# Draft Paper vs 3D Viewer by Chief Architect

The clearest difference is rating: Draft Paper at 4.4 against 3D Viewer by Chief Architect's 3.7. Draft Paper also leads on update cadence (every 2 weeks vs every 4 months) and review sentiment (51% vs 31%). 3D Viewer by Chief Architect's advantage is in-app purchases (none vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Draft Paper sells 1 one-off in-app purchase. 3D Viewer by Chief Architect asks for nothing beyond the download.

Draft Paper holds the better App Store score, 4.4 against 3.7. That said, the two scores are not equally well evidenced: Draft Paper has 16K ratings behind it against 527, so its average is the more settled of the two. Written reviews point the same way: 51% of Draft Paper's written reviews are positive against 31% of 3D Viewer by Chief Architect's.

Draft Paper ships an update every 2 weeks, 3D Viewer by Chief Architect every 4 months. The most recent releases landed on October 29, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Draft Paper | 3D Viewer by Chief Architect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (16K ratings)](https://appshunter.io/ios/app/draft-paper/id911636555/reviews)** | [3.7 (527 ratings)](https://appshunter.io/ios/app/3d-viewer-by-chief-architect/id1083656847/reviews) |
| Number of ratings | **16K** | 527 |
| Positive reviews | **50.8% of reviews** | 31.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 2 MB | 152 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Giles Goddard](https://appshunter.io/developer/1752790508) | [Chief Architect](https://appshunter.io/developer/520677645) |

## What reviewers say

### Draft Paper

[App page](https://appshunter.io/ios/app/draft-paper/id911636555)

Create floor plans, layouts, and blueprints with ease using intuitive drawing tools. Support for multiple layers, iCloud, and Dropbox integration allows for seamless workflow. Export your designs to various formats for printing or further editing.

**Highlights:** Draw lines, rectangles, text, and more, Support for multiple layers, Export to PDF, JPEG, and DXF, iCloud and Dropbox integration, Mirror, translate, rotate, and scale operations, Apple Pencil support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Features | $9.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive to use
- 💡 Useful for quick sketches and floor plans
- 🚀 Efficient for basic drafting needs
- 😊 Great value for the price

**What reviewers complain about**

- 🐛 Frequent crashes and loss of work
- 🔧 Limited functionality compared to professional CAD tools
- 🔧 Difficulty with precise measurements and line placement
- 🔧 Lack of advanced features like text editing and color fill

**Reported bugs**

- Saved files disappearing or becoming corrupted
- Inconsistent behavior when zooming and panning
- Inability to import/export files as expected

**Requested features**

- Add copy/paste functionality
- Improve text editing capabilities
- Provide more precise measurement tools
- Implement ability to save multiple versions of a project


### 3D Viewer by Chief Architect

[App page](https://appshunter.io/ios/app/3d-viewer-by-chief-architect/id1083656847)

Explore 3D architectural models in virtual reality. Navigate through home designs with intuitive controls, experiencing them before construction. Ideal for professionals to share immersive project previews with clients.

**Highlights:** Virtual reality navigation, Walk and fly through designs, Exterior, room, and floor plan views, Sojourn 3D navigation tools, Gyro camera for free form viewing, Background camera control

**In-app purchases:** none

**What reviewers like**

- 👍 Great bonus item for clients
- 🚀 Works fine once
- ⭐ Low key elite
- 👍 Very functional
- 👍 Works well to keep clients up to date

**What reviewers complain about**

- 🐛 Cannot view plan on iPad
- 🐛 Keeps crashing
- 🐛 Cannot view link
- 🐛 Images on iPad don't match desktop
- 🐛 Worst app ever

**Reported bugs**

- Cannot open zipped files
- Difficult to import models from Dropbox/OneDrive
- VR mode spins around uncontrollably

**Requested features**

- Support for OneDrive
- AR in full scale
- Ability to make handwritten/design notes on the model
- Markup and add text comments
- Floor plan view that mimics desktop, control layers, see notes


## Frequently asked questions

### Is Draft Paper free?

Draft Paper is free to download, with in-app purchases available.

### Is 3D Viewer by Chief Architect free?

3D Viewer by Chief Architect is free to download, with no in-app purchases.

### Which has better reviews, Draft Paper or 3D Viewer by Chief Architect?

Draft Paper is rated higher. Draft Paper averages 4.4 out of 5 from 16K ratings, while 3D Viewer by Chief Architect averages 3.7 from 527 ratings.

### Do Draft Paper or 3D Viewer by Chief Architect have ads?

Neither Draft Paper nor 3D Viewer by Chief Architect shows ads.

### Which is updated more often, Draft Paper or 3D Viewer by Chief Architect?

Draft Paper ships an update every 2 weeks, and 3D Viewer by Chief Architect every 4 months. Most recently, Draft Paper was updated on October 29, 2026 and 3D Viewer by Chief Architect on October 21, 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.*