Comparison

Flatliner vs Code Blue PRO

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

Head to head
About

Flatliner

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
Read full description

Flatliner: CPR / Code blue / ACLS/ ALS recorder Flatliner is a comprehensive CPR recording and documentation app built for emergency physicians, nurses, and paramedics. Track critical interventions in real time and generate professional documentation — instantly. During a code, Flatliner helps you record compressions, medications, rhythms, shocks, pulse checks, interventions, and important timestamps without slowing you down. When the code ends, Flatliner can generate an organized CPR summary that you can review, edit, and use for documentation. Key features: • Real-time CPR event logging • CPR code timer and compression timer • Medication, rhythm, shock, and intervention tracking • Epinephrine and pulse check reminders • Dedicated chest compression fraction calculator • Built-in metronome for compression pacing • Clean CPR summaries for documentation • Light and dark mode

About

Code Blue PRO

Features
Read full description

MEDICAL DISCLAIMER Code Blue PRO is a documentation and timing tool for trained medical professionals. It is not a substitute for professional medical advice. Always seek the advice of a qualified physician or healthcare provider before making any medical decisions. This app is not a medical device. In any medical emergency, activate your code team or call your local emergency number. CODE DOCUMENTATION BUILT BY AN ER DOCTOR Code Blue PRO is the fastest way for emergency medicine teams to document, time, and review cardiac arrest resuscitations. Built in the ER by Dr. Oliver Morris, DO, a board-certified ER physician. Turns chaotic CPR events into a clean, hospital-ready record the moment the code ends. NEW: APPLE WATCH CPR METRONOME Keep your hands on the chest. The Watch companion taps the compressor's wrist at 100-120 BPM with precision haptic feedback and an optional audible beep. Standalone or synced from iPhone. No looking at a screen. No counting out loud. SUBSCRIPTION REQUIRED Code Blue PRO is a subscription app. New users get a 2-week free trial that unlocks the full app. After the trial, an active subscription is required. LIVE CODE TIMER + ACLS - Master timer, CPR cycle counter, rhythm-check prompts - 3-minute epinephrine interval alerts (audio + haptic) - Pulse check, ROSC, time of death - AHA 2020 ACLS guidance for VF, pulseless VT, PEA, asystole ONE-TAP CODE MEDICATIONS Timestamped logging for epinephrine, amiodarone, lidocaine, bicarb, calcium, vasopressin, magnesium, atropine, dextrose, naloxone, adenosine, custom meds. DEFIB + RHYTHMS Shock button with joules, biphasic/monophasic support, rhythm tagging, Dual Sequential Defibrillation reference. PROCEDURES Intubation, LMA, cric, central line, IO, chest tube, pericardiocentesis, needle decompression, tracheostomy. H's AND T's REVERSIBLE CAUSES Checklist with treatment prompts for hypovolemia, hypoxia, acidosis, hyper/hypokalemia, hypothermia, tension pneumothorax, tamponade, toxins, PE, MI. PRE-HOSPITAL / EMS FIELD DATA Initial rhythm, field shocks, down time, prehospital meds. POST-ROSC Vitals, post-ROSC checklist (12-lead, TTM, vasopressors, airway), re-arrest button. HOSPITAL-READY FLOW SHEET PDF One tap produces a Code Blue Flow Sheet on the standard 2-minute interval grid. AirDrop, Files, Messages, or EMR upload. CLINICAL REFERENCES Tappable citations: AHA 2020 ACLS, DOSE VF (DSED), Driver 2014 + Lee 2016 (Esmolol), TROICA 2008 + PEAPETT 2016 (thrombolytics), Tintinalli 9th Ed. APPLE WATCH COMPANION CPR metronome, optional beep, standalone or synced, BPM 80-140, extended runtime session. OFFLINE, PRIVATE No internet required. No accounts. No cloud sync. No analytics. BUILT FOR EMERGENCY MEDICINE Designed for ER attendings, residents, hospitalists, intensivists, ICU, anesthesia, rapid response, code teams, flight medics, paramedics. Adult, pediatric, pre-hospital. ACLS practice, simulation, real clinical use. SUBSCRIPTION - Monthly: $4.99/mo - Annual: $39.99/yr (save 33%) Both include a 2-week free trial. Charged to your Apple ID at purchase. Auto-renews unless cancelled 24h before period end. Privacy: https://codebluepro.com/privacy.html Terms: https://codebluepro.com/terms.html Always consult a qualified healthcare provider for medical advice, diagnosis, or treatment before making any medical decisions.

Screenshots

Flatliner4 screens
Code Blue PRO4 screens

Verdict

The call

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.

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

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.

UpkeepUpdate frequency

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

Scorecard2 real differences · 7 level
Flatliner versus Code Blue PRO: the parameters behind the verdict, then further details
ParameterFlatlinerCode Blue PRO
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyMonthlyDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS15.0 — better17.0
Further details — not scored
Size46 MB7 MB
Age rating17+17+
DeveloperFaisal BaabbadOLIVER JAMES MORRIS

In-app purchases

1 purchases

Flatliner

One-time1
  • Flatliner Pro Unlock$4.99
2 purchases

Code Blue PRO

Subscriptions2
  • Code Blue PRO14 Days trial$3.991 Month
  • Code Blue PRO (Annual)14 Days trial$39.991 Year

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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