# Kernels vs CleanSpace

The clearest difference is update cadence: CleanSpace at every 3 weeks against Kernels's every 2 months. Kernels's advantage is iOS requirement (13.0 vs 16.0). 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, CleanSpace every 3 weeks. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Kernels | CleanSpace |
| --- | --- | --- |
| 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 3 weeks** |
| Monetization | Free | — |
| Size | 30 MB | 1 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Funnls LLC](https://appshunter.io/developer/1591632825) | [涛 李](https://appshunter.io/developer/1858273276) |

## 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


### CleanSpace

[App page](https://appshunter.io/ios/app/cleanspace-phone-file-cleanup/id6786601294)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kernels free?

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

### Is CleanSpace free?

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

### Do Kernels or CleanSpace have ads?

Neither Kernels nor CleanSpace shows ads.

### Which is updated more often, Kernels or CleanSpace?

Kernels ships an update every 2 months, and CleanSpace every 3 weeks. Most recently, Kernels was updated on October 6, 2026 and CleanSpace on October 15, 2026.

---

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