PDFAuto vs PDF Studio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDFAuto
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PDFAuto - Local PDF AI assistant Transform how you interact with PDFs—100% locally on your device! PDFAuto uses advanced AI to analyze documents, answer questions, and unlock insights without uploading your files anywhere. Features: • AI-powered PDF analysis & comprehension • Real-time Q&A about your documents • Local processing for privacy protection • Support for all PDF formats From research papers to business reports, PDFAuto makes reading interactive. Download now and unlock intelligent document interaction!
PDF Studio
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PDF Studio is your private, all-in-one PDF toolkit — over 70 tools that run entirely on your device. No account, no tracking, no uploads. SCAN & CREATE • Scan documents with automatic edge detection • Turn photos or typed text into clean PDFs EDIT & ORGANIZE • Merge, split, reorder, rotate and delete pages • Compress to shrink file size — even to a target limit • Crop, resize, add margins and page numbers CONVERT • PDF to Word, plain text or images • Make scanned pages searchable with on-device OCR SIGN & PROTECT • Fill forms and sign documents by hand • Password-protect, remove passwords and redact sensitive info • Add watermarks, stamps and headers Beautiful on iPhone, iPad and Mac, with iCloud sync to keep your library on every device. Find any tool instantly with search, favorites and recents. PDF Studio Pro unlocks every tool with a single purchase or subscription. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: PDFAuto at none against PDF Studio's 2. On price, ads, device support and iOS requirement 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 $9.99 per year. PDFAuto asks for nothing beyond the download.
| Parameter | PDFAuto | PDF Studio |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 9 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 97 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | 敏锋 黄 | Birkan Aksoy |
In-app purchases
PDFAuto
No in-app purchases
PDF Studio
- PDF Studio Pro$9.991 Year
- PDF Studio Pro (Lifetime)$24.99









