# Kernels vs PX VScan

The clearest difference is update cadence: PX VScan at every 4 weeks against Kernels's every 2 months. Kernels's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Kernels ships an update every 2 months, PX VScan every 4 weeks. The most recent releases landed on October 6, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Kernels | PX VScan |
| --- | --- | --- |
| Price | Free | Free |
| 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 | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 30 MB | 55 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Funnls LLC](https://appshunter.io/developer/1591632825) | [PackageX](https://appshunter.io/developer/1441408747) |

## 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


### PX VScan

[App page](https://appshunter.io/ios/app/px-vscan/id6749626958)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kernels free?

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

### Is PX VScan free?

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

### Do Kernels or PX VScan have ads?

Neither Kernels nor PX VScan shows ads.

### Which is updated more often, Kernels or PX VScan?

Kernels ships an update every 2 months, and PX VScan every 4 weeks. Most recently, Kernels was updated on October 6, 2026 and PX VScan on October 28, 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.*