# TrailerWatchDog vs Always Full

The clearest difference is rating: TrailerWatchDog at 5.0 against Always Full's 1.3. TrailerWatchDog also leads on in-app purchases (none vs 2) and update cadence (every 2 weeks vs every 2 months). Always Full's advantage is ratings volume (24 vs 2) and iOS requirement (12.0 vs 16). On price, ads and device support there is nothing between them.

Both are free to download. Always Full sells 2 in-app purchases, starting at $14.99 per month. TrailerWatchDog asks for nothing beyond the download.

TrailerWatchDog holds the better App Store score, 5.0 against 1.3. That said, the two scores are not equally well evidenced: Always Full has 24 ratings behind it against 2, so its average is the more settled of the two.

TrailerWatchDog ships an update every 2 weeks, Always Full every 2 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | TrailerWatchDog | Always Full |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/trailerwatchdog/id6474664454/reviews)** | [1.3 (24 ratings)](https://appshunter.io/ios/app/always-full/id6737805061/reviews) |
| Number of ratings | 2 | **24** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 33 MB |
| Requires iOS | 16 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TrailerWatchDog LLC](https://appshunter.io/developer/1722228703) | [Always Full LLC](https://appshunter.io/developer/1753635323) |

## What reviewers say

### TrailerWatchDog

[App page](https://appshunter.io/ios/app/trailerwatchdog/id6474664454)

Monitor critical data for your trailers, including axle temperatures, tire pressure, and tire temperatures. This app works with specific monitoring systems from Trailerwatchdog.com.

**Highlights:** Axle temperature monitoring, Tire pressure monitoring, Tire temperature monitoring, Works with TWD monitoring systems, Real-time data

**Features:** macOS Compatibility

**In-app purchases:** none


### Always Full

[App page](https://appshunter.io/ios/app/always-full/id6737805061)

Monitor your pet's water bowl status remotely. Receive alerts for tilt, fill failures, filter replacements, and water level changes. Customize flush cycles and enjoy an optional extended warranty.

**Highlights:** Bowl status dashboard, Push notifications for bowl events, Customizable flush cycles, Extended repair/replace warranty (subscription), Filter replacement reminders, Pet water consumption tracking

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| premium monthly | $14.99 | per month |
| premium yearly | $29.99 | per year |


## Frequently asked questions

### Is TrailerWatchDog free?

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

### Is Always Full free?

Always Full is free to download, with in-app purchases available.

### Which has better reviews, TrailerWatchDog or Always Full?

TrailerWatchDog is rated higher. TrailerWatchDog averages 5.0 out of 5 from 2 ratings, while Always Full averages 1.3 from 24 ratings.

### Do TrailerWatchDog or Always Full have ads?

Neither TrailerWatchDog nor Always Full shows ads.

### Which is updated more often, TrailerWatchDog or Always Full?

TrailerWatchDog ships an update every 2 weeks, and Always Full every 2 months. Most recently, TrailerWatchDog was updated on November 4, 2026 and Always Full 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.*