# TrailEye vs Envilink

The clearest difference is update cadence: Envilink at every 3 months against TrailEye's every 10 months. On price, ads, 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.

TrailEye ships an update every 10 months, Envilink every 3 months. The most recent releases landed on September 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TrailEye | Envilink |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.8 (5 ratings)](https://appshunter.io/ios/app/envilink/id6499065145/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 28 MB | 59 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Sellmark Corporation](https://appshunter.io/developer/1708678948) | [Guangdong Envision Technology Limited](https://appshunter.io/developer/1708357662) |

## What reviewers say

### TrailEye

[App page](https://appshunter.io/ios/app/traileye/id6467466921)

**Features:** macOS Compatibility

**In-app purchases:** none


### Envilink

[App page](https://appshunter.io/ios/app/envilink/id6499065145)

Monitor your outdoor spaces with this surveillance camera app. Access live audio and video feeds, review past recordings, and receive real-time alerts based on customizable triggers. Designed for waterproof installation in various outdoor locations.

**Highlights:** Real-time audio and video feeds, Historical recording review, Real-time notifications, Waterproof design, Customizable trigger conditions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TrailEye free?

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

### Is Envilink free?

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

### Do TrailEye or Envilink have ads?

Neither TrailEye nor Envilink shows ads.

### Which is updated more often, TrailEye or Envilink?

TrailEye ships an update every 10 months, and Envilink every 3 months. Most recently, TrailEye was updated on September 30, 2026 and Envilink on October 24, 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.*