# Keylines vs SixD

The clearest difference is in-app purchases: SixD at none against Keylines's 1. SixD also leads on ratings volume (29 vs 1). Keylines's advantage is rating (5.0 vs 4.8) and iOS requirement (15.0 vs 26.0). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Keylines sells 1 one-off in-app purchase. SixD asks for nothing beyond the download.

Keylines holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: SixD has 29 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Keylines | SixD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/keylines/id6443838591/reviews)** | [4.8 (29 ratings)](https://appshunter.io/ios/app/sixd/id6448773500/reviews) |
| Number of ratings | 1 | **29** |
| Positive reviews | — | 90.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Monetization | Free | Free |
| Size | 2 MB | 143 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [明亮 李](https://appshunter.io/developer/1649800454) | [Haolun Yang](https://appshunter.io/developer/1683302030) |

## What reviewers say

### Keylines

[App page](https://appshunter.io/ios/app/keylines/id6443838591)

Overlay a customizable grid on screenshots to accurately measure layout dimensions, margins, and padding. This tool streamlines design and development workflows by enabling detailed analysis of app interfaces.

**Highlights:** Screenshot grid overlay, Measure layout sizes, Analyze margins and padding, Customizable grid size, Customizable line colors, Speeds up design process

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Use Pixel as Coordinates | $0.99 | one-time |


### SixD

[App page](https://appshunter.io/ios/app/sixd/id6448773500)

Learn and create with SwiftUI through an intuitive interface. Explore components, design graphically, and get native SwiftUI code. Browse SF Symbols with natural language search.

**Highlights:** SwiftUI component exploration, Native graphical design interface, Copy SwiftUI code directly, Interactive UI design foundations, Natural language SF Symbols search

**In-app purchases:** none


## Frequently asked questions

### Is Keylines free?

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

### Is SixD free?

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

### Which has better reviews, Keylines or SixD?

Keylines is rated higher. Keylines averages 5.0 out of 5 from 1 ratings, while SixD averages 4.8 from 29 ratings.

### Do Keylines or SixD have ads?

Neither Keylines nor SixD shows ads.

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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.*