# Metro Alert vs Plumb's | Standards

The clearest difference is rating: Plumb's | Standards at 4.9 against Metro Alert's 3.0. Plumb's | Standards also leads on ratings volume (3.4K vs 2) and update cadence (every 3 weeks vs every 2 months). Metro Alert's advantage is monetization model (free vs subscription) and review sentiment (67% vs 56%). 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.

Plumb's | Standards holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: Plumb's | Standards has 3.4K ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 67% of Metro Alert's written reviews are positive against 56% of Plumb's | Standards's, so the app with the better star average is not the one people write more warmly about.

Metro Alert ships an update every 2 months, Plumb's | Standards every 3 weeks. The most recent releases landed on October 16, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Metro Alert | Plumb's | Standards |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/metro-alert/id570260975/reviews) | **[4.9 (3.4K ratings)](https://appshunter.io/ios/app/plumbs-standards/id1556729700/reviews)** |
| Number of ratings | 2 | **3.4K** |
| Positive reviews | **66.7% of reviews** | 55.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Subscription |
| Size | 30 MB | 62 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Metro Aviation, Inc.](https://appshunter.io/developer/447176735) | [Brief Media](https://appshunter.io/developer/1018418856) |

## What reviewers say

### Metro Alert

[App page](https://appshunter.io/ios/app/metro-alert/id570260975)

This app connects emergency first responders with communication centers, providing real-time location alerts and aircraft availability. It also offers medical reference information, photo sharing, and educational resources for emergency situations.

**Highlights:** Real-time location alerts, Aircraft availability and ETA, HIPAA compliant photo sharing, Medical and trauma reference, Access to education and courses, EMS pocket reference

**Features:** macOS Compatibility

**In-app purchases:** none


### Plumb's | Standards

[App page](https://appshunter.io/ios/app/plumbs-standards/id1556729700)

This app provides trusted veterinary clinical decision support, integrating comprehensive drug information and treatment guidance. It offers tools for diagnosis, treatment, and client education, designed for veterinary professionals.

**Highlights:** Veterinary drug and dosing information, Drug interaction checker, Conversion calculator, Diagnosis and treatment monographs, Management algorithms, Differential diagnosis lists, Client education handouts

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Super helpful
- 👍 Excellent resource
- 👍 Very helpful and easy to use
- 👍 Worth the price
- 👍 Amazing app

**What reviewers complain about**

- 🐛 Signing in issues
- 🐛 Impossible to get an answer from Support
- 💰 Disappointed - Careful before purchasing!
- 🐛 No calculator
- 🐛 Imposible to renew

**Reported bugs**

- Signing in issues
- Crashing
- Login/password reset problems
- Compatibility issues on iPad

**Requested features**

- Add calculator function
- Improve renewal/subscription management


## Frequently asked questions

### Is Metro Alert free?

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

### Is Plumb's | Standards free?

Plumb's | Standards is free to download, with no in-app purchases.

### Which has better reviews, Metro Alert or Plumb's | Standards?

Plumb's | Standards is rated higher. Metro Alert averages 3.0 out of 5 from 2 ratings, while Plumb's | Standards averages 4.9 from 3.4K ratings.

### Do Metro Alert or Plumb's | Standards have ads?

Neither Metro Alert nor Plumb's | Standards shows ads.

### Which is updated more often, Metro Alert or Plumb's | Standards?

Metro Alert ships an update every 2 months, and Plumb's | Standards every 3 weeks. Most recently, Metro Alert was updated on October 16, 2026 and Plumb's | Standards on October 27, 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.*