TransLex vs PDFex
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
TransLex
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Got a letter you can't read? TransLex translates it and explains what it actually means. Point your camera at a letter, or upload a PDF, and TransLex gives you the full translation plus a plain-language summary: what the document says, what you need to do, and any deadline you must not miss. TEXTBOOKS, PAPERS AND WHOLE BOOKS Upload a 200-page PDF and get it back in your language, formatted like the original. Studying? Ask for a summary, a plain-language explanation or a key-terms glossary. The free plan translates the first ten pages of any document; Premium translates all of it. WHAT MAKES IT DIFFERENT Most translation apps hand you the words and stop there. TransLex also tells you what to do with them. Choose the kind of document you are holding and the explanation is written for that situation: โข Government letters โ tax, immigration, licensing, benefits, city and utility notices โข School letters โ permission forms, fees, what your child needs โข Medical and lab results โ every term explained in everyday words โข Leases and landlord notices โ rent, deadlines, notice periods, deposits โข Insurance letters and claim decisions โ what is covered, what was decided, how to respond โข Contracts and agreements โ obligations, money, cancellation terms HOW IT WORKS 1. Take a photo of the document or upload a file (PDF, Word, Excel, CSV, images) 2. Choose your language and the type of document 3. Read the translation, the summary, and the list of what to do FEATURES โข Camera scan with text extraction โ no typing, no copy-paste โข Works with PDF, Word, Excel, CSV and photos โข Translate into and out of dozens of languages โข Your own glossary โ keep names and key terms translated the same way every time โข Side-by-side bilingual PDF export, so you can hand the document to someone else โข Custom instructions โ ask for a summary, simpler wording, or a specific tone โข Translation history, saved on your device FREE AND PREMIUM Every day you get free translations to use however you like. Need more in one sitting? Watch a short video to unlock another, or subscribe for unlimited translations, all document types and side-by-side PDF export. IMPORTANT TransLex is an AI translation tool for understanding documents. It is not a certified or sworn translation service, and it does not provide legal, medical, immigration or financial advice. For official submissions that require a certified translation, use an accredited translator. Always confirm anything important with the organisation that sent you the document. Questions or feedback: translexapps@gmail.com EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
PDFex
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Read in another language. Understand more. Remember what matters. PDFex helps you translate documents and turn your content into useful study material, all in one place. TRANSLATE YOUR PDFs Translate text-based PDFs while retaining their layout where possible. Open the translated PDF in the app, then save or share it. Scanned PDFs use text recognition and produce a readable translated PDF; their original layout is not retained. TURN CONTENT INTO STUDY MATERIAL Create concise summaries, quizzes, flashcards, matching exercises, fill-in-the-blank exercises and open-ended questions. Review wrong quiz answers and return to saved study progress. START WITH THE CONTENT YOU HAVE Import a PDF or text document, paste a supported YouTube link, upload an audio file, or translate text from a photo. YouTube captions must be available; supported formats and size limits apply. KEEP YOUR RESULTS TOGETHER Search your library, filter by result type, mark favorites and rename results so you can find them again. MADE FOR EVERYDAY READING AND LEARNING Use PDFex to explore an article, review course material, understand a document or practice what you have learned. AI-generated content can contain mistakes; check important information against your source. SUBSCRIPTION AND CREDITS An active subscription is required to create results. Each plan includes a credit quota, and the app shows the estimated credit cost before you start. On renewal, credits reset to the plan quota; unused credits do not carry over. Document length, file size and page limits apply. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.erayjs.com/pdfex/privacy
Screenshots
Verdict
The clearest difference is ads: PDFex at none against TransLex's shown. PDFex also leads on update cadence (every 4 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement 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
Both are free to download. TransLex sells 2 in-app purchases, starting at $0.99 per month 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.
TransLex ships an update every 2 weeks, PDFex every 4 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.
| Parameter | TransLex | PDFex |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 4 days โ better |
| Ads | Yes | No โ better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 | 16.4 |
| Further details โ not scored | ||
| Size | 56 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | Tal Nir | Eray Can Topcu |
In-app purchases
TransLex
- Premium Monthly Plan3 Days trial$0.991 Month
- Premium Annual Plan$9.991 Year
PDFex
- Weekly$2.997 Days
- Monthly$9.991 Month
- Yearly$89.991 Year









