# Device System Services vs SIM Card Status Checker

The clearest difference is review sentiment: SIM Card Status Checker at 81% against Device System Services's 52%. SIM Card Status Checker also leads on update cadence (monthly vs every 4 months) and rating (4.7 vs 4.5). On price, ratings volume, 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 SIM Card Status Checker sells 18 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

SIM Card Status Checker holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 394 and 881 respectively. Written reviews point the same way: 52% of Device System Services's written reviews are positive against 81% of SIM Card Status Checker's.

Device System Services ships an update every 4 months, SIM Card Status Checker monthly. The most recent releases landed on September 19, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Device System Services | SIM Card Status Checker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (394 ratings)](https://appshunter.io/ios/app/device-system-services-tools/id1126227676/reviews) | **[4.7 (881 ratings)](https://appshunter.io/ios/app/sim-card-status-checker/id1570765076/reviews)** |
| Number of ratings | 394 | **881** |
| Positive reviews | 51.6% of reviews | **80.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 9 MB | 46 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) | [Rana Parulben](https://appshunter.io/developer/1570765078) |

## 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


### SIM Card Status Checker

[App page](https://appshunter.io/ios/app/sim-card-status-checker/id1570765076)

This app provides detailed information about Apple iPhones, including IMEI status, carrier, SIM lock, iCloud status, and blacklist checks. It's useful for verifying a device's legitimacy before purchase or for understanding your current device's specifications.

**Highlights:** iPhone Carrier and SIMlock Checker, iCloud Status Checker, Find My iPhone Status, iPhone Black List Checker, Apple Serial Number Checker, iPhone Warranty Checker

**Features:** macOS Compatibility

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Carrier Unlock Code Service. | $1.99 | one-time |
| Carrier Unlock Code Service. | $2.99 | one-time |
| Unlock Code | $3.00 | one-time |
| Carrier Unlock Code Service. | $3.99 | one-time |
| Carrier Unlock Code Service. | $4.99 | one-time |
| Unlock Code | $10.99 | one-time |
| Unlock Code | $12.99 | one-time |
| Remove Advertisement | $24.99 | one-time |
| Unlock Code | $56.00 | one-time |
| Unlock Code | $106.99 | one-time |
| Carrier Unlock Code Service | $174.99 | one-time |
| Carrier Unlock Code Service. | $179.99 | one-time |
| Carrier Unlock Code Service. | $199.99 | one-time |
| Carrier Unlock Code Service. | $209.99 | one-time |
| Carrier Unlock Code Service. | $219.99 | one-time |
| Carrier Unlock Code Service. | $239.99 | one-time |
| Carrier Unlock Code Service | $249.99 | one-time |
| Carrier Unlock Code Service. | $299.99 | one-time |

**What reviewers like**

- 🚀 Fast and easy to use
- 👍 Brilliant and necessary
- 🔓 Successful unlock
- 👍 Excellent
- 👍 Good app

**What reviewers complain about**

- 🐛 Doesn't work
- 🐛 Scam, doesn't unlock anything
- 🐛 App doesn't work
- 🐛 Para tuzağı (money trap)
- 🐛 Never received any email

**Reported bugs**

- Invalid IMEI number
- No response to inquiry

**Requested features**

- Support for Apple SIM
- Improve email delivery


## Frequently asked questions

### Is Device System Services free?

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

### Is SIM Card Status Checker free?

SIM Card Status Checker is free to download, with in-app purchases available.

### Which has better reviews, Device System Services or SIM Card Status Checker?

SIM Card Status Checker is rated higher. Device System Services averages 4.5 out of 5 from 394 ratings, while SIM Card Status Checker averages 4.7 from 881 ratings.

### Do Device System Services or SIM Card Status Checker have ads?

Both Device System Services and SIM Card Status Checker show ads.

### Which is updated more often, Device System Services or SIM Card Status Checker?

Device System Services ships an update every 4 months, and SIM Card Status Checker monthly. Most recently, Device System Services was updated on September 19, 2026 and SIM Card Status Checker on September 20, 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.*