# Metro Alert vs EMS Drip Calc Lite

The clearest difference is rating: EMS Drip Calc Lite at 5.0 against Metro Alert's 3.0. Metro Alert's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

EMS Drip Calc Lite holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

Metro Alert ships an update every 2 months, EMS Drip Calc Lite every 6 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Metro Alert | EMS Drip Calc Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/metro-alert/id570260975/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ems-drip-calc-lite/id6463321473/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 30 MB | 72 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Metro Aviation, Inc.](https://appshunter.io/developer/447176735) | [National Emergency Resource Group](https://appshunter.io/developer/1383458744) |

## 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


### EMS Drip Calc Lite

[App page](https://appshunter.io/ios/app/ems-drip-calc-lite/id6463321473)

This medical app simplifies complex IV drip calculations for pre-hospital care providers. It follows AHA, PALS, and ACLS guidelines, offering quick math guides and built-in formulas for accurate medication administration in high-pressure situations.

**Highlights:** IV drip calculations, AHA, PALS, ACLS guidelines, Pre-hospital focus, Quick math guides, Built-in formulas, Error prevention double-check

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Metro Alert free?

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

### Is EMS Drip Calc Lite free?

EMS Drip Calc Lite is free to download, with no in-app purchases.

### Which has better reviews, Metro Alert or EMS Drip Calc Lite?

EMS Drip Calc Lite is rated higher. Metro Alert averages 3.0 out of 5 from 2 ratings, while EMS Drip Calc Lite averages 5.0 from 3 ratings.

### Do Metro Alert or EMS Drip Calc Lite have ads?

EMS Drip Calc Lite shows ads; Metro Alert does not.

### Which is updated more often, Metro Alert or EMS Drip Calc Lite?

Metro Alert ships an update every 2 months, and EMS Drip Calc Lite every 6 weeks. Most recently, Metro Alert was updated on November 1, 2026 and EMS Drip Calc Lite on November 3, 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.*