# Chmod Calculator vs Silo

The clearest difference is price: Silo at Free against Chmod Calculator's $0.99. Silo also leads on update cadence (every 15 months vs every 33 months). Chmod Calculator's advantage is rating (2.0 vs 1.0) and device support (3 vs 1). On ratings volume, ads and in-app purchases there is nothing between them.

Silo is free to download; Chmod Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Chmod Calculator holds the better App Store score, 2.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Chmod Calculator ships an update every 33 months, Silo every 15 months. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Chmod Calculator | Silo |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[2.0 (2 ratings)](https://appshunter.io/ios/app/chmod-calculator/id1073777582/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/silo-private-ai-assistant/id6741248135/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 15 months** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 6 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Andre Yonadam](https://appshunter.io/developer/1006281613) | [Bixby Apps, LLC](https://appshunter.io/developer/436419517) |

## What reviewers say

### Chmod Calculator

[App page](https://appshunter.io/ios/app/chmod-calculator/id1073777582)

This utility app helps users easily calculate file permissions in both numerical and symbolic formats. It supports advanced permission bits like setuid, setgid, and Sticky.

**Highlights:** Numerical permission calculation, Symbolic permission calculation, setuid bit support, setgid bit support, Sticky bit support

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Chmod Calculator free?

Chmod Calculator costs $0.99, with no in-app purchases.

### Is Silo free?

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

### Which has better reviews, Chmod Calculator or Silo?

Chmod Calculator is rated higher. Chmod Calculator averages 2.0 out of 5 from 2 ratings, while Silo averages 1.0 from 1 ratings.

### Do Chmod Calculator or Silo have ads?

Neither Chmod Calculator nor Silo shows ads.

### Which is updated more often, Chmod Calculator or Silo?

Chmod Calculator ships an update every 33 months, and Silo every 15 months. Most recently, Chmod Calculator was updated on November 6, 2026 and Silo on October 30, 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.*