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Screenshots

  • InkStack screenshot 1
  • InkStack screenshot 2
  • InkStack screenshot 3
  • InkStack screenshot 4

About InkStack

Inkstack is the on-device PDF maker for iPhone: write it, say it, or snap it — then save a PDF without uploading your files. CREATE A PDF • Text to PDF — type notes or a letter and export a clean multi-page document • Voice to PDF — dictate, edit the transcript, then save • Image to PDF — photos or camera; each picture becomes a page EDIT WHAT YOU ALREADY HAVE • Merge PDFs into one file • Split a PDF into single pages • Rotate, reorder, or delete the pages you tap • Drag to highlight exact words — not a random box on page one • Sign with your finger • Fill forms and add a watermark • Search text in the document PROTECT & SHARE • Password-protect before you send • Compress for email and WhatsApp • OCR for scans so text is selectable • Print, share, or export pages as images • 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 — 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

What’s new

Version 1.1 · Updated October 2, 2026

• Performance improvements and stability fixes • Smoother PDF viewing and zoom experience • Faster page loading for large documents • Minor UI refinements across all tools

App privacy

The developer, Yogesh Rathod, reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers: Device ID

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Identifiers: Device ID

Used for: Third-Party Advertising

Alternatives to InkStack

Looking for apps like InkStack? Here are 6 similar apps on the App Store. The highest rated is EcoGPT (4.8/5), and all 6 are free to download.

InkStack vs. alternatives
App Rating Price Last updated Compare
InkStack – Free October 2, 2026
ToDo List: Task Planner – Free Aug 11, 2026 Compare
PDF Translate: In Any Language – Free Sep 17, 2026 Compare
Glazr XLSX & CSV File Editor – Free Sep 30, 2026 Compare
PDF Translator: Document & OCR 4.2 / 5 (477) Free Aug 24, 2026 Compare
LightPDF: AI Chat PDF, Scanner 4.1 / 5 (54) Free Nov 10, 2025 Compare
EcoGPT 4.8 / 5 (8,799) Free Oct 15, 2026 Compare

Compare InkStack with the top alternatives: ratings, updates, ASO score and keyword gaps →