# Kernels vs Copy URL Extension

The clearest difference is price: Kernels at Free against Copy URL Extension's $0.99. Kernels also leads on iOS requirement (13.0 vs 15.0). Copy URL Extension's advantage is device support (4 vs 2). On ads and in-app purchases there is nothing between them.

Kernels is free to download; Copy URL Extension costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Kernels | Copy URL Extension |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.7 (10 ratings)](https://appshunter.io/ios/app/kernels-private-search-engine/id1591632823/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 30 MB | 1 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Funnls LLC](https://appshunter.io/developer/1591632825) | [Tuan Nguyen](https://appshunter.io/developer/1718974993) |

## What reviewers say

### Kernels

[App page](https://appshunter.io/ios/app/kernels-private-search-engine/id1591632823)

This app acts as a personal search engine, allowing you to index and quickly find your saved text, web pages, images, emails, and documents. It prioritizes user privacy and synchronizes your data across devices for easy access anywhere. It helps boost productivity by making your digital information instantly searchable.

**Highlights:** Personal search index, Save text, web pages, images, Search emails and documents, Privacy-focused indexing, Cross-device synchronization, Boost productivity and organization

**Features:** macOS Compatibility

**In-app purchases:** none


### Copy URL Extension

[App page](https://appshunter.io/ios/app/copy-url-extension/id6474364849)

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Kernels free?

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

### Is Copy URL Extension free?

Copy URL Extension costs $0.99, with no in-app purchases.

### Do Kernels or Copy URL Extension have ads?

Neither Kernels nor Copy URL Extension shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*