Comparison

PDFTranslator vs PDFex

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

Head to head
About

PDFTranslator

Features
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PDF Translator: Keep Layout is the iOS and Mac app that translates PDF documents while preserving the exact layout โ€” 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 โ€” no flow broken, no references lost. Key features: โ€ข Industry-leading AI: Upgraded engine with noticeably higher accuracy on terminology, idioms, and domain-specific phrasing. From quantum physics to legal contracts โ€” translation stays precise and idiomatic across all 49 languages. โ€ข Editable exports: Export your translated PDF as a fully editable Microsoft Word, PowerPoint, or Excel file โ€” ready for citation, sharing, or further editing. โ€ข 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 โ€” even in multilingual documents. โ€ข 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): โ€ข Word (.docx), Excel (.xlsx), PowerPoint (.pptx) โ€” translated directly at the source XML layer, with fonts and formatting preserved at 99 %. โ€ข Image translation (JPG, PNG, HEIC, WebP, TIFF, GIF, BMP) โ€” translate photos, screenshots, or still frames directly. โ€ข Scientific formula preservation (LaTeX, MathML, OMML) โ€” equations remain in their original notation. โ€ข Built-in OCR โ€” runs 100 % locally on device for full privacy. โ€ข Full layout preservation โ€” block-level fidelity to layout, column structure, and reading order. โ€ข PDF/A and scanned PDF support with OCR. โ€ข 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

About

PDFex

Features
Read full description

PDFex โ€“ Translate PDFs Instantly in 100+ Languages! Break language barriers effortlessly. Translate contracts, articles, books, research papers, or any PDF while keeping the original formatting, fonts, tables, images, and layout intact. With PDFex you can: โ€ข Support for 100+ languages including English, Turkish, Spanish, French, German, Arabic, Chinese, Russian, Japanese & more โ€ข AI-powered translations โ€“ context-aware, natural & highly accurate using the latest models โ€ข Perfect format preservation โ€“ no messed-up layouts, tables stay aligned, images remain in place โ€ข Handle large files quickly โ€“ no page limits in premium* โ€ข Easy workflow: Pick file โ†’ Choose languages โ†’ Translate โ†’ Save or share new PDF โ€ข Export as PDF, text, or copy to clipboard โ€ข Privacy focused โ€“ your documents processed securely (on-device where possible or encrypted cloud) Perfect for: Students & academics reading foreign research Business professionals handling international contracts Travelers & expats with local documents Anyone needing fast, reliable multilingual PDF access Why choose PDFex? Superior layout & format retention compared to basic translators Continuously improved AI for better accuracy & fluency Clean, intuitive interface โ€“ translate in seconds Regular updates with new languages & features Start translating today โ€“ download PDFex and overcome any language obstacle! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.erayjs.com/pdfex/privacy

Screenshots

PDFTranslator4 screens
PDFex2 screens

Verdict

The call

The clearest difference is update cadence: PDFex at daily against PDFTranslator's weekly. PDFex also leads on iOS requirement (13.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. PDFTranslator sells 3 in-app purchases, starting at $0.99 per 7 days and PDFex sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDFTranslator ships an update weekly, PDFex daily. The most recent releases landed on September 13, 2026 and September 8, 2026 respectively.

Scorecard2 real differences ยท 4 level
PDFTranslator versus PDFex: the parameters behind the verdict, then further details
ParameterPDFTranslatorPDFex
PriceFreeFree
Update frequencyWeeklyDaily โ€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS16.613.0 โ€” better
Further details โ€” not scored
Size18 MB82 MB
Age rating4+4+
Developer็ณ ๆŽEray Can Topcu

In-app purchases

3 purchases

PDFTranslator

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

PDFex

Subscriptions3
  • Weekly$2.997 Days
  • Monthly$9.991 Month
  • Yearly$89.991 Year

Questions

Is PDFTranslator free?
PDFTranslator is free to download, with in-app purchases available.
Is PDFex free?
PDFex is free to download, with in-app purchases available.
Do PDFTranslator or PDFex have ads?
Neither PDFTranslator nor PDFex shows ads.
Which is updated more often, PDFTranslator or PDFex?
PDFTranslator ships an update weekly, and PDFex daily. Most recently, PDFTranslator was updated on September 13, 2026 and PDFex on September 8, 2026.

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