# Device System Services vs Jamf Unlock

The clearest difference is rating: Jamf Unlock at 5.0 against Device System Services's 4.5. Jamf Unlock also leads on in-app purchases (none vs 1) and ads (none vs shown). Device System Services's advantage is ratings volume (394 vs 6). On price, update cadence and device support there is nothing between them.

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

Jamf Unlock holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Device System Services has 394 ratings behind it against 6, so its average is the more settled of the two.

Device System Services ships an update every 4 months, Jamf Unlock every 3 months. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Device System Services | Jamf Unlock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (394 ratings)](https://appshunter.io/ios/app/device-system-services-tools/id1126227676/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/jamf-unlock/id1548795059/reviews)** |
| Number of ratings | **394** | 6 |
| Positive reviews | 51.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 9 MB | 45 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Albert Parti](https://appshunter.io/developer/534966701) | [JAMF Software](https://appshunter.io/developer/290965542) |

## 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


### Jamf Unlock

[App page](https://appshunter.io/ios/app/jamf-unlock/id1548795059)

Unlock your Mac without a password using your mobile device. This app generates identity credentials and pairs with your Mac for seamless authentication for unlocking, system settings, and root commands.

**Highlights:** Passwordless Mac unlocking, Authenticate system settings changes, Secure sudo command execution, Mobile device credential generation, Pairing with Mac, Customizable by IT administrators

**Features:** Apple Wallet, 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 Jamf Unlock free?

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

### Which has better reviews, Device System Services or Jamf Unlock?

Jamf Unlock is rated higher. Device System Services averages 4.5 out of 5 from 394 ratings, while Jamf Unlock averages 5.0 from 6 ratings.

### Do Device System Services or Jamf Unlock have ads?

Device System Services shows ads; Jamf Unlock does not.

### Which is updated more often, Device System Services or Jamf Unlock?

Device System Services ships an update every 4 months, and Jamf Unlock every 3 months. Most recently, Device System Services was updated on October 11, 2026 and Jamf Unlock on October 14, 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.*