# Opensignal Speed Test Ad Free vs Defender HD

The clearest difference is rating: Opensignal Speed Test Ad Free at 4.5 against Defender HD's 3.3. Opensignal Speed Test Ad Free also leads on update cadence (every 3 weeks vs every 3 months) and ratings volume (18K vs 906). Defender HD's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Opensignal Speed Test Ad Free holds the better App Store score, 4.5 against 3.3. That said, the two scores are not equally well evidenced: Opensignal Speed Test Ad Free has 18K ratings behind it against 906, so its average is the more settled of the two. Written reviews point the same way: 38% of Opensignal Speed Test Ad Free's written reviews are positive against 25% of Defender HD's.

Opensignal Speed Test Ad Free ships an update every 3 weeks, Defender HD every 3 months. The most recent releases landed on November 13, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Opensignal Speed Test Ad Free | Defender HD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (18K ratings)](https://appshunter.io/ios/app/opensignal-speed-test-ad-free/id598298030/reviews)** | [3.3 (906 ratings)](https://appshunter.io/ios/app/defender-hd/id1128509828/reviews) |
| Number of ratings | **18K** | 906 |
| Positive reviews | **37.8% of reviews** | 24.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 18 MB | 133 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Opensignal Inc.](https://appshunter.io/developer/598298033) | [Empowerment Technologies Inc.](https://appshunter.io/developer/1605838244) |

## What reviewers say

### Opensignal Speed Test Ad Free

[App page](https://appshunter.io/ios/app/opensignal-speed-test-ad-free/id598298030)

Analyze your mobile network performance with detailed speed tests for download, upload, and latency across 3G, 4G/LTE, 5G, and WiFi. Compare network providers in your area and assess video streaming quality for popular platforms. This tool helps you understand the true mobile connectivity you're receiving.

**Highlights:** Download, upload, and latency speed tests, Video streaming quality analysis, Network coverage comparison, Signal dashboard and ping test, Connectivity map, Historical test logs

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Reset Stats
- 🚀 Useful practical tool
- 🚀 Simple, clean interface
- 🚀 Features and Navigate
- 🚀 Works well

**What reviewers complain about**

- 🐛 What he** have they done?
- 🐛 Open signal tower loc not working
- 🐛 Tower location option
- 🐛 Directional Arrow not working
- 🐛 Can no longer point towers

**Reported bugs**

- History is all screwed up, dates don't make sense
- Open signal tower loc not working
- Tower location option not working
- Directional Arrow not working
- Can no longer point towers

**Requested features**

- Reset Stats
- Tower location option
- Dark mode option
- Advanced analytics dashboard
- Cell tower compass


### Defender HD

[App page](https://appshunter.io/ios/app/defender-hd/id1128509828)

Access and manage your security system remotely from your smartphone or tablet. View live feeds, playback recorded footage, and receive motion detection alerts.

**Highlights:** View multiple DVRs, Live video feeds, Motion detection notifications, Playback recorded footage, Capture images and video

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Lightning-fast load times
- 🔒 Robust security features
- 👍 Easy to set up and use
- 💡 Useful remote access capabilities

**What reviewers complain about**

- 🐛 Frequent crashes and connectivity issues
- 🔍 Unreliable motion detection and alerts
- 📺 Incompatible with some devices and operating systems
- 🕰️ Slow camera load times and video playback

**Reported bugs**

- Login screen freezes or fails to load
- Cameras randomly go offline or disappear from the app
- Notifications and alerts not working as expected
- Compatibility issues with newer iOS and Android versions

**Requested features**

- Improved motion detection and customizable alerts
- Remote camera control and adjustment options
- Seamless integration across all devices
- Enhanced video playback and export capabilities


## Frequently asked questions

### Is Opensignal Speed Test Ad Free free?

Opensignal Speed Test Ad Free is free to download, with no in-app purchases.

### Is Defender HD free?

Defender HD is free to download, with no in-app purchases.

### Which has better reviews, Opensignal Speed Test Ad Free or Defender HD?

Opensignal Speed Test Ad Free is rated higher. Opensignal Speed Test Ad Free averages 4.5 out of 5 from 18K ratings, while Defender HD averages 3.3 from 906 ratings.

### Do Opensignal Speed Test Ad Free or Defender HD have ads?

Neither Opensignal Speed Test Ad Free nor Defender HD shows ads.

### Which is updated more often, Opensignal Speed Test Ad Free or Defender HD?

Opensignal Speed Test Ad Free ships an update every 3 weeks, and Defender HD every 3 months. Most recently, Opensignal Speed Test Ad Free was updated on November 13, 2026 and Defender HD on November 6, 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.*