# WriterDuet vs AI Scan 3D

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.

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.

## The numbers

| Metric | WriterDuet | AI Scan 3D |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | **[3.1 (81 ratings)](https://appshunter.io/ios/app/writerduet/id1237820649/reviews)** | — |
| Number of ratings | **81** | — |
| Positive reviews | 37.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 249 MB | 7 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [WriterDuet Inc.](https://appshunter.io/developer/1237820648) | [Alejandro Hernandez Mitre](https://appshunter.io/developer/1827109770) |

## What reviewers say

### WriterDuet

[App page](https://appshunter.io/ios/app/writerduet/id1237820649)

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:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Intuitive and easy to use
- 👍 Convenient cross-device sync and collaboration
- 🚀 Efficient formatting and layout
- 👍 Great for beginners and professionals
- 👍 Helpful customer support

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🐛 Syncing and formatting issues
- 🐛 Unreliable performance on mobile devices
- 💰 Expensive subscription model
- 🔒 Concerns about data security and account access

**Reported bugs**

- 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**

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


### AI Scan 3D

[App page](https://appshunter.io/ios/app/ai-scan-3d/id6762030292)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is WriterDuet free?

WriterDuet is free to download, with no in-app purchases.

### Is AI Scan 3D free?

AI Scan 3D costs $5.99, with no in-app purchases.

### Do WriterDuet or AI Scan 3D have ads?

Neither WriterDuet nor AI Scan 3D shows ads.

### Which is updated more often, WriterDuet or AI Scan 3D?

WriterDuet ships an update every 2 months, and AI Scan 3D every 9 days. Most recently, WriterDuet was updated on October 21, 2026 and AI Scan 3D on October 13, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*