Comparison

PDF Scanner, PDF Editor App vs Sign Documents

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

Head to head
About

PDF Scanner, PDF Editor App

This app allows you to scan documents, books, and IDs using your camera, convert them to various formats like PDF and JPG, and edit existing PDFs. You can also add signatures, text, and manage pages within the app.

Highlights
  • Camera scanning to PDF
  • Document conversion (JPG, Word, PPT)
  • PDF editing (compress, sign, text, pages)
  • QR code scanning
  • Document translation
Features
Read full description

All-in-one scanner app to scan, convert and edit PDF, documents. KEY FEATURES: CAMERA SCAN to PDF > Scan documents > Scan books > Scan passports/ID cards > Scan QR Code > Translate documents CONVERT DOCUMENTS > JPG to PDF > PDF to JPG > Word to PDF > PDF to Word > PPT to PDF EDIT PDF > Compress PDF > Add signature > Add, highlight or erase text > Rotate, crop PDF > Merge PDF > Split PDF > Delete PDF pages UPGRADE TO PREMIUM: Unlock all features | Monthly subscription $9.99 | 6-Month subscription $24.99 | Lifetime: $49.99 Information about the auto-renewal of subscription: Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. The cost depends on the selected plan. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Any unused portion of the free trial will be forfeited when the user purchases a subscription. Privacy Policy: https://www.dmusoftware.com/privacy Terms of Use: https://www.dmusoftware.com/terms

About

Sign Documents

Easily sign and manage your documents with a built-in scanner. Digitize paper, add signatures and stamps, and share your finalized files. Supports various document types for a streamlined workflow.

Highlights
  • Add digital signatures
  • Insert stamps
  • Scan documents
  • Create documents from photos
  • Sign PDF, DOC, XLS
  • Share and print documents
Features
Read full description

Sign Documents with One Tap! Scan any document, sign it, and send it to your colleagues. Key Features: - Sign Documents: Easily add digital signatures to your documents. - Add Stamps: Instantly insert stamps onto documents. - Scan Documents: Use the built-in scanner to digitize paper documents. - Create Documents from Photos: Turn photos into complete documents. - Sign Any Document Type: Supports formats like PDF, DOC, XLS, and more. - Share and Print: Send documents to colleagues and print them directly from the app. Make the process of signing documents easier and faster with our app! Privacy Policy: https://signdocapp.click/privacy Terms of Use: https://signdocapp.click/terms

Screenshots

PDF Scanner, PDF Editor App4 screens
Sign Documents4 screens

Verdict

The call

The clearest difference is review sentiment: PDF Scanner, PDF Editor App at 100% against Sign Documents's 0%. Sign Documents's advantage is ads (none vs shown) and rating (4.7 vs 4.5). On price, update cadence, in-app purchases and monetization model 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 Scanner, PDF Editor App sells 3 in-app purchases, starting at $9.99 per month and Sign Documents sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Sign Documents holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Sign Documents has 158 ratings behind it against 23, so its average is the more settled of the two. Written reviews complicate that: 100% of PDF Scanner, PDF Editor App's written reviews are positive against 0% of Sign Documents's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

PDF Scanner, PDF Editor App ships an update fortnightly, Sign Documents weekly. The most recent releases landed on September 30, 2026 and October 16, 2026 respectively.

Scorecard4 real differences · 6 level
PDF Scanner, PDF Editor App versus Sign Documents: the parameters behind the verdict, then further details
ParameterPDF Scanner, PDF Editor AppSign Documents
PriceFreeFree
Rating4.5 (23 ratings)4.7 (158 ratings) — better
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings23158 — better
Update frequencyFortnightlyWeekly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size145 MB34 MB
Age rating4+4+
DeveloperDMU Software Company LimitedJulia Kucharska

Customer experience

PDF Scanner, PDF Editor App

All ratings23 ratings
Positive87.0%
Neutral8.7%
Negative4.3%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Sign Documents

All ratings158 ratings
Positive93.7%
Neutral1.3%
Negative5.1%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

3 purchases

PDF Scanner, PDF Editor App

Subscriptions2
  • PDFscanner Monthly$9.991 Month
  • PDFscanner Halfyear$24.996 Months
One-time1
  • PDFscanner Lifetime$39.99
5 purchases

Sign Documents

Subscriptions5
  • Weekly PRO$4.997 Days
  • Weekly PRO Subscription3 Days trial$4.997 Days
  • Weekly Premium3 Days trial$9.997 Days
Show 2 more
  • Annual PRO$29.991 Year
  • Annual Premium$49.991 Year

Questions

Is PDF Scanner, PDF Editor App free?
PDF Scanner, PDF Editor App is free to download, with in-app purchases available.
Is Sign Documents free?
Sign Documents is free to download, with in-app purchases available.
Which has better reviews, PDF Scanner, PDF Editor App or Sign Documents?
Sign Documents is rated higher. PDF Scanner, PDF Editor App averages 4.5 out of 5 from 23 ratings, while Sign Documents averages 4.7 from 158 ratings.
Do PDF Scanner, PDF Editor App or Sign Documents have ads?
PDF Scanner, PDF Editor App shows ads; Sign Documents does not.
Which is updated more often, PDF Scanner, PDF Editor App or Sign Documents?
PDF Scanner, PDF Editor App ships an update fortnightly, and Sign Documents weekly. Most recently, PDF Scanner, PDF Editor App was updated on September 30, 2026 and Sign Documents on October 16, 2026.

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