# Flatliner vs Code Blue PRO

The clearest difference is update cadence: Code Blue PRO at daily against Flatliner's monthly. Flatliner's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Flatliner sells 1 one-off in-app purchase and Code Blue PRO sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Flatliner ships an update monthly, Code Blue PRO daily. The most recent releases landed on September 13, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Flatliner | Code Blue PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flatliner-code-blue-recorder/id6751251620/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 46 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 17+ | 17+ |
| Developer | [Faisal Baabbad](https://appshunter.io/developer/1829799045) | [OLIVER JAMES MORRIS](https://appshunter.io/developer/1886614962) |

## What reviewers say

### Flatliner

[App page](https://appshunter.io/ios/app/flatliner-code-blue-recorder/id6751251620)

This app allows medical professionals to meticulously log critical interventions during CPR events in real time. It generates organized summaries for immediate review and professional documentation, aiding in efficient patient care.

**Highlights:** Real-time CPR event logging, CPR code and compression timers, Medication, rhythm, and shock tracking, Epinephrine and pulse check reminders, Chest compression fraction calculator, Built-in metronome, Clean CPR summaries

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flatliner Pro Unlock | $4.99 | one-time |


### Code Blue PRO

[App page](https://appshunter.io/ios/app/code-blue-pro/id6761287489)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Code Blue PRO | $3.99 | per month |
| Code Blue PRO (Annual) | $39.99 | per year |


## Frequently asked questions

### Is Flatliner free?

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

### Is Code Blue PRO free?

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

### Do Flatliner or Code Blue PRO have ads?

Neither Flatliner nor Code Blue PRO shows ads.

### Which is updated more often, Flatliner or Code Blue PRO?

Flatliner ships an update monthly, and Code Blue PRO daily. Most recently, Flatliner was updated on September 13, 2026 and Code Blue PRO on September 18, 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.*