# Silo vs Utility King

The clearest difference is update cadence: Utility King at weekly against Silo's every 15 months. Silo's advantage is iOS requirement (18.6 vs 26.2). 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.

Silo ships an update every 15 months, Utility King weekly. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Silo | Utility King |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/silo-private-ai-assistant/id6741248135/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Weekly** |
| Monetization | Free | — |
| Size | 6 MB | 8 MB |
| Requires iOS | **18.6** | 26.2 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Bixby Apps, LLC](https://appshunter.io/developer/436419517) | [Erdi Kanik](https://appshunter.io/developer/633270074) |

## What reviewers say

### Silo

[App page](https://appshunter.io/ios/app/silo-private-ai-assistant/id6741248135)

This app allows you to run advanced AI language models directly on your iPhone without needing an internet connection or subscriptions. It prioritizes user privacy by keeping all conversations and data solely on your device. You can download and switch between various open-source models, including uncensored options.

**Highlights:** Runs AI models locally on iPhone, No internet connection required, Zero data collection or server requests, Supports multiple open-source LLMs, Import custom models from Hugging Face, Uncensored model output, Local chat history management

**In-app purchases:** none


### Utility King

[App page](https://appshunter.io/ios/app/utility-king/id6762651914)

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

**In-app purchases:** none


## Frequently asked questions

### Is Silo free?

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

### Is Utility King free?

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

### Do Silo or Utility King have ads?

Neither Silo nor Utility King shows ads.

### Which is updated more often, Silo or Utility King?

Silo ships an update every 15 months, and Utility King weekly. Most recently, Silo was updated on October 30, 2026 and Utility King on November 9, 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.*