# EMS Drip Calc Lite vs IV drip calculation

The clearest difference is in-app purchases: EMS Drip Calc Lite at none against IV drip calculation's 1. EMS Drip Calc Lite also leads on iOS requirement (15.1 vs 26.0). IV drip calculation's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. IV drip calculation sells 1 one-off in-app purchase. EMS Drip Calc Lite asks for nothing beyond the download.

EMS Drip Calc Lite ships an update every 6 weeks, IV drip calculation monthly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | EMS Drip Calc Lite | IV drip calculation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ems-drip-calc-lite/id6463321473/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 72 MB | 8 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 12+ | 12+ |
| Developer | [National Emergency Resource Group](https://appshunter.io/developer/1383458744) | [BLUE COMET LABS LLC](https://appshunter.io/developer/1492055170) |

## What reviewers say

### 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


### IV drip calculation

[App page](https://appshunter.io/ios/app/iv-drip-calculation-ondrip/id6483362139)

This app simplifies IV drip rate calculation and adjustment using intuitive vibration feedback. It allows saving common settings and synchronizing them between iPhone and Apple Watch, aiding healthcare professionals in providing efficient patient care.

**Highlights:** Calculate drip rate, Vibration-based drip adjustment, Save infusion settings, Sync between iPhone and Apple Watch, Intuitive UI

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OnDrip Pro - Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is EMS Drip Calc Lite free?

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

### Is IV drip calculation free?

IV drip calculation is free to download, with in-app purchases available.

### Do EMS Drip Calc Lite or IV drip calculation have ads?

EMS Drip Calc Lite shows ads; IV drip calculation does not.

### Which is updated more often, EMS Drip Calc Lite or IV drip calculation?

EMS Drip Calc Lite ships an update every 6 weeks, and IV drip calculation monthly. Most recently, EMS Drip Calc Lite was updated on November 3, 2026 and IV drip calculation on November 4, 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.*