Comparison

WriterDuet vs Open Callsheet

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

Open Callsheet

This app automatically organizes important information from your email callsheets, saving you time. It uses AI to read and extract details, allowing quick access to daily schedules and contact information. You can also manually import PDFs for easy reference.

Highlights
  • Automatic callsheet detection from email
  • Manual PDF import
  • Smart text selection for web, maps, and phone
  • On-the-go reference
  • AI-powered organization
Features
Read full description

Open Callsheet provides single button callsheet access for fast and easy on-the-go reference to all of the information for the day. It uses powerful neural networks to read and organize callsheets it finds in your email so you don't have to go routing through your email attachments every time you need to find a piece of information. Callsheet detection can search your email automatically or PDFs can be imported manually Smart text selection provides easy linking to Web Search, Maps, and Phone App Terms of Use: http://newendian.com/opencs-policies

Screenshots

WriterDuet4 screens
Open Callsheet3 screens

Verdict

The call

The clearest difference is rating: Open Callsheet at 4.0 against WriterDuet's 3.1. Open Callsheet also leads on update cadence (every 3 weeks vs every 2 months). WriterDuet's advantage is in-app purchases (none vs 1) and ratings volume (72 vs 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. Open Callsheet sells 1 in-app purchase, starting at $0.99 per year. WriterDuet asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Open Callsheet holds the better App Store score, 4.0 against 3.1. That said, the two scores are not equally well evidenced: WriterDuet has 72 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

WriterDuet ships an update every 2 months, Open Callsheet every 3 weeks. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 6 level
WriterDuet versus Open Callsheet: the parameters behind the verdict, then further details
ParameterWriterDuetOpen Callsheet
PriceFreeFree
Rating3.1 (72 ratings)4.0 (1 ratings) — better
Positive reviews37.4% of reviews—
Number of ratings72 — better1
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size249 MB21 MB
Age rating12+4+
DeveloperWriterDuet Inc.New Endian LLC

Customer experience

WriterDuet

All ratings72 ratings
Positive48.6%
Neutral11.1%
Negative40.3%
Written reviews230 reviews
Positive37.4%
Neutral9.6%
Negative53.0%

Open Callsheet

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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

Open Callsheet

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

WriterDuet

No in-app purchases

1 purchases

Open Callsheet

Subscriptions1
  • Open Callsheet Subscription$0.991 Year

Questions

Is WriterDuet free?
WriterDuet is free to download, with no in-app purchases.
Is Open Callsheet free?
Open Callsheet is free to download, with in-app purchases available.
Which has better reviews, WriterDuet or Open Callsheet?
Open Callsheet is rated higher. WriterDuet averages 3.1 out of 5 from 72 ratings, while Open Callsheet averages 4.0 from 1 ratings.
Do WriterDuet or Open Callsheet have ads?
Neither WriterDuet nor Open Callsheet shows ads.
Which is updated more often, WriterDuet or Open Callsheet?
WriterDuet ships an update every 2 months, and Open Callsheet every 3 weeks. Most recently, WriterDuet was updated on October 17, 2026 and Open Callsheet on October 7, 2026.

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