# IOM Highways Pro vs 4Warning

The clearest difference is review sentiment: 4Warning at 80% against IOM Highways Pro's 29%. 4Warning also leads on update cadence (every 2 weeks vs every 30 months) and iOS requirement (13.2 vs 15.0). IOM Highways Pro's advantage is in-app purchases (none vs 1). On price, ads and device support there is nothing between them.

Both are free to download. 4Warning sells 1 in-app purchase, starting at $3.99 per year. IOM Highways Pro asks for nothing beyond the download.

IOM Highways Pro ships an update every 30 months, 4Warning every 2 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | IOM Highways Pro | 4Warning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.5 (2 ratings)](https://appshunter.io/ios/app/4warning/id1581580861/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 28.6% of reviews | **80.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 42 MB | 49 MB |
| Requires iOS | 15.0 | **13.2** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andy Dumbell](https://appshunter.io/developer/1248483210) | [Paul Johnson](https://appshunter.io/developer/1581580863) |

## What reviewers say

### IOM Highways Pro

[App page](https://appshunter.io/ios/app/iom-highways-pro/id854734160)

Navigate the Isle of Man's road network with real-time updates from electronic signs and traffic conditions. Plan your journeys efficiently and avoid congestion with live map data and instant notifications for sign changes.

**Highlights:** Live road sign feed, Real-time traffic map, Push notifications for sign changes, Journey planning, Congestion avoidance

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

**In-app purchases:** none


### 4Warning

[App page](https://appshunter.io/ios/app/4warning/id1581580861)

This location-based service alerts users within a half-mile radius of live hazards and traffic disruptions. Report incidents like accidents with text, photos, or voice messages to help others avoid delays.

**Highlights:** Location-based hazard alerts, 1/2 mile alert radius, Report road accidents, Live map with incident icons, Share text, video, photo, voice messages, Avoid traffic delays

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Plan | $3.99 | per year |


## Frequently asked questions

### Is IOM Highways Pro free?

IOM Highways Pro is free to download, with no in-app purchases.

### Is 4Warning free?

4Warning is free to download, with in-app purchases available.

### Do IOM Highways Pro or 4Warning have ads?

Neither IOM Highways Pro nor 4Warning shows ads.

### Which is updated more often, IOM Highways Pro or 4Warning?

IOM Highways Pro ships an update every 30 months, and 4Warning every 2 weeks. Most recently, IOM Highways Pro was updated on October 23, 2026 and 4Warning 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.*