# GiraffeG4 Sentinel User App vs 22 TONS

The clearest difference is ads: GiraffeG4 Sentinel User App at none against 22 TONS's shown. 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.

Both ship on a similar rhythm, roughly every 6 months. Both last shipped on October 30, 2026.

## The numbers

| Metric | GiraffeG4 Sentinel User App | 22 TONS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/giraffeg4-sentinel-user-app/id1585801023/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | Every 6 months |
| Monetization | Free | — |
| Size | 23 MB | 42 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GiraffeG4 Systems LLC](https://appshunter.io/developer/1585801025) | [NIXAP DEVELOPMENT SRL](https://appshunter.io/developer/1488751421) |

## What reviewers say

### GiraffeG4 Sentinel User App

[App page](https://appshunter.io/ios/app/giraffeg4-sentinel-user-app/id1585801023)

This app warns truck and RV operators of low clearance obstacles like bridges and tunnels 100 yards in advance with audible alerts and a map. It also identifies prohibited parkways with low overpasses, offering collision prevention for over 12,000 locations across North America and the UK.

**Highlights:** Audible low clearance warnings, Map-based alerts, Vehicle height input, Prohibited parkway identification, Over 12,000 low clearance locations, Collision prevention

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

**In-app purchases:** none


### 22 TONS

[App page](https://appshunter.io/ios/app/22-tons/id6503347711)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GiraffeG4 Sentinel User App free?

GiraffeG4 Sentinel User App is free to download, with no in-app purchases.

### Is 22 TONS free?

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

### Do GiraffeG4 Sentinel User App or 22 TONS have ads?

22 TONS shows ads; GiraffeG4 Sentinel User App does not.

### Which is updated more often, GiraffeG4 Sentinel User App or 22 TONS?

GiraffeG4 Sentinel User App ships an update every 6 months, and 22 TONS every 6 months. Most recently, GiraffeG4 Sentinel User App was updated on October 30, 2026 and 22 TONS on October 30, 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.*