PDF Studio vs PDF Pro AI Editor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Studio
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Merge, split, compress and edit PDFs without uploading a single file. Everything runs on your iPhone — no account, no sign-up, nothing leaves your device. One app instead of ten: MERGE PDF Combine multiple PDF files into a single document. Drag to set the order, merge in one tap. SPLIT PDF Split a PDF into separate files, or extract an exact page range from a large document. COMPRESS PDF Get under the email attachment limit without turning your document into mush. ROTATE & REARRANGE PAGES Fix sideways scans, reorder pages, delete the ones you do not need. WATERMARK PDF Stamp DRAFT or CONFIDENTIAL across any page. PROTECT PDF Lock a file with a password and keep private documents encrypted. EXTRACT TEXT & OCR Pull real, selectable text out of a scan, a photo, or a PDF. SCAN TO PDF Point your camera at any document. Auto edge detection crops and straightens each page. Receipts, contracts, ID cards, notes. IMAGE TO PDF Convert JPG, PNG or any photo to PDF. Pick your images, reorder, export one file. PDF TO IMAGE Export any PDF page as a high quality JPG. SIGN PDF Draw your signature once, then place it on any contract or form. READ & SEARCH A fast PDF viewer with in-document search, so you can find any word in a long file. FILES Everything you have made in one place. Search, rename, share, organise. PRIVACY There is no server. Your documents are processed on your device and stay there. No account required, and it all works in airplane mode. PDF STUDIO PREMIUM Premium removes all ads and unlocks unlimited use, as a monthly or yearly auto-renewing subscription. Payment is charged to your Apple ID at confirmation of purchase. The subscription renews automatically unless it is turned off at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours of the end of that period. You can manage or cancel your subscription in your App Store account settings after purchase. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://iamadeeb.github.io/pdfstudio-legal/?lang=en&doc=privacy
PDF Pro AI Editor
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PDF Pro AI gives you 28 practical PDF tools in a private, iOS-native workspace. Open a document from Files, Mail, Safari, or another app, make the changes you need, and save a new copy while the original stays unchanged. EDIT AND REVIEW • Read, search, print, share, and listen to PDFs • Fill compatible AcroForm fields • Add text, signatures, highlights, opaque covers, stamps, and watermarks • Move, resize, edit, or delete app-created document blocks • Ask questions about extractable PDF text on device CREATE AND ORGANIZE • Scan paper documents with Apple's document scanner • Turn selected photos into a PDF • Merge PDFs and extract, rotate, delete, reorder, or number pages • Export rendered pages as PNG images CONVERT AND ENHANCE • Export extractable text as a Word-compatible RTF document • Recognize page text on device and export it as TXT • Enhance scanned pages into a clearer grayscale PDF copy COMPRESS AND PROTECT • Compress one PDF or a batch of PDFs into measured new copies • Choose high-quality, balanced, or small-file output • Protect a compatible PDF copy with a new password • Unlock a compatible PDF using its known password PRIVATE DOCUMENT ASSISTANT Ask questions or summarize extractable PDF text without uploading the document. Eligible devices can use Apple's on-device language model. Other supported devices use a clearly labeled local extractive result with source excerpts. BUILT FOR YOUR CONTROL • No account • No subscription or feature paywall • No advertising or tracking • No app-initiated document upload • Files, camera, photos, printing, and sharing are used only when you choose them Compatibility varies for malformed PDFs, XFA or JavaScript forms, certificate signatures, uncommon encryption, image-only search, and third-party PDF features. Word-compatible export contains extractable text rather than recreating the original layout. OCR and assistant results should be checked before relying on important details.
Screenshots
Verdict
The clearest difference is in-app purchases: PDF Pro AI Editor at none against PDF Studio's 2. PDF Pro AI Editor also leads on update cadence (daily vs every 2 weeks). PDF Studio's advantage is iOS requirement (15.5 vs 17.0). On price, ads and device support 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. PDF Studio sells 2 in-app purchases, starting at $2.99 per month. PDF Pro AI Editor asks for nothing beyond the download.
PDF Studio ships an update every 2 weeks, PDF Pro AI Editor daily. The most recent releases landed on August 27, 2026 and September 15, 2026 respectively.
| Parameter | PDF Studio | PDF Pro AI Editor |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Daily — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.5 — better | 17.0 |
| Further details — not scored | ||
| Size | 94 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Edip Yılmaz | MathArena |
In-app purchases
PDF Studio
- Monthly Pro$2.991 Month
- Yearly Pro$19.991 Year
PDF Pro AI Editor
No in-app purchases





