# Device System Services vs TCC Sentinel

The clearest difference is in-app purchases: TCC Sentinel at none against Device System Services's 1. Device System Services's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. Device System Services sells 1 one-off in-app purchase. TCC Sentinel asks for nothing beyond the download.

## The numbers

| Metric | Device System Services | TCC Sentinel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (394 ratings)](https://appshunter.io/ios/app/device-system-services-tools/id1126227676/reviews)** | — |
| Number of ratings | **394** | — |
| Positive reviews | 51.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 4 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 6 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Albert Parti](https://appshunter.io/developer/534966701) | [Aleut Community of St. Paul Island Tribal Government](https://appshunter.io/developer/1329178887) |

## What reviewers say

### Device System Services

[App page](https://appshunter.io/ios/app/device-system-services-tools/id1126227676)

Monitor your device's hardware, network, memory, and storage with detailed insights and performance tracking. Includes diagnostic tools for network analysis and storage management. Offers widgets for real-time system information.

**Highlights:** Hardware specifications, Network status and diagnostics, Memory usage monitoring, Ping, LAN Scan, Port Scan tools, Storage management, System information widgets

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads System Service | $1.99 | one-time |

**What reviewers like**

- 👍 Clean and easy-to-use interface
- 🚀 Fast and responsive performance
- 📊 Comprehensive system information display
- 🌐 Useful network information details
- ⏱️ Shows device uptime information

**What reviewers complain about**

- 📺 Excessive full-screen video advertisements
- 🔊 Intrusive ads with sound that startle users
- ⚠️ Misleading security/storage warning popups
- 🎮 Irrelevant ads (e.g., game ads on iOS)
- 💰 Ads present even in paid version

**Reported bugs**

- App crashes on startup/launch
- Crashes when network module acquires external IP
- Requires airplane mode or disabled connectivity to function
- Incorrect device specifications (resolution, model variants)
- Static pie charts instead of dynamic system statistics

**Requested features**

- Option to delete accidentally copied items
- System reset functionality to restore original settings
- Camera information display
- External USB disk space usage tracking
- Memory cleaning/optimization features


### TCC Sentinel

[App page](https://appshunter.io/ios/app/tcc-sentinel/id6462672367)

**In-app purchases:** none


## Frequently asked questions

### Is Device System Services free?

Device System Services is free to download, with in-app purchases available.

### Is TCC Sentinel free?

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

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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.*
