Comparison

PDF Translate vs InkStack

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

Head to head
About

PDF Translate

Instantly translate PDF documents and text into over 23 languages. This app offers a fast and simple way to understand foreign-language content, ideal for students, travelers, and professionals. Your documents are processed privately without requiring an account.

Highlights
  • Translate any PDF document
  • Quick text translation
  • Supports 23+ languages
  • Fast and simple interface
  • Private processing, no account needed
  • Premium features available
Features
Read full description

PDF Translate is the fastest way to translate PDF documents and text on your phone. Whether you're reading a foreign-language contract, studying abroad, or working with international clients โ€” PDF Translate gets it done in seconds. TRANSLATE ANY PDF Upload any PDF document and receive a fully translated version in your target language. Supports 23+ languages. TEXT TRANSLATION Quickly translate any text with the built-in text translator. Paste, type, or copy โ€” get results instantly. 23+ LANGUAGES SUPPORTED English, Spanish, French, German, Italian, Portuguese, Russian, Arabic, Chinese, Japanese, Korean, Dutch, Polish, Swedish, Danish, Finnish, Norwegian, Greek, Hebrew, Hindi, Thai, Vietnamese, Turkish. FAST & SIMPLE No complicated settings. Upload, select language, translate. Done in seconds. PRIVATE BY DEFAULT No account required. Your documents are processed and never stored on our servers. PREMIUM Unlimited PDF translations, no advertisements, priority processing. Available as monthly, yearly, or lifetime access. PDF Translate is perfect for students reading foreign academic papers, travelers dealing with local documents, professionals handling international contracts, and anyone working with foreign-language content. Terms: https://enesgenc.space/pdf-translate/terms-of-use.html Privacy: https://enesgenc.space/pdf-translate/privacy-policy.html

About

InkStack

Features
Read full description

Inkstack is the on-device PDF maker for iPhone: write it, say it, or snap it โ€” then save a PDF without uploading your files. CREATE A PDF โ€ข Text to PDF โ€” type notes or a letter and export a clean multi-page document โ€ข Voice to PDF โ€” dictate, edit the transcript, then save โ€ข Image to PDF โ€” photos or camera; each picture becomes a page EDIT WHAT YOU ALREADY HAVE โ€ข Merge PDFs into one file โ€ข Split a PDF into single pages โ€ข Rotate, reorder, or delete the pages you tap โ€ข Drag to highlight exact words โ€” not a random box on page one โ€ข Sign with your finger โ€ข Fill forms and add a watermark โ€ข Search text in the document PROTECT & SHARE โ€ข Password-protect before you send โ€ข Compress for email and WhatsApp โ€ข OCR for scans so text is selectable โ€ข Print, share, or export pages as images โ€ข Saved files live in the Files tab on this iPhone WHY INKSTACK No account. No cloud for your documents. Create from notes, voice, or photos first โ€” then merge, split, sign, and lock. The app is free and supported by labeled ads. Ads never cover buttons or the keyboard. Tools are not locked behind ads. Privacy: https://sites.google.com/view/inkstackprivacypolicy Support: https://sites.google.com/view/instack-sup

Screenshots

PDF Translate3 screens
InkStack4 screens

Verdict

The call

The clearest difference is in-app purchases: InkStack at none against PDF Translate's 5. PDF Translate's advantage is ads (none vs shown) and iOS requirement (15.1 vs 26.2). On price, update cadence 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. PDF Translate sells 5 in-app purchases, starting at $1.99 per 7 days. InkStack asks for nothing beyond the download.

UpkeepUpdate frequency

PDF Translate ships an update every 2 weeks, InkStack every 3 weeks. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.

Scorecard3 real differences ยท 5 level
PDF Translate versus InkStack: the parameters behind the verdict, then further details
ParameterPDF TranslateInkStack
PriceFreeFree
Positive reviews0.0% of reviewsโ€”
Update frequencyEvery 2 weeks โ€” betterEvery 3 weeks
AdsNo โ€” betterYes
In-app purchasesYesNo โ€” better
MonetizationFree with in-app purchasesโ€”
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.1 โ€” better26.2
Further details โ€” not scored
Size38 MB17 MB
Age rating4+4+
DeveloperENES GENCYogesh Rathod

In-app purchases

5 purchases

PDF Translate

Subscriptions3
  • 1 Week Premium3 Days trial$1.997 Days
  • 1 Month Premium$2.991 Month
  • 12 Month Premium7 Days trial$9.991 Year
One-time2
  • 10 PDF Credit$2.99
  • Lifetime$14.99
None

InkStack

No in-app purchases

Questions

Is PDF Translate free?
PDF Translate is free to download, with in-app purchases available.
Is InkStack free?
InkStack is free to download, with no in-app purchases.
Do PDF Translate or InkStack have ads?
InkStack shows ads; PDF Translate does not.
Which is updated more often, PDF Translate or InkStack?
PDF Translate ships an update every 2 weeks, and InkStack every 3 weeks. Most recently, PDF Translate was updated on October 25, 2026 and InkStack on October 12, 2026.

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