TransFlow vs PDF
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TransFlow
Translate foreign language EPUB books into your preferred language using on-device translation. Read translated books with customizable themes and export them to your favorite EPUB readers. Offers both translation-only and bilingual output options.
- On-device EPUB translation
- Bilingual output option
- Customizable reader themes
- Queue multiple books for translation
- Export translated EPUBs
- Pause and resume translation
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Designed for reading in your language! TransFlow turns foreign-language EPUBs into translated EPUBs using Apple’s on-device translation. No API keys, no accounts, no servers — your books never leave your device. Key features: Import a reflowable EPUB, pick source and target languages, and translate on your device Leave anytime — the job pauses and picks up where it left off when you come back Queue several books; switching pauses the current one instead of losing progress Translation-only, or bilingual output that keeps each original passage with its translation below¹ Clean paginated reader with swipe or tap-to-turn pages; remembers your place (including iPad rotation and split screen) Reading themes, font size, line spacing, and margins; extra downloadable fonts¹ The result is a real EPUB — export to Apple Books, ReadFlow, or any EPUB reader¹ Free to download. Translating and reading stay free (translation-only). TransFlow Pro is a one-time purchase that unlocks bilingual output, unlimited exports (3 free to try), automatic light/dark reading theme, and extra fonts. For readers who want the file itself: export a real EPUB anytime and keep reading wherever you like. ¹ Bilingual output, unlimited exports, auto theme, and downloadable fonts require TransFlow Pro. Fixed-layout EPUBs (comics, picture books, heavily designed layouts) are not supported. Translation quality and available languages depend on Apple’s on-device translation. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://is.gd/xWX6SJ
Instantly translate PDF documents using AI. Supports over 100 languages and preserves original formatting. Easily export and share translated files securely from your phone.
- PDF translation
- AI-powered accuracy
- 100+ language support
- Easy export and sharing
- Secure processing
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PDF - AI Document Translator Break language barriers and translate your PDF documents instantly with the power of AI! Whether it’s an eBook, manual, report, or academic paper, PDF - AI Document Translator makes document translation fast, easy, and accurate — right from your phone. Key Features: PDF Translation: Upload any PDF and get it translated into your preferred language in seconds. AI-Powered Accuracy: Smart AI algorithms preserve the original meaning and formatting. Supports 100+ Languages: Translate between English, Spanish, French, Arabic, Chinese, Hindi, and more. Easy Export & Sharing: Save or share the translated PDF with just a tap. Secure & Private: Your documents are processed securely and never stored without permission. Who is it for? Students and researchers reading foreign-language papers Professionals handling global documentation Travelers and expats translating contracts, guides, or forms Anyone needing quick and reliable document translation! Why choose PDF - AI Document Translator? Say goodbye to copy-pasting from PDFs into translation apps. Our app handles complex documents with ease — making translation smarter, faster, and more convenient. Download PDF - AI Document Translator now and experience the future of document translation!
Screenshots
Verdict
The clearest difference is update cadence: PDF at every 2 months against TransFlow's every 17 months. PDF also leads on iOS requirement (15.6 vs 26.0). On price, ads, in-app purchases and monetization model 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
Both are free to download. TransFlow sells 1 one-off in-app purchase and PDF sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
TransFlow ships an update every 17 months, PDF every 2 months. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.
| Parameter | TransFlow | |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 17 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, Mac — better | iPhone, iPod |
| Requires iOS | 26.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 11 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | 实 许 | Yogesh Rathod |
In-app purchases
TransFlow
- TransFlow Pro$9.99
- Five File Translation$4.99
- Ten File Translator$8.99
- Twenty File Translator$14.99
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- Fifty File Translator$24.99








