Comparison

Catheter vs Code Blue Narrator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Catheter

Features
Read full description

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.

About

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.

Highlights
  • Voice-guided code logging
  • Medication and intervention tracking
  • CPR and procedure timers
  • ICU drip and fluid balance calculators
  • Back-charting capability
  • Offline functionality
Features
Currently charting
Read full description

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

Catheter4 screens
Code Blue Narrator4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Catheter versus Code Blue Narrator: the parameters behind the verdict, then further details
ParameterCatheterCode Blue Narrator
Price$0.99 — better$1.99
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 26 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
Best chart rank—#197 — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better18.5
Further details — not scored
Size21 MB7 MB
Age rating12+4+
DeveloperMichael BucknerJoshua Prince

In-app purchases

None

Catheter

No in-app purchases

None

Code Blue Narrator

No in-app purchases

Questions

Is Catheter free?
Catheter costs $0.99, with no in-app purchases.
Is Code Blue Narrator free?
Code Blue Narrator costs $1.99, with no in-app purchases.
Do Catheter or Code Blue Narrator have ads?
Neither Catheter nor Code Blue Narrator shows ads.
Which is updated more often, Catheter or Code Blue Narrator?
Catheter ships an update every 26 months, and Code Blue Narrator every 4 months. Most recently, Catheter was updated on October 15, 2026 and Code Blue Narrator on October 17, 2026.

Other comparisons