# Device System Services vs UDP/TCP/REST Network Utility

The clearest difference is update cadence: Device System Services at every 4 months against UDP/TCP/REST Network Utility's every 37 months. Device System Services also leads on ratings volume (394 vs 38) and review sentiment (52% vs 43%). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Device System Services sells 1 one-off in-app purchase and UDP/TCP/REST Network Utility sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for Device System Services against 4.4 for UDP/TCP/REST Network Utility. That said, the two scores are not equally well evidenced: Device System Services has 394 ratings behind it against 38, so its average is the more settled of the two. Written reviews are what separate them: 52% of Device System Services's written reviews are positive against 43% of UDP/TCP/REST Network Utility's.

Device System Services ships an update every 4 months, UDP/TCP/REST Network Utility every 37 months. The most recent releases landed on September 19, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Device System Services | UDP/TCP/REST Network Utility |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (394 ratings)](https://appshunter.io/ios/app/device-system-services-tools/id1126227676/reviews)** | [4.4 (38 ratings)](https://appshunter.io/ios/app/udptcprest-network-utility/id1246823651/reviews) |
| Number of ratings | **394** | 38 |
| Positive reviews | **51.6% of reviews** | 42.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 months** | Every 37 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 9 MB | 8 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Albert Parti](https://appshunter.io/developer/534966701) | [JC Accounting & Innovative Technologies, Inc](https://appshunter.io/developer/1246822420) |

## 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


### UDP/TCP/REST Network Utility

[App page](https://appshunter.io/ios/app/udptcprest-network-utility/id1246823651)

This app provides comprehensive network testing tools, including UDP and TCP client/server functionality, REST API requests, and network scanning. It allows users to send and receive data in various formats and analyze network performance.

**Highlights:** UDP send/receive, TCP client/server, REST API requests (GET, POST, PUT, DELETE), Network scanner with port testing, IP address and interface information, Data formatting (string, hex, JSON)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full access and no ads. | $0.99 | per month |


## Frequently asked questions

### Is Device System Services free?

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

### Is UDP/TCP/REST Network Utility free?

UDP/TCP/REST Network Utility is free to download, with in-app purchases available.

### Which has better reviews, Device System Services or UDP/TCP/REST Network Utility?

Device System Services is rated higher. Device System Services averages 4.5 out of 5 from 394 ratings, while UDP/TCP/REST Network Utility averages 4.4 from 38 ratings.

### Do Device System Services or UDP/TCP/REST Network Utility have ads?

Both Device System Services and UDP/TCP/REST Network Utility show ads.

### Which is updated more often, Device System Services or UDP/TCP/REST Network Utility?

Device System Services ships an update every 4 months, and UDP/TCP/REST Network Utility every 37 months. Most recently, Device System Services was updated on September 19, 2026 and UDP/TCP/REST Network Utility on September 11, 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.*