# App4SHM vs Gargoyle Sentinel

The clearest difference is iOS requirement: App4SHM at 13.0 against Gargoyle Sentinel's 15.5. On price, update cadence, ads and in-app purchases there is nothing between them.

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

App4SHM ships an update every 4 months, Gargoyle Sentinel every 3 months. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | App4SHM | Gargoyle Sentinel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gargoyle-sentinel/id6749488575/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Size | 27 MB | 112 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [COFAC](https://appshunter.io/developer/962813435) | [Gargoyle Systems](https://appshunter.io/developer/1830723387) |

## What reviewers say

### App4SHM

[App page](https://appshunter.io/ios/app/app4shm/id6453887192)

**In-app purchases:** none


### Gargoyle Sentinel

[App page](https://appshunter.io/ios/app/gargoyle-sentinel/id6749488575)

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

**In-app purchases:** none


## Frequently asked questions

### Is App4SHM free?

App4SHM is free to download, with no in-app purchases.

### Is Gargoyle Sentinel free?

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

### Do App4SHM or Gargoyle Sentinel have ads?

Neither App4SHM nor Gargoyle Sentinel shows ads.

### Which is updated more often, App4SHM or Gargoyle Sentinel?

App4SHM ships an update every 4 months, and Gargoyle Sentinel every 3 months. Most recently, App4SHM was updated on October 14, 2026 and Gargoyle Sentinel on October 24, 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.*