# Code Blue Leader vs Code Blue Sentry

The clearest difference is review sentiment: Code Blue Sentry at 100% against Code Blue Leader's 50%. Code Blue Sentry also leads on rating (5.0 vs 4.0) and update cadence (every 3 weeks vs every 6 weeks). Code Blue Leader's advantage is monetization model (free with in-app purchases vs subscription). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Code Blue Leader sells 2 in-app purchases, starting at $3.99 per month and Code Blue Sentry sells 3 in-app purchases, starting at $0.99 per 3 months. Whichever you choose, the download price is not the number that matters.

Code Blue Sentry holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 50% of Code Blue Leader's written reviews are positive against 100% of Code Blue Sentry's.

Code Blue Leader ships an update every 6 weeks, Code Blue Sentry every 3 weeks. The most recent releases landed on September 21, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Code Blue Leader | Code Blue Sentry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/code-blue-leader/id6446234334/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/code-blue-sentry/id6749660012/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 32 MB | 41 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [First Pass Innovation](https://appshunter.io/developer/1676853193) | [Brian Mun](https://appshunter.io/developer/1830877967) |

## What reviewers say

### Code Blue Leader

[App page](https://appshunter.io/ios/app/code-blue-leader/id6446234334)

This app guides healthcare providers through cardiac arrest resuscitation protocols in real-time. It tracks medications, timing, and interventions, providing step-by-step assistance based on the latest guidelines. An "Experienced Provider Mode" offers a checklist format for advanced users.

**Highlights:** Real-time resuscitation guidance, Medication and timing tracking, Step-by-step ACLS algorithm, Integrated metronome for compressions, Automated logging of resuscitation steps, Experienced Provider Mode

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ACLS Monthly Subscription | $3.99 | per month |
| ACLS Yearly Subscription | $34.99 | per year |


### Code Blue Sentry

[App page](https://appshunter.io/ios/app/code-blue-sentry/id6749660012)

This app helps medical professionals track medications and critical events. It offers customizable ACLS navigation, including checklists and RSI protocols. A free trial is available to assess its utility for pharmacists, registered nurses, and potentially other providers.

**Highlights:** Medication tracking, Event logging, Customizable ACLS navigation, Checklists, RSI protocols, Hs/Ts tracking

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $0.99 | per 3 months |
| Subscribe | $0.99 | per 3 months |
| Donate | $4.99 | one-time |


## Frequently asked questions

### Is Code Blue Leader free?

Code Blue Leader is free to download, with in-app purchases available.

### Is Code Blue Sentry free?

Code Blue Sentry is free to download, with in-app purchases available.

### Which has better reviews, Code Blue Leader or Code Blue Sentry?

Code Blue Sentry is rated higher. Code Blue Leader averages 4.0 out of 5 from 2 ratings, while Code Blue Sentry averages 5.0 from 1 ratings.

### Do Code Blue Leader or Code Blue Sentry have ads?

Neither Code Blue Leader nor Code Blue Sentry shows ads.

### Which is updated more often, Code Blue Leader or Code Blue Sentry?

Code Blue Leader ships an update every 6 weeks, and Code Blue Sentry every 3 weeks. Most recently, Code Blue Leader was updated on September 21, 2026 and Code Blue Sentry on September 13, 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.*