# Keylines vs CometChat Builder

The clearest difference is in-app purchases: CometChat Builder at none against Keylines's 1. CometChat Builder also leads on iOS requirement (13.0 vs 15.0). 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. CometChat Builder asks for nothing beyond the download.

## The numbers

| Metric | Keylines | CometChat Builder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/keylines/id6443838591/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | Free | Free |
| Size | 2 MB | 66 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [明亮 李](https://appshunter.io/developer/1649800454) | [CometChat Inc.](https://appshunter.io/developer/1790694976) |

## 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 |


### CometChat Builder

[App page](https://appshunter.io/ios/app/cometchat-builder/id6740586011)

Explore and customize pre-built chat UI components for your applications. This tool allows developers and designers to visualize and test different themes, colors, and layouts for seamless chat integration.

**Highlights:** Interactive UI components, Customizable themes, colors, and layouts, Layout testing, Design exploration, Hands-on demonstration

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

**In-app purchases:** none


## Frequently asked questions

### Is Keylines free?

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

### Is CometChat Builder free?

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

### Do Keylines or CometChat Builder have ads?

Neither Keylines nor CometChat Builder 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.*