# TLS Inspector vs Device System Services

The clearest difference is in-app purchases: TLS Inspector at none against Device System Services's 1. TLS Inspector also leads on ads (none vs shown) and review sentiment (83% vs 52%). On price, ratings volume, 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. TLS Inspector asks for nothing beyond the download.

TLS Inspector holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 256 and 394 respectively. Written reviews point the same way: 83% of TLS Inspector's written reviews are positive against 52% of Device System Services's.

TLS Inspector ships an update monthly, Device System Services every 4 months. The most recent releases landed on August 5, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | TLS Inspector | Device System Services |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (256 ratings)](https://appshunter.io/ios/app/tls-inspector/id1100539810/reviews)** | [4.5 (394 ratings)](https://appshunter.io/ios/app/device-system-services-tools/id1126227676/reviews) |
| Number of ratings | 256 | **394** |
| Positive reviews | **83.0% of reviews** | 51.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 18 MB | 9 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ian Spence](https://appshunter.io/developer/572311760) | [Albert Parti](https://appshunter.io/developer/534966701) |

## What reviewers say

### TLS Inspector

[App page](https://appshunter.io/ios/app/tls-inspector/id1100539810)

Inspect TLS certificates for any domain or IP address to understand trust and safety. Detect man-in-the-middle attacks by highlighting invalid certificates. Access detailed certificate properties and integrate with your browser.

**Highlights:** Input domain or IP for inspection, Inspect websites via browser extension, View entire issue chain and trust status, Detailed TLS certificate properties, Detect man-in-the-middle attacks, Share sheet integration with Safari

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- ✅ Essential security utility
- 🔧 Useful for cert renewals
- 📱 Inspects certs on mobile
- 💡 Innovative CA root updating
- 👍 Seamless share sheet integration

**What reviewers complain about**

- 🐛 Share extension not working
- ⚠️ Error messages for updates
- 📉 No longer works for some
- 🥶 App freezes
- 🚫 Unauthorized app claim

**Reported bugs**

- App crash issue fixed
- Share extension 'inspect website' never works
- Error checking for TLS bundle updates
- App freezes
- App locks up, non functional

**Requested features**

- Continue making app great and helpful
- Add dark mode option
- More advanced features


### 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


## Frequently asked questions

### Is TLS Inspector free?

TLS Inspector is free to download, with no in-app purchases.

### Is Device System Services free?

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

### Which has better reviews, TLS Inspector or Device System Services?

TLS Inspector is rated higher. TLS Inspector averages 4.8 out of 5 from 256 ratings, while Device System Services averages 4.5 from 394 ratings.

### Do TLS Inspector or Device System Services have ads?

Device System Services shows ads; TLS Inspector does not.

### Which is updated more often, TLS Inspector or Device System Services?

TLS Inspector ships an update monthly, and Device System Services every 4 months. Most recently, TLS Inspector was updated on August 5, 2026 and Device System Services on September 19, 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.*