# RescueNet® CodeWriter vs Flatliner

The clearest difference is in-app purchases: RescueNet® CodeWriter at none against Flatliner's 1. RescueNet® CodeWriter also leads on ratings volume (4 vs 1). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Flatliner sells 1 one-off in-app purchase. RescueNet® CodeWriter asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for RescueNet® CodeWriter against 5.0 for Flatliner. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

RescueNet® CodeWriter ships an update every 2 months, Flatliner monthly. The most recent releases landed on September 16, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | RescueNet® CodeWriter | Flatliner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/rescuenet-codewriter/id1334767571/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/flatliner-code-blue-recorder/id6751251620/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 125 MB | 46 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ZOLL](https://appshunter.io/developer/385812404) | [Faisal Baabbad](https://appshunter.io/developer/1829799045) |

## What reviewers say

### RescueNet® CodeWriter

[App page](https://appshunter.io/ios/app/rescuenet-codewriter/id1334767571)

This medical documentation tool simplifies code data capture for mobile devices. It integrates with a case review system to ensure accuracy, offering features like timers and vital sign buttons for efficient data entry.

**Highlights:** Code data documentation, Integration with RescueNet CaseReview, Timer functionality, Vitals tracking, Key event buttons, Easy-to-use interface

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is RescueNet® CodeWriter free?

RescueNet® CodeWriter is free to download, with no in-app purchases.

### Is Flatliner free?

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

### Which has better reviews, RescueNet® CodeWriter or Flatliner?

RescueNet® CodeWriter and Flatliner are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do RescueNet® CodeWriter or Flatliner have ads?

Neither RescueNet® CodeWriter nor Flatliner shows ads.

### Which is updated more often, RescueNet® CodeWriter or Flatliner?

RescueNet® CodeWriter ships an update every 2 months, and Flatliner monthly. Most recently, RescueNet® CodeWriter was updated on September 16, 2026 and Flatliner 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.*