# Device System Services vs Blue Sniff

The clearest difference is update cadence: Device System Services at every 4 months against Blue Sniff's every 30 months. Blue Sniff's advantage is iOS requirement (9.0 vs 16.6). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Device System Services sells 1 one-off in-app purchase and Blue Sniff sells 1 one-off in-app purchase. 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 Blue Sniff. Both are backed by a comparable volume of ratings — 394 and 389 respectively. Written reviews are what separate them: 52% of Device System Services's written reviews are positive against 57% of Blue Sniff's.

Device System Services ships an update every 4 months, Blue Sniff every 30 months. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Device System Services | Blue Sniff |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (394 ratings)](https://appshunter.io/ios/app/device-system-services-tools/id1126227676/reviews)** | [4.4 (389 ratings)](https://appshunter.io/ios/app/blue-sniff-bluetooth-scanner/id1205673451/reviews) |
| Number of ratings | **394** | 389 |
| Positive reviews | 52.3% of reviews | **57.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 months** | Every 30 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 9 MB | 26 MB |
| Requires iOS | 16.6 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Albert Parti](https://appshunter.io/developer/534966701) | [Kevin Horvath](https://appshunter.io/developer/1000110315) |

## 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


### Blue Sniff

[App page](https://appshunter.io/ios/app/blue-sniff-bluetooth-scanner/id1205673451)

This application functions as a straightforward Bluetooth scanner, allowing users to detect nearby Bluetooth devices. It offers a simple interface for identifying available connections.

**Highlights:** Bluetooth device detection, Simple interface, Easy to use

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Me Coffee! | $2.99 | one-time |

**What reviewers like**

- 👍 Simple to use
- 🚀 Quick info returns
- 👍 Great app
- 👍 Honest app
- 👍 Works well

**What reviewers complain about**

- 🐛 Too many ads
- 🐛 Ads after purchase
- 🐛 Data not understandable
- 🐛 Detects many false positives
- 🐛 Not working right

**Reported bugs**

- Ads continue after purchase
- Settings not working
- App not working
- Detects nothing
- No display

**Requested features**

- Add distance in addition to signal strength
- Add markers or rename unnamed networks
- Hex dump attributes for better understanding
- Implement more features


## Frequently asked questions

### Is Device System Services free?

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

### Is Blue Sniff free?

Blue Sniff is free to download, with in-app purchases available.

### Which has better reviews, Device System Services or Blue Sniff?

Device System Services is rated higher. Device System Services averages 4.5 out of 5 from 394 ratings, while Blue Sniff averages 4.4 from 389 ratings.

### Do Device System Services or Blue Sniff have ads?

Both Device System Services and Blue Sniff show ads.

### Which is updated more often, Device System Services or Blue Sniff?

Device System Services ships an update every 4 months, and Blue Sniff every 30 months. Most recently, Device System Services was updated on October 17, 2026 and Blue Sniff 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.*