# Device System Services vs Scanner Z

The clearest difference is ads: Scanner Z at none against Device System Services's shown. Scanner Z also leads on iOS requirement (13.0 vs 16.6). Device System Services's advantage is ratings volume (394 vs 14). On price, rating, update cadence 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 Scanner Z sells 3 in-app purchases, starting at $4.99 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 4.6 for Scanner Z. That said, the two scores are not equally well evidenced: Device System Services has 394 ratings behind it against 14, so its average is the more settled of the two.

Device System Services ships an update every 4 months, Scanner Z every 3 months. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Device System Services | Scanner Z |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (394 ratings)](https://appshunter.io/ios/app/device-system-services-tools/id1126227676/reviews) | **[4.6 (14 ratings)](https://appshunter.io/ios/app/scanner-z-scan-any-documents/id1577460746/reviews)** |
| Number of ratings | **394** | 14 |
| Positive reviews | 52.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 9 MB | 57 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Albert Parti](https://appshunter.io/developer/534966701) | [EVOLLY.APP](https://appshunter.io/developer/1422593523) |

## 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


### Scanner Z

[App page](https://appshunter.io/ios/app/scanner-z-scan-any-documents/id1577460746)

Digitally capture and manage your documents. Easily scan, sign, and convert files to PDF or JPG. Organize your paperwork and share it seamlessly, eliminating the need for physical scanners.

**Highlights:** Scan documents, Sign documents, Convert to PDF/JPG, Organize files, Share documents

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $29.99 | per year |
| Lifetime Premium | $34.99 | one-time |


## Frequently asked questions

### Is Device System Services free?

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

### Is Scanner Z free?

Scanner Z is free to download, with in-app purchases available.

### Which has better reviews, Device System Services or Scanner Z?

Scanner Z is rated higher. Device System Services averages 4.5 out of 5 from 394 ratings, while Scanner Z averages 4.6 from 14 ratings.

### Do Device System Services or Scanner Z have ads?

Device System Services shows ads; Scanner Z does not.

### Which is updated more often, Device System Services or Scanner Z?

Device System Services ships an update every 4 months, and Scanner Z every 3 months. Most recently, Device System Services was updated on October 17, 2026 and Scanner Z on October 8, 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.*