Comparison

PDF Editor vs Sign PDF

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

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.

Highlights
  • Sign PDF documents quickly
  • Secure and reliable signing
  • Intuitive user interface
  • Add notes and comments
  • Share signed PDFs easily
  • Sign on the go
Features
Read full description

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

PDF Editor4 screens
Sign PDF4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
PDF Editor versus Sign PDF: the parameters behind the verdict, then further details
ParameterPDF EditorSign PDF
PriceFreeFree
Rating4.7 (67 ratings)4.9 (18 ratings) — better
Positive reviews0.0% of reviews25.0% of reviews — better
Number of ratings67 — better18
Update frequencyEvery 2 monthsEvery 6 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumAd-supported — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size74 MB75 MB
Age rating4+4+
DeveloperAlex Gameli HeymanRaquel Martinez Figueirido

Customer experience

PDF Editor

All ratings67 ratings
Positive92.5%
Neutral1.5%
Negative6.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Sign PDF

All ratings18 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

In-app purchases

3 purchases

PDF Editor

Subscriptions2
  • Weekly PDF Editor3 Days trial$3.997 Days
  • Monthly PDF Editor$9.991 Month
One-time1
  • PDF one time Edit$2.99
1 purchases

Sign PDF

One-time1
  • Premium Plan$9.99

Questions

Is PDF Editor free?
PDF Editor is free to download, with in-app purchases available.
Is Sign PDF free?
Sign PDF is free to download, with in-app purchases available.
Which has better reviews, PDF Editor or Sign PDF?
Sign PDF is rated higher. PDF Editor averages 4.7 out of 5 from 67 ratings, while Sign PDF averages 4.9 from 18 ratings.
Do PDF Editor or Sign PDF have ads?
Sign PDF shows ads; PDF Editor does not.
Which is updated more often, PDF Editor or Sign PDF?
PDF Editor ships an update every 2 months, and Sign PDF every 6 days. Most recently, PDF Editor was updated on October 25, 2026 and Sign PDF on October 30, 2026.

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