# Kernels vs Engines To Search

The clearest difference is update cadence: Engines To Search at every 9 days against Kernels's every 2 months. Engines To Search also leads on rating (5.0 vs 4.7) and review sentiment (100% vs 83%). Kernels's advantage is ratings volume (10 vs 2) and iOS requirement (13.0 vs 16.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Engines To Search holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Kernels has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 83% of Kernels's written reviews are positive against 100% of Engines To Search's.

Kernels ships an update every 2 months, Engines To Search every 9 days. The most recent releases landed on September 19, 2026 and August 30, 2026 respectively.

## The numbers

| Metric | Kernels | Engines To Search |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (10 ratings)](https://appshunter.io/ios/app/kernels-private-search-engine/id1591632823/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/engines-to-search/id6469008405/reviews)** |
| Number of ratings | **10** | 2 |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 30 MB | 8 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Funnls LLC](https://appshunter.io/developer/1591632825) | [Arnold Burg](https://appshunter.io/developer/1710207780) |

## 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


### Engines To Search

[App page](https://appshunter.io/ios/app/engines-to-search/id6469008405)

This app streamlines your search experience by allowing you to input queries once and send them to multiple AI and search engines simultaneously. It offers advanced filtering options and integrates with built-in and Safari browsers for quick result access.

**Highlights:** Centralized search bar for multiple engines, Static and dynamic search bars, Results in built-in or Safari browser, Advanced search result tuning (language, format, tone), SpinText for query variation, Search by date, extensions, and meta keywords

**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 Engines To Search free?

Engines To Search is free to download, with no in-app purchases.

### Which has better reviews, Kernels or Engines To Search?

Engines To Search is rated higher. Kernels averages 4.7 out of 5 from 10 ratings, while Engines To Search averages 5.0 from 2 ratings.

### Do Kernels or Engines To Search have ads?

Neither Kernels nor Engines To Search shows ads.

### Which is updated more often, Kernels or Engines To Search?

Kernels ships an update every 2 months, and Engines To Search every 9 days. Most recently, Kernels was updated on September 19, 2026 and Engines To Search on August 30, 2026.

---

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