control of your global documents today! Subscription and Purchase Information: You may purchase an auto-renewing subscription or a one-time purchase through an In-App Purchase. Auto-renewable subscription: • Annual with 3-Days Free Trial • Your subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration selected) unless auto-renew is turned off at least 24 hours before the end of the current period. • The account will be charged for renewal within 24 hours prior to the end of the current period. • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. One-time Purchase: • A non-consumable purchase is available for lifetime access to Pro features. Privacy Policy: https://sites.google.com/site/privacycoldat/ Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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

Document Translator2 screens
PDFTranslator4 screens

Verdict

The call

The clearest difference is update cadence: PDFTranslator at weekly against Document Translator's monthly. PDFTranslator also leads on iOS requirement (16.6 vs 26.0). On price, ads, in-app purchases 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. Document Translator sells 1 in-app purchase, starting at $34.99 per year 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

Document Translator ships an update monthly, PDFTranslator weekly. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

Scorecard2 real differences · 6 level
Document Translator versus PDFTranslator: the parameters behind the verdict, then further details
ParameterDocument TranslatorPDFTranslator
PriceFreeFree
Positive reviews0.0% of reviews—
Update frequencyMonthlyWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, MaciPhone, iPad, Mac
Requires iOS26.016.6 — better
Further details — not scored
Size21 MB19 MB
Age rating4+4+
DeveloperEmanuele Floris琳 李

In-app purchases

1 purchases

Document Translator

Subscriptions1
  • Full Access (3-Day Free Trial)3 Days trial$34.991 Year
3 purchases

PDFTranslator

Subscriptions3
  • Pro Weekly$0.997 Days
  • Pro Monthly$5.991 Month
  • Pro Yearly3 Days trial$29.991 Year

Questions

Is Document Translator free?
Document Translator is free to download, with in-app purchases available.
Is PDFTranslator free?
PDFTranslator is free to download, with in-app purchases available.
Do Document Translator or PDFTranslator have ads?
Neither Document Translator nor PDFTranslator shows ads.
Which is updated more often, Document Translator or PDFTranslator?
Document Translator ships an update monthly, and PDFTranslator weekly. Most recently, Document Translator was updated on October 4, 2026 and PDFTranslator on October 1, 2026.

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