Comparison

WriterDuet vs Quill Writer

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

Head to head
About

WriterDuet

This intuitive screenwriting software offers real-time collaboration and powerful features for writers on the go. Its user-friendly interface allows for instant writing, with robust tools for outlining, reporting, and revision management. Secure and industry-standard, it ensures your work is always saved and accessible.

Highlights
  • Real-time collaboration
  • Offline mode
  • Card outliner
  • Revision drafts
  • Automatic statistics
  • Export from any point
Features
Read full description

A simple and intuitive interface lets you dive into writing instantly on the go or as you lay in bed and stare at your phone screen (check out dark editor if that's you). While we've focused on ease of use for mobile, we also haven't restricted you from taking advantage of all of the power that WriterDuet has to offer on other platforms. So go wild! Industry-standard, secure, and intuitive screenwriting software. Features: • Real-time collaboration between users and devices • Smart line types and one-touch icons • Auto-save • Card outliner • Export from any point in history • Offline mode • Filter by line type or with custom tags • Scene & Location, Character Reports • Automatic statistics • Revision Drafts and Auto-Snapshots Testimonials: "WriterDuet is the most intuitive, most user-friendly scriptwriting software I’ve ever used.” – Ed Solomon (Men in Black, Bill & Ted’s Excellent Adventure) “WriterDuet helped me escape Final Draft. Being web-based gives me the flexibility to write anywhere on any system. And I never have to worry about crashes and lost hours of work ever again. ... I recommend it to every other screenwriter I meet.” – Christopher Ford (SpiderMan: Homecoming, Robot & Frank) “The app saves my whole thought process for me. On top of that, these guys are iterating the app so fast, they're running circles around the industry leader. WriterDuet definitely feels like the future.” – Andy Bobrow (Community, Malcolm in the Middle, Last Man On Earth) "WriterDuet combines instinct and user-friendliness for a unique and exhilarating way for writers to collaborate, whether in real-time or in non-synchronized work. It has features that are vital for teamwork in scriptwriting. It's a meticulously-created gem, and a must-have for collaborations" - Jim Uhls (Fight Club) “Do yourself a favor and use WriterDuet.” – Alisha Brophy & Scott Miles (Nicholl Fellowship 2014 winners, White Girl Problems)

About

Quill Writer

This app provides a distraction-free writing environment for authors and novelists. It helps organize manuscripts, offers AI editing assistance, and allows for creative outlining and collaboration.

Highlights
  • Hierarchical book structure
  • Distraction-free editor
  • AI editing assistance
  • Creative outlining and notes
  • Secure collaboration
  • Offline writing support
Features
Read full description

Quill is the ultimate companion for authors, novelists, and creative writers looking to bring their stories to life. Designed from the ground up to offer a premium, distraction-free writing experience, Quill helps you outline, structure, and refine your manuscripts with ease. KEY FEATURES: • HIERARCHICAL STRUCTURE Organize your books seamlessly. Easily navigate through parts, chapters, and sections with a clean, responsive interface tailored for mobile productivity. • DISTRACTION-FREE EDITOR Focus entirely on your words. Our premium editor supports full formatting, character count tracking, and stable offline writing environments. • AI EDITING ASSISTANCE Elevate your prose with AI suggestions. Review line edits, rewrite suggestions, and formatting updates at the tap of a button (all suggestions require your explicit approval before being applied to your text). • CREATIVE OUTLINING & INKWELL Jot down notes, character sheets, world-building lore, and outline sections. Access your creative assets directly alongside your manuscript draft. • COLLABORATION Share your workspace securely. Work with co-authors, editors, or alpha readers with designated viewer and editor permissions. Start crafting your story today with Quill. Your writing space is ready. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

WriterDuet4 screens
Quill Writer4 screens

Verdict

The call

The clearest difference is in-app purchases: WriterDuet at none against Quill Writer's 2. WriterDuet also leads on ratings volume (81 vs 2) and iOS requirement (13.0 vs 15.0). Quill Writer's advantage is update cadence (every 5 days vs every 2 months) and rating (3.5 vs 3.1). On price, ads, monetization model and device support 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. Quill Writer sells 2 in-app purchases, starting at $12.99 per month. WriterDuet asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Quill Writer holds the better App Store score, 3.5 against 3.1. That said, the two scores are not equally well evidenced: WriterDuet has 81 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

WriterDuet ships an update every 2 months, Quill Writer every 5 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
WriterDuet versus Quill Writer: the parameters behind the verdict, then further details
ParameterWriterDuetQuill Writer
PriceFreeFree
Rating3.1 (81 ratings)3.5 (2 ratings) — better
Positive reviews37.4% of reviews—
Number of ratings81 — better2
Update frequencyEvery 2 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size249 MB38 MB
Age rating12+4+
DeveloperWriterDuet Inc.Veritas Technology Solutions, LLC

Bugs and requests

WriterDuet

Reported bugs

5 issues
  • Freezing on login screen
  • Disappearing text and formatting errors
  • Inability to access or export projects
  • Compatibility issues with newer devices
  • Inconsistent behavior across platforms

Requested features

5 requests
  • Offline mode support
  • Improved mobile app optimization
  • More customization options
  • Better integration with other writing tools
  • Expanded template and formatting options

Quill Writer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

WriterDuet

No in-app purchases

2 purchases

Quill Writer

Subscriptions2
  • Quill Pro$12.991 Month
  • Quill Author$29.991 Month

Questions

Is WriterDuet free?
WriterDuet is free to download, with no in-app purchases.
Is Quill Writer free?
Quill Writer is free to download, with in-app purchases available.
Which has better reviews, WriterDuet or Quill Writer?
Quill Writer is rated higher. WriterDuet averages 3.1 out of 5 from 81 ratings, while Quill Writer averages 3.5 from 2 ratings.
Do WriterDuet or Quill Writer have ads?
Neither WriterDuet nor Quill Writer shows ads.
Which is updated more often, WriterDuet or Quill Writer?
WriterDuet ships an update every 2 months, and Quill Writer every 5 days. Most recently, WriterDuet was updated on November 2, 2026 and Quill Writer on October 31, 2026.

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