# Guard Viewer vs Cavline

The clearest difference is review sentiment: Cavline at 100% against Guard Viewer's 24%. Cavline also leads on rating (5.0 vs 2.8). Guard Viewer's advantage is ads (none vs shown) and ratings volume (220 vs 5). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Cavline holds the better App Store score, 5.0 against 2.8. That said, the two scores are not equally well evidenced: Guard Viewer has 220 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 24% of Guard Viewer's written reviews are positive against 100% of Cavline's.

Guard Viewer ships an update every 4 weeks, Cavline every 5 weeks. The most recent releases landed on October 17, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Guard Viewer | Cavline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (220 ratings)](https://appshunter.io/ios/app/guard-viewer/id1026746566/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/cavline/id6755809261/reviews)** |
| Number of ratings | **220** | 5 |
| Positive reviews | 24.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 weeks** | Every 5 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 102 MB | 90 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [KeyLife International Technology Limited](https://appshunter.io/developer/1761477677) | [Cavline Global Inc.](https://appshunter.io/developer/1856500256) |

## What reviewers say

### Guard Viewer

[App page](https://appshunter.io/ios/app/guard-viewer/id1026746566)

Access and manage your surveillance products remotely. View live or recorded video from network cameras and NVRs, receive alarms, and control cloud devices directly from your mobile phone.

**Highlights:** Remote surveillance access, Live video streaming, Recorded video playback, Alarm notifications, Cloud device management

**In-app purchases:** none

**What reviewers like**

- 👍 Works flawlessly
- 🚀 Fast and responsive
- 💡 Excellent camera control features
- 🔒 Secure remote access

**What reviewers complain about**

- 🐛 Frequent crashes and disconnections
- ⚠️ Unreliable live streaming and playback
- 🔌 Compatibility issues with recent iOS updates
- 🤯 Confusing user interface

**Reported bugs**

- Login issues after recent update
- Inability to delete user accounts
- Time sync problems between app and NVR
- Inconsistent camera detection

**Requested features**

- Add support for Apple TV
- Improve notification system
- Introduce bulk management of cameras
- Provide more customization options


### Cavline

[App page](https://appshunter.io/ios/app/cavline/id6755809261)

This app connects advertisers with brick-and-mortar businesses for hyper-local ad campaigns. It uses AI to optimize ad creation, targeting, and performance tracking, while also allowing businesses to earn revenue by hosting ads and individuals to build ad networks.

**Highlights:** AI-driven hyper-local ad network, AI-powered ad creation and optimization, Targeted advertising by demographics and business niche, Real-time campaign analytics, Revenue generation for businesses hosting ads, Network building for passive income

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Guard Viewer free?

Guard Viewer is free to download, with no in-app purchases.

### Is Cavline free?

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

### Which has better reviews, Guard Viewer or Cavline?

Cavline is rated higher. Guard Viewer averages 2.8 out of 5 from 220 ratings, while Cavline averages 5.0 from 5 ratings.

### Do Guard Viewer or Cavline have ads?

Cavline shows ads; Guard Viewer does not.

### Which is updated more often, Guard Viewer or Cavline?

Guard Viewer ships an update every 4 weeks, and Cavline every 5 weeks. Most recently, Guard Viewer was updated on October 17, 2026 and Cavline on October 12, 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.*