WriterDuet vs AI Scan 3D
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Real-time collaboration
- Offline mode
- Card outliner
- Revision drafts
- Automatic statistics
- Export from any point
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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)
AI Scan 3D
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AI Scan 3D turns LiDAR capture into clean 3D references for objects, rooms, and spaces. Scan real geometry, inspect coverage, export mesh files, and generate an on-device CAD JSON profile with approximate dimensions and readiness notes. All processing stays on your device. No cloud uploads, no scan collection. KEY FEATURES: LIDAR CAD ASSIST - Approximate dimensions from captured geometry - CAD readiness score and notes - On-device CAD JSON profile export REAL-TIME SCANNING - Object Mode for focused captures - Room Mode for larger spaces - Live mesh and distance guidance EXPORT FORMATS - USDZ for AR Quick Look - OBJ, STL, and PLY for 3D workflows - CAD JSON for dimension/reference handoff PRIVATE BY DESIGN - Local scan library - Local processing - No account or server upload required Requires a LiDAR-capable iPhone or iPad.
Screenshots
Verdict
The clearest difference is price: WriterDuet at Free against AI Scan 3D's $5.99. WriterDuet also leads on iOS requirement (13.0 vs 17.0). AI Scan 3D's advantage is update cadence (every 9 days vs every 2 months). On ads, in-app purchases 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
WriterDuet is free to download; AI Scan 3D costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.
WriterDuet ships an update every 2 months, AI Scan 3D every 9 days. The most recent releases landed on October 21, 2026 and October 13, 2026 respectively.
| Parameter | WriterDuet | AI Scan 3D |
|---|---|---|
| Price | Free — better | $5.99 |
| Rating | 3.1 (81 ratings) — better | — |
| Positive reviews | 37.4% of reviews | — |
| Number of ratings | 81 — better | — |
| Update frequency | Every 2 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 249 MB | 7 MB |
| Age rating | 12+ | 4+ |
| Developer | WriterDuet Inc. | Alejandro Hernandez Mitre |
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
AI Scan 3D
Not enough reviews yet to summarise bugs or requests.
In-app purchases
WriterDuet
No in-app purchases
AI Scan 3D
No in-app purchases







