PDF Editor vs Sign PDF
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Editor
This app offers robust PDF editing and compression tools, allowing you to reduce file sizes by up to 90% while preserving quality. It also provides features for annotating, filling forms, signing documents, and managing PDFs.
- Powerful PDF compression up to 90%
- Edit text, add annotations, and shapes
- Fill forms and add digital signatures
- Highlight, underline, and strikethrough text
- Split, merge, and convert documents
- Scan documents using your camera
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Edit the actual text inside your PDFs—change words, fonts, sizes, and colors, swap out images, and fix typos right on your iPhone or iPad. PDF Editor brings desktop-class editing to your pocket, then lets you annotate, sign, fill forms, and share in seconds. EDIT TEXT & IMAGES DIRECTLY • Tap any paragraph to rewrite, restyle, or delete text • Change fonts, sizes, colors, and alignment • Add, move, resize, or replace images • Fix typos and update documents without a computer ANNOTATE & MARK UP • Highlight, underline, and strikethrough • Add comments, sticky notes, shapes, and arrows • Draw freehand with your finger or Apple Pencil • Insert stamps and custom watermarks SIGN & FILL FORMS • Sign with your finger or a saved signature • Fill out interactive and flat forms • Add dates, checkmarks, and text fields ORGANIZE & CONVERT • Merge, split, reorder, rotate, and delete pages • Scan paper documents with your camera • Convert photos and images to PDF • Extract or duplicate pages SHRINK FILE SIZES • Compress large PDFs to make them easy to email and share • Pick the compression level that fits your needs Whether you're editing a contract, marking up research, or fixing a typo before a deadline, PDF Editor gives you everything you need to work with PDFs—right on your iPhone and iPad. Terms of service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://site.innovaapps.ai/policies/translatorprivacypolicy
Sign PDF
Easily and securely sign PDF documents directly from your mobile device. Add notes and comments to PDFs and share them quickly. Ideal for on-the-go document signing.
- Sign PDF documents quickly
- Secure and reliable signing
- Intuitive user interface
- Add notes and comments
- Share signed PDFs easily
- Sign on the go
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Sign PDF Document turns your iPhone and iPad into a complete PDF office: sign contracts in seconds, fill out forms, scan paper documents and keep everything organized — without printing a single page. SIGN, YOUR WAY • Draw your signature with your finger or Apple Pencil and place it anywhere on the page • Sign with a digital certificate (PAdES): import your .p12 or create one right in the app • Add initials, dates, checkmarks and text • Your signatures are stored securely on your device, ready to reuse FILL AND EDIT • Fill out interactive PDF forms • Add text, highlights and annotations • Stamp images onto any page SCAN AND CONVERT • Scan paper documents with your camera, with automatic edge detection • Run OCR to turn scans into searchable text • Convert Word documents and photos to PDF ORGANIZE AND PROTECT • Merge several PDFs into one and reorder, rotate or delete pages • Compress heavy PDFs so they are easy to share • Lock documents with a password — or remove a password you know CLOUD AND AI • Open and save files in iCloud, Google Drive and OneDrive • Ask the built-in AI Assistant about the document you are reading: summaries, answers, key data in seconds MADE FOR REAL LIFE • Available in 45 languages • The core tools work offline: your documents stay on your device unless you decide to share them PREMIUM FOR LIFE — NO SUBSCRIPTIONS One single purchase unlocks everything, forever. No recurring payments, no account required. A lease, an invoice, a school form or a job contract: sign it and send it back before your coffee gets cold.
Screenshots
Verdict
The clearest difference is ads: PDF Editor at none against Sign PDF's shown. PDF Editor also leads on ratings volume (67 vs 18). Sign PDF's advantage is update cadence (every 6 days vs every 2 months) and review sentiment (25% vs 0%). On price, in-app purchases, 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 Editor sells 3 in-app purchases, starting at $3.99 per 7 days and Sign PDF sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Sign PDF holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 67 and 18 respectively. Written reviews point the same way: 0% of PDF Editor's written reviews are positive against 25% of Sign PDF's.
PDF Editor ships an update every 2 months, Sign PDF every 6 days. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.
| Parameter | PDF Editor | Sign PDF |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (67 ratings) | 4.9 (18 ratings) — better |
| Positive reviews | 0.0% of reviews | 25.0% of reviews — better |
| Number of ratings | 67 — better | 18 |
| Update frequency | Every 2 months | Every 6 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Ad-supported — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 74 MB | 75 MB |
| Age rating | 4+ | 4+ |
| Developer | Alex Gameli Heyman | Raquel Martinez Figueirido |
Customer experience
PDF Editor
Sign PDF
In-app purchases
PDF Editor
- Weekly PDF Editor3 Days trial$3.997 Days
- Monthly PDF Editor$9.991 Month
- PDF one time Edit$2.99
Sign PDF
- Premium Plan$9.99








