# Knil - Universal Links Testing — Developer Tool

> iOS developer tool for testing and validating Universal Links. (iPhone/iPad app by Elaborapp.)

- Source: https://appshunter.io/ios/app/knil-universal-links-testing/id1195310358 (this page in markdown: same URL + `.md`)
- Developer: [Elaborapp](https://appshunter.io/developer/899446598)
- Category: Utilities, Productivity
- Price: Free
- Rating: 4.80/5 from 10 App Store ratings · 3 written reviews indexed
- Age rating: 4+
- Requires: iOS 9.0 · 14 MB
- Languages: American English
- Released: 2018-08-08
- Data updated: 2026-06-03
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/knil-universal-links-testing/id1195310358/reviews.md

## What is Knil?

Knil is a developer tool for Universal Link testing.

- Open source iOS project written in Swift 5
- Fetch and parse apple-app-site-association(AASA) file
- App Store links and metadata
- List all Universal Links. One tap to test!
- Customizable test links
- Link to other validation tools
- Free without ads
- No third-party tracking or analytics

See more on GitHub https://github.com/ethanhuang13/knil

## Key features

- Fetch and parse AASA file
- List and test Universal Links
- Customizable test links
- Links to validation tools
- Open source iOS project

## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/knil-universal-links-testing/id1195310358/reviews.md

### 4/5 — Good testing

*2024-12-17*

Helped validate my AASA file. The UX could do with some refining (like having to be explicit about the file name etc). 

Alas, while the test seemed to work, the redirects to my app still failed.

### 5/5 — Amazing tool

*2020-09-21*

Invaluable for testing universal links. Thank you

Functionality to share custom links would be really useful.

### 4/5 — Works well

*2020-02-17*

This app works! 

Apple documentation is horrible and the ios13 new format doesn't work at all. This app also doesn't accept the new format.

Open source for this project was updated a while back.

## Frequently asked questions about Knil

### What is Knil used for?

Knil is a developer tool specifically designed for testing and validating Universal Links for iOS applications. It helps developers ensure their app correctly handles deep links.

### Is Knil free to use?

Yes, Knil is completely free to use. It is offered as a free application without any advertisements or third-party tracking.

### Does Knil have ads?

No, Knil is ad-free. The developers have stated that the application contains no advertisements and no third-party tracking or analytics.

### What platforms does Knil support?

Knil is an open-source iOS project written in Swift 5. It is supported on iPhone, iPad, and iPod devices.

### How often is Knil updated?

The latest version of Knil was released on October 9, 2019. While it is an open-source project, the last update was in late 2019.

### What is the user rating for Knil?

Knil has a very high user rating of 4.8 stars, based on 10 ratings. This indicates a strong positive sentiment from its users.

### Can Knil test custom Universal Links?

Yes, Knil allows for customizable test links, enabling developers to test specific Universal Link configurations for their applications.

### Where can I find the source code for Knil?

Knil is an open-source iOS project. You can find its source code on GitHub at https://github.com/ethanhuang13/knil.

## Version history (last 4 releases)

### 1.2.0 — 2019-10-09

- Support iOS 13
- Support Dark Mode

### 1.1.0 — 2019-05-27

- Added "Use this URL" button below "I'm Feeling Lucky"
- Fetch from /.well-known folder first, according to Universal Links document
- Improve error message
- Upgrade project to Swift 5

### 1.0.1 — 2018-09-21

- Support iOS 12

### 1.0.0 — 2018-08-06

No release notes.

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## More apps by Elaborapp

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All apps by Elaborapp: https://appshunter.io/developer/899446598

## Related topics

[elaborapp](https://appshunter.io/ios/topics/elaborapp)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-03.*