# Device System Services vs Phone Checker

The clearest difference is in-app purchases: Phone Checker at none against Device System Services's 1. Phone Checker also leads on update cadence (every 6 weeks vs every 4 months). Device System Services's advantage is rating (4.5 vs 4.0) and ratings volume (392 vs 7). On price, review sentiment, ads and device support there is nothing between them.

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

Device System Services holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Device System Services has 392 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 52% of Device System Services's written reviews are positive against 50% of Phone Checker's.

Device System Services ships an update every 4 months, Phone Checker every 6 weeks. The most recent releases landed on November 1, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Device System Services | Phone Checker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (392 ratings)](https://appshunter.io/ios/app/device-system-services-tools/id1126227676/reviews)** | [4.0 (7 ratings)](https://appshunter.io/ios/app/phone-checker-test-my-device/id1610903422/reviews) |
| Number of ratings | **392** | 7 |
| Positive reviews | **52.3% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 9 MB | 26 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) | [Hoang Minh Thanh](https://appshunter.io/developer/1451592225) |

## 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


### Phone Checker

[App page](https://appshunter.io/ios/app/phone-checker-test-my-device/id1610903422)

This utility app allows you to thoroughly test your device's hardware and sensors. It checks functions like touch screen, camera, microphone, and GPS, providing a comprehensive overview of your phone's performance. Identify any potential issues with your device's components.

**Highlights:** Device information display, Hardware function testing, Sensor diagnostics, Touch screen tests, Camera and microphone checks, Connectivity testing (Wi-Fi, Bluetooth), Warranty and activation status

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

**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 Phone Checker free?

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

### Which has better reviews, Device System Services or Phone Checker?

Device System Services is rated higher. Device System Services averages 4.5 out of 5 from 392 ratings, while Phone Checker averages 4.0 from 7 ratings.

### Do Device System Services or Phone Checker have ads?

Both Device System Services and Phone Checker show ads.

### Which is updated more often, Device System Services or Phone Checker?

Device System Services ships an update every 4 months, and Phone Checker every 6 weeks. Most recently, Device System Services was updated on November 1, 2026 and Phone Checker on October 4, 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.*