# Draft Paper vs ArithMetric Construction Calc

The clearest difference is ratings volume: Draft Paper at 16K against ArithMetric Construction Calc's 41. ArithMetric Construction Calc's advantage is review sentiment (75% vs 51%) and update cadence (every 4 days vs every 2 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Draft Paper sells 1 one-off in-app purchase and ArithMetric Construction Calc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ArithMetric Construction Calc holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: Draft Paper has 16K ratings behind it against 41, 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 75% of ArithMetric Construction Calc's.

Draft Paper ships an update every 2 weeks, ArithMetric Construction Calc every 4 days. The most recent releases landed on October 26, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Draft Paper | ArithMetric Construction Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (16K ratings)](https://appshunter.io/ios/app/draft-paper/id911636555/reviews) | **[4.6 (41 ratings)](https://appshunter.io/ios/app/arithmetric-construction-calc/id1558500200/reviews)** |
| Number of ratings | **16K** | 41 |
| Positive reviews | 50.8% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 2 MB | 6 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Giles Goddard](https://appshunter.io/developer/1752790508) | [Gabor Ragalyi](https://appshunter.io/developer/1558500202) |

## 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


### ArithMetric Construction Calc

[App page](https://appshunter.io/ios/app/arithmetric-construction-calc/id1558500200)

This app helps construction professionals convert and calculate measurements between metric and imperial units in real-time. It offers intuitive controls for design, build, and management tasks, allowing seamless translation of dimensions from CAD drawings to the field.

**Highlights:** Real-time metric to US unit conversion, Calculate areas and dimensions, Supports mm, ft, and inches, Live updating for instant results, Intuitive CAD drawing translation, Advanced preferences in pro version

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ArithMetric Pro Version | $1.99 | one-time |


## Frequently asked questions

### Is Draft Paper free?

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

### Is ArithMetric Construction Calc free?

ArithMetric Construction Calc is free to download, with in-app purchases available.

### Which has better reviews, Draft Paper or ArithMetric Construction Calc?

ArithMetric Construction Calc is rated higher. Draft Paper averages 4.4 out of 5 from 16K ratings, while ArithMetric Construction Calc averages 4.6 from 41 ratings.

### Do Draft Paper or ArithMetric Construction Calc have ads?

Neither Draft Paper nor ArithMetric Construction Calc shows ads.

### Which is updated more often, Draft Paper or ArithMetric Construction Calc?

Draft Paper ships an update every 2 weeks, and ArithMetric Construction Calc every 4 days. Most recently, Draft Paper was updated on October 26, 2026 and ArithMetric Construction Calc on October 6, 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.*