Catheter vs Code Blue Narrator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Catheter
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A patient's guide to Central Line Catheters Catheter information was collated by Dr. Mars Mallari, to help patients better understand catheters and how to care for them. It is an excellent reference for central line or venous catheters, and covers types, maintenance, insertion sites, etc. Some of the topics in Catheter include: ▪Types of central catheters ▪Insertion sites ▪Complications ▪Catheter maintenance ▪Infection control ▪Catheter removal Catheter is a wonderful source of information for patients on central line catheters. For medical professionals it is recommended to use Catheter Pro, which was also developed by Dr. M. Mallari, and is a complete reference guide for Central Line Catheter Care. It has lots of detailed information for professionals that is not contained in this app and covers all aspects of Venous Catheter Care for professionals.
Code Blue Narrator
This app assists healthcare professionals in critical care settings by enabling hands-free voice logging of resuscitation events, tracking medications and interventions, and providing essential ICU calculators. It offers real-time timers and secure offline functionality for bedside reliability.
- Voice-guided code logging
- Medication and intervention tracking
- CPR and procedure timers
- ICU drip and fluid balance calculators
- Back-charting capability
- Offline functionality
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Code Blue Narrator with Critical Care RN is designed for healthcare providers working in high-stakes environments such as ICUs, EDs, and rapid response teams. Key Features: • Voice-Guided Code Logging – Document resuscitation events in real time with hands-free voice input. • Medication & Intervention Tracking – Record epinephrine, calcium chloride, amiodarone, and other critical medications with automated timestamps. • CPR & Procedure Timers – Built-in timers for compressions, pulse checks, and procedures to keep teams aligned. • Critical Care RN Tools – • Drip calculators for commonly used ICU infusions. • CRRT fluid balance and intake/output calculator. • Back-charting capability with chronological log preservation. • User-Friendly Interface – Optimized for speed, clarity, and real-time use in critical care. • Secure & Offline Ready – Functions without server connectivity for bedside reliability.
Screenshots
Verdict
The clearest difference is update cadence: Code Blue Narrator at every 4 months against Catheter's every 26 months. Code Blue Narrator also leads on chart position (#197 vs unranked). Catheter's advantage is price ($0.99 vs $1.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Catheter costs $0.99 and Code Blue Narrator $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Catheter ships an update every 26 months, Code Blue Narrator every 4 months. The most recent releases landed on October 15, 2026 and October 17, 2026 respectively.
| Parameter | Catheter | Code Blue Narrator |
|---|---|---|
| Price | $0.99 — better | $1.99 |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 26 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Best chart rank | — | #197 — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 21 MB | 7 MB |
| Age rating | 12+ | 4+ |
| Developer | Michael Buckner | Joshua Prince |
In-app purchases
Catheter
No in-app purchases
Code Blue Narrator
No in-app purchases
Questions
Is Catheter free?
Is Code Blue Narrator free?
Do Catheter or Code Blue Narrator have ads?
Which is updated more often, Catheter or Code Blue Narrator?
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