# FIRSTGREEN vs Sentinel Trail

The clearest difference is update cadence: Sentinel Trail at every 10 days against FIRSTGREEN's every 3 weeks. 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.

FIRSTGREEN ships an update every 3 weeks, Sentinel Trail every 10 days. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | FIRSTGREEN | Sentinel Trail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sentinel-trail/id6468912038/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free | Free |
| Size | 102 MB | 111 MB |
| Requires iOS | **15.6** | 16.7 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MOVISIO s.r.o.](https://appshunter.io/developer/1364371441) | [Francis Lessard](https://appshunter.io/developer/931309717) |

## What reviewers say

### FIRSTGREEN

[App page](https://appshunter.io/ios/app/firstgreen/id1504658299)

Manage your machines with a comprehensive garage feature. Control the Elise 900 remotely or from the cabin using Bluetooth connectivity.

**Highlights:** Machine garage management, In-cab machine control, Remote machine control, Bluetooth connectivity, Elise 900 specific controls

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Sentinel Trail

[App page](https://appshunter.io/ios/app/sentinel-trail/id6468912038)

This app helps trail networks manage maintenance tasks for various activities like mountain biking and hiking. Users can log issues with GPS accuracy, create detailed tasks with photos and material lists, and assign them to team members for efficient workflow management and budgeting.

**Highlights:** GPS-based trail issue identification, Task creation with photos and material lists, Team collaboration and task assignment, Maintenance work prioritization, Effort and budget planning tools

**In-app purchases:** none


## Frequently asked questions

### Is FIRSTGREEN free?

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

### Is Sentinel Trail free?

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

### Do FIRSTGREEN or Sentinel Trail have ads?

Neither FIRSTGREEN nor Sentinel Trail shows ads.

### Which is updated more often, FIRSTGREEN or Sentinel Trail?

FIRSTGREEN ships an update every 3 weeks, and Sentinel Trail every 10 days. Most recently, FIRSTGREEN was updated on October 3, 2026 and Sentinel Trail on October 15, 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.*