Comparison

PDF Combiner vs Writingly

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

Head to head
About

PDF Combiner

Easily manage PDF files with a user-friendly interface. Merge, split, and extract pages from documents offline. Convert images to PDF and secure your files with passwords.

Highlights
  • Merge PDF documents
  • Split PDF into pages
  • Extract specific pages
  • Document scanner
  • Set/remove PDF password
  • Images to PDF converter
  • Compress and resize images
Features
Read full description

A practical PDF editor and PDF converter built for clear everyday document work. The app gives you a simple way to organize, edit, convert, and prepare PDF documents without relying on complicated software or web-based tools. It is designed for users who need a dependable PDF workflow for work, study, and personal files. Most tools work offline and process documents directly on your device. This helps you work with important files while keeping them under your control, especially when online PDF services are restricted. The only tool that requires an internet connection is Office to PDF, used for converting Word, Excel, and PowerPoint files to PDF. Base PDF tools: • Merge PDF. Combine multiple PDF documents and images into one PDF file. • Images to PDF. Create PDF documents from photos, scans, and image files. • Extract PDF Pages. Save selected pages from a PDF as a new document. • Edit PDF Pages. Reorder, rotate, or delete pages in a PDF document. • Split PDF. Break one PDF document into smaller PDF files. • Scan Documents. Capture documents with your camera and save them as high-quality PDF files. • Protect PDF. Add or remove password protection from a PDF document. Removing protection requires the correct password. • Add Page Numbers to PDF. Place page numbers where you need them in a document. • Align PDF Page Width. Align page width across a PDF document for a more consistent layout. • Text Recognition OCR. Recognize text in scanned documents and images. • Sign PDF. Add a signature to a PDF document. • Compress and Resize Photos. Reduce image file size and adjust image dimensions. Some tools are available in the Pro version: • Compress PDF. Reduce PDF file size for easier sharing and storage. • Office to PDF. Convert Word, Excel, and PowerPoint files to PDF. This tool requires an internet connection. • Photo Templates for PDF. Turn photos into styled PDF documents using templates. • PDF to Images. Export selected PDF pages or a full PDF document as image files. • Add Watermark to PDF. Add text or image watermarks to PDF documents. Privacy Policy https://docs.google.com/document/d/1Ey7ZxLODDc1tQ1_N08LCTCwsi2jnHXEbMZugFv_AiUk/edit?usp=sharing Terms of Use https://docs.google.com/document/d/1BjWeGxiOgNmTs-eCTKq5Y0LfgDBe_sVHDS1h22ZsZ9w/edit?usp=sharing

About

Writingly

Features
Read full description

Unlock your full communication potential with Writingly, the next-generation AI writing assistant and custom keyboard seamlessly integrated into your device. Navigating daily communications can be exhausting—whether you are trying to strike the right professional chord in a high-stakes corporate email, sending a warm note to a loved one, or chatting with international friends across cultural boundaries. Writingly removes the friction of typing by putting powerful, context-aware artificial intelligence directly beneath your fingertips. No more switching apps, copying, and pasting; your words are polished, translated, and perfected right where you type. KEY FEATURES • Instant Grammar Correction: Automatically detects and corrects spelling, punctuation, and structural mistakes—always free to use. • Professional Polish: Shifts your text into a refined, professional, and authoritative tone suitable for business correspondence. • Casual & Friendly: Softens rigid text to deliver relaxed, approachable writing for friends and family. • Natural Phrasing: Analyzes your draft and rephrases it to sound more natural, expressive, and clear. • Romantic Expression: Crafts thoughtful, warm, and heartfelt messages tailored for personal relationships. • Global Translate & Localize: Supports over 80 languages and ensures your phrasing sounds genuinely native. • Cultural Slang: Equips you with authentic, current slang expressions. • Smart Quick Reply: Generates 3 custom, highly relevant reply options to choose from instantly. WHY WRITINGLY? • Universal Keyboard: Works inside any app, from emails to messengers. • Fast & Efficient: Instantly delivers advanced edits in a fraction of a second. • Adaptive AI: Custom-tuned algorithms that recognize nuanced contexts. Download Writingly today and take control of your digital voice! --- SUBSCRIPTION INFORMATION Writingly offers auto-renewing subscription options to unlock unlimited premium AI features: • Title: Writingly Premium Access • Trial: All subscription options start with a 7-day free trial. • Pricing:   - Monthly: $4.99 / month   - 6-Month: $19.99 / every 6 months   - Yearly: $34.99 / year Terms & Privacy: • Privacy Policy: https://www.privacypolicies.com/live/b5df4de2-3d26-4c8c-82df-911093afc33b • Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

PDF Combiner4 screens
Writingly4 screens

Verdict

The call

The clearest difference is update cadence: Writingly at every 3 days against PDF Combiner's every 2 weeks. PDF Combiner's advantage is device support (3 vs 1) and iOS requirement (18.0 vs 26.2). On price, ads and in-app purchases 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 Combiner sells 11 in-app purchases, starting at $3.99 per month and Writingly sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Combiner ships an update every 2 weeks, Writingly every 3 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 7 level
PDF Combiner versus Writingly: the parameters behind the verdict, then further details
ParameterPDF CombinerWritingly
PriceFreeFree
Rating4.8 (293 ratings) — better—
Positive reviews77.3% of reviews—
Number of ratings293 — better—
Update frequencyEvery 2 weeksEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, Mac — betteriPhone
Requires iOS18.0 — better26.2
Further details — not scored
Size20 MB20 MB
Age rating4+4+
DeveloperEvgeniy KonevROBINA HAJIZADA

Bugs and requests

PDF Combiner

Reported bugs

2 issues
  • Password remover not working
  • Saving/resolution issues

Requested features

5 requests
  • Add OCR function
  • Implement cropping/resizing
  • Extend PDF merge limit
  • Improve free version features
  • Clarify "forever" option

Writingly

Not enough reviews yet to summarise bugs or requests.

In-app purchases

11 purchases

PDF Combiner

Subscriptions7
  • Monthly7 Days trial$3.991 Month
  • Pro Weekly$4.997 Days
  • Yearly3 Days trial$9.991 Year
Show 4 more
  • Monthly$9.991 Month
  • 6 Months3 Days trial$24.996 Months
  • Pro Yearly7 Days trial$29.991 Year
  • Pro Yearly3 Days trial$29.991 Year
One-time4
  • Special offer$4.99
  • Pro-version$6.99
  • PRO Forever Special$24.99
Show 1 more
  • PRO Forever$49.99
3 purchases

Writingly

Subscriptions3
  • Monthly Premium Access7 Days trial$4.991 Month
  • 6-Month Premium Access7 Days trial$19.996 Months
  • Yearly Premium Access7 Days trial$29.991 Year

Questions

Is PDF Combiner free?
PDF Combiner is free to download, with in-app purchases available.
Is Writingly free?
Writingly is free to download, with in-app purchases available.
Do PDF Combiner or Writingly have ads?
Neither PDF Combiner nor Writingly shows ads.
Which is updated more often, PDF Combiner or Writingly?
PDF Combiner ships an update every 2 weeks, and Writingly every 3 days. Most recently, PDF Combiner was updated on October 25, 2026 and Writingly on October 28, 2026.

Other comparisons