# Device System Services vs IoT Assistant

The clearest difference is rating: Device System Services at 4.5 against IoT Assistant's 3.6. Device System Services also leads on review sentiment (52% vs 20%) and ratings volume (394 vs 15). IoT Assistant's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

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

Device System Services holds the better App Store score, 4.5 against 3.6. That said, the two scores are not equally well evidenced: Device System Services has 394 ratings behind it against 15, 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 20% of IoT Assistant's.

Device System Services ships an update every 4 months, IoT Assistant every 3 months. The most recent releases landed on October 11, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Device System Services | IoT Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (394 ratings)](https://appshunter.io/ios/app/device-system-services-tools/id1126227676/reviews)** | [3.6 (15 ratings)](https://appshunter.io/ios/app/iot-assistant/id1491361441/reviews) |
| Number of ratings | **394** | 15 |
| Positive reviews | **51.6% of reviews** | 19.6% 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 | 71 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Albert Parti](https://appshunter.io/developer/534966701) | [Carnegie Mellon University](https://appshunter.io/developer/336857960) |

## 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


### IoT Assistant

[App page](https://appshunter.io/ios/app/iot-assistant/id1491361441)

Discover and manage the data collected by Internet of Things devices. Understand who is collecting your information, how it's used, and access privacy controls. Receive customized notifications about data practices.

**Highlights:** Discover IoT data collection, Understand data usage, Access privacy controls, Receive customized notifications, Manage data sharing

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 💡 Interesting concept/idea
- ✨ Beautiful/cute/clear interface
- 👍 Useful for privacy
- 🚀 Seems buttery/smooth (recent review)
- 🤩 Great concept/design

**What reviewers complain about**

- ❌ Limited/dated/sparse data
- ❌ App doesn't work/crashes/won't load
- ❌ Verification email issues
- ❌ Registration/signup loop/errors
- ❌ No device discovery/scanning

**Reported bugs**

- Web page errors after signup
- App crashes after map loads
- App won't progress past setup screen
- Map loads then crashes
- Different screen pops up and disappears

**Requested features**

- Ability to add device through the app
- Option to opt out of data sharing
- User manual


## Frequently asked questions

### Is Device System Services free?

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

### Is IoT Assistant free?

IoT Assistant is free to download, with no in-app purchases.

### Which has better reviews, Device System Services or IoT Assistant?

Device System Services is rated higher. Device System Services averages 4.5 out of 5 from 394 ratings, while IoT Assistant averages 3.6 from 15 ratings.

### Do Device System Services or IoT Assistant have ads?

Device System Services shows ads; IoT Assistant does not.

### Which is updated more often, Device System Services or IoT Assistant?

Device System Services ships an update every 4 months, and IoT Assistant every 3 months. Most recently, Device System Services was updated on October 11, 2026 and IoT Assistant on September 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*