# Certa Dose vs EMS Drip Calc Lite

The clearest difference is in-app purchases: EMS Drip Calc Lite at none against Certa Dose's 2. Certa Dose's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.1). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Certa Dose sells 2 in-app purchases, starting at $3.99 per month. EMS Drip Calc Lite asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Certa Dose against 5.0 for EMS Drip Calc Lite. Both are backed by a comparable volume of ratings — 5 and 3 respectively.

Certa Dose ships an update every 3 months, EMS Drip Calc Lite every 6 weeks. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Certa Dose | EMS Drip Calc Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/certa-dose/id1524942244/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/ems-drip-calc-lite/id6463321473/reviews) |
| Number of ratings | **5** | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Subscription | **Ad-supported** |
| Size | 16 MB | 72 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Certa Dose, Inc.](https://appshunter.io/developer/1524942636) | [National Emergency Resource Group](https://appshunter.io/developer/1383458744) |

## What reviewers say

### Certa Dose

[App page](https://appshunter.io/ios/app/certa-dose/id1524942244)

This app helps healthcare professionals confidently administer high-risk medications. It provides visual verification for each step, estimates weight-based doses, and documents sessions instantly. Designed to reduce critical dosing errors, it offers peace of mind in high-stress medical environments.

**Highlights:** Visual medication administration verification, Weight-based dose estimation, Syringe volume visualization, Instant session documentation, Medication information and contraindications, Virtual pediatric measuring tape

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly plan | $3.99 | per month |
| Yearly subscription | $29.99 | per year |


### 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 Certa Dose free?

Certa Dose is free to download, with in-app purchases available.

### Is EMS Drip Calc Lite free?

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

### Which has better reviews, Certa Dose or EMS Drip Calc Lite?

Certa Dose and EMS Drip Calc Lite are both rated 5.0 out of 5 on the App Store, from 5 and 3 ratings respectively.

### Do Certa Dose or EMS Drip Calc Lite have ads?

EMS Drip Calc Lite shows ads; Certa Dose does not.

### Which is updated more often, Certa Dose or EMS Drip Calc Lite?

Certa Dose ships an update every 3 months, and EMS Drip Calc Lite every 6 weeks. Most recently, Certa Dose was updated on September 8, 2026 and EMS Drip Calc Lite on September 17, 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.*