NICU Fluids vs STABLEize
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NICU Fluids
This medical calculator helps healthcare professionals quickly and accurately compute IV fluid rates, glucose infusion rates, and electrolyte levels for neonates. It's designed for nurses, students, and physicians caring for critically ill infants.
- GIR calculator (single or multiple drips)
- Electrolyte calculator (single or multiple drips)
- FENa calculator
- Accurate calculations for neonates
- Developed by a neonatal-perinatal fellow
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The most complete NICU fluids app in the App Store. NICU Fluids is an all-in-one calculator for IV fluids, GIR, electrolytes, and FENa designed for RNs, medical students, residents, and attending physicians. NICU Fluids features include: -GIR calculator using single or multiple drips -Electrolyte calculator for single or multiple drips -FENa calculator for determining if prerenal vs. intrinsic acute renal injury Users can quickly and accurately calculate GIR and electrolytes on rounds with just a few clicks. Developed by a neonatal-perinatal fellow. An excellent companion for anyone caring for critically ill neonates.
STABLEize
This medical reference app provides comprehensive guidelines and tools for managing sick infants. It covers essential modules like Sugar, Temperature, Airway, Blood Pressure, Lab Work, and Emotional Support, along with detailed information and animations on congenital heart disease.
- Neonatal assessment and care modules
- 22 congenital heart disease animations
- 4 medical calculators
- Umbilical catheter insertion depth guide
- Ductal dependent CHD flow visualization
- Palliative procedure illustrations
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In addition to The S.T.A.B.L.E. Program Module Guidelines: Sugar, Temperature, Airway, Blood pressure, Lab work, Emotional support for the family, this app includes a BONUS menu of 22 severe cardiac anomalies to increase understanding of how blood flows through the heart in the setting of ductal dependent and not ductal dependent congenital heart disease (CHD). - 4 calculators: corrected gestational age, temperature converter (Fahrenheit to Celsius and vice-versa), umbilical artery and venous catheter insertion depth, weight converter (grams to pounds/ounces and vice-versa). - Under Cardiac Anomalies you’ll find animations and information on 22 severe forms of congenital heart disease. The MP4 videos demonstrate how blood flows through the heart with the various forms of CHD, and for ductal-dependent lesions, the severe impact of ductal closure on blood flow. Other animations feature normal heart anatomy, hypercyanotic (tet) spell, and balloon atrial septostomy (Rashkind procedure). Also included are illustrations of palliative procedures (PDA stent, balloon valvuloplasty, BT shunt, RVOT stent, central shunt, pulmonary artery band). STABLE stands for the 6 assessment and care modules in the program: Sugar, Temperature, Airway, BP, Lab work, Emotional support. This app includes the following items: - Sugar module: General Guidelines for sick infants and infants at increased risk for hypoglycemia, IV treatment of a blood sugar less than 50 mg/dL (2.8 mmol/L), useful information about umbilical catheters and actions to correct umbilical artery catheter malpositions. - Temperature module: General Guidelines (hypothermic classifications, monitoring, rewarming after accidental hypothermia), and neuroprotective hypothermia checklist and neurologic exam. - Airway module: monitoring guidelines, respiratory distress descriptions, endotracheal tube sizes and insertion depth, blood gas evaluation, signs of a pneumothorax, and treatment of a pneumothorax. - Blood pressure module: assessment for shock and treatment of shock, including how to mix dopamine hydrochloride to constitute an 800 microgram/mL IV fluid solution. - Lab work module: risk factors for neonatal infection, clinical signs of infection, and laboratory evaluation prior to transport to an intensive care unit. How to calculate the absolute neutrophil count and immature to total ratio. - Emotional support for the family module: the various emotions that parents may be experiencing and how to help families who are experiencing the crisis of a sick newborn. The Cardiac Anomalies menu includes short descriptions and MP4 videos and illustrations for: - Normal Heart and Lungs - Aortic Valve Stenosis - Atrial septal defect - Atrioventricular canal - Coarctation of aorta - Double outlet right ventricle - Ebstein anomaly - Hypoplastic left heart syndrome - Interrupted aortic arch – type B - Patent ductus arteriosus - Pulmonary atresia with intact ventricular septum (IVS) - Pulmonary atresia with IVS and sinusoids - Pulmonary atresia with ventricular septal defect - Total anomalous pulmonary venous connection (TAPVC) – Cardiac, Supracardiac, Infracardiac) - Tetralogy of Fallot (moderate stenosis) - Tetralogy of Fallot (ductal dependent) - Transposition of the Great Arteries - Tricuspid atresia - Truncus arteriosus - Ventricular septal defect Includes illustrations of palliative procedures: balloon atrial septostomy (Rashkind procedure), PDA stent, balloon valvuloplasty, Blalock-Taussig (BT) shunt, right ventricular outflow tract (RVOT) stent, central shunt, pulmonary artery band.
Screenshots
Verdict
The clearest difference is price: NICU Fluids at Free against STABLEize's $24.99. NICU Fluids also leads on iOS requirement (7.0 vs 12.0). STABLEize's advantage is rating (4.9 vs 4.3) and chart position (#83 vs unranked). On review sentiment, ratings volume, ads and in-app purchases 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
NICU Fluids is free to download; STABLEize costs $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.
STABLEize holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 7 and 16 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
| Parameter | NICU Fluids | STABLEize |
|---|---|---|
| Price | Free — better | $24.99 |
| Rating | 4.3 (7 ratings) | 4.9 (16 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 7 | 16 — better |
| Update frequency | — | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | — | #83 — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 7.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 0 MB | 57 MB |
| Age rating | 4+ | 17+ |
| Developer | Nicholas Wells | The STABLE Program |
Customer experience
NICU Fluids
STABLEize
In-app purchases
NICU Fluids
No in-app purchases
STABLEize
No in-app purchases







