Report updated May 20, 2026
NICU Calculator
For nICU medical staff and general Android users seeking all-in-one calculation tools.
NICU Calculator is an established medical app that is free with in-app purchases. With a 4.3/5 rating from 367.1K reviews, it shows polarized user reception. Users particularly appreciate lightweight design and fast calculation speed provide a reliable utility for daily math tasks, though calculation errors and cursor jumping during long input sequences disrupt the workflow remains a common concern.
What is NICU Calculator?
NICU Calculator is a medical utility app for Android and iOS that provides specialized infant care calculations and general mathematical tools.
Medical staff hire this tool to reduce human error in high-stakes neonatal fluid and medication management, replacing manual calculation workflows with a digital reference.
Current Momentum
v1.0 · 38mo ago
Zombie- Ships general bug fixes.
- Last major update Mar 2023.
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Calculates total fluid, TPN, intralipid, and feeding rates for infants.
Determines catheter lengths and intubation tube sizes based on infant weight.
How much does it cost?
- iOS: $2.99
- Android: Free (Ad-supported)
Monetization is split between a one-time paid utility on iOS and an ad-supported, high-volume tool on Android.
Who Built It?
Tameem Hamoui
Providing specialized medical calculation tools for neonatal care alongside a collection of casual arcade and platformer games.
Portfolio
4
Apps
What other apps does Tameem Hamoui make?
Explore the full Tameem Hamoui report
Portfolio breakdown, audience, momentum, and every app published by Tameem Hamoui.
What do users think recently?
Medium confidence · 50 reviews analyzed · Based on 50 reviews. Signal may be noisy.
How did the latest release land?
What is the recent mood?
Recent user voice shows a mixed sentiment. Users appreciate lightweight design and fast calculation speed provide a reliable utility for daily math tasks, but report calculation errors and cursor jumping during long input sequences disrupt the workflow.
What Users Love
What Frustrates Users
What Users Want
How have ratings & review volume moved?
Rating, review sentiment, and total reviews over time, with release markers showing the post-launch impact.
Vertical markers = app releases. Hover any release for the post-release impact delta.
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for NICU Calculator?
How's The Medical Market?
How does it evolve in the Medical market?
NICU Calculator holds a #93 Paid rank in the US Medical category, but the 2.33 rating on iOS against a 4.28 rating on Android suggests a failure to maintain parity across platforms.
Rank progression
5 active rankings tracked — 30-day window
Which niche is NICU Calculator in?
to calculate precise neonatal fluid and nutrition
Explore the full Neonatal Care Calculators niche
Every app in this space — 1 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Nemeses(1)
Dominates the medical calculator space with high-frequency updates and a massive, specialized clinical user base.
Differentiators
- Maintains a rapid release cadence of nine updates in six months to ensure clinical accuracy.
- Provides a comprehensive suite of anesthesia-specific tools that far exceed simple NICU unit conversions.
- Leverages a massive, established professional user base to create a high barrier to entry.
Contenders(1)
Acts as the primary professional network for clinicians, creating a platform-level moat that simple calculators cannot match.
Differentiators
- Integrates professional networking and secure communication tools alongside clinical reference data for medical staff.
- Ships frequent updates with twenty releases in six months, prioritizing platform stability and security compliance.
- Positions itself as an essential daily utility for physician workflow rather than a standalone calculator.
Same space(2)
Demonstrates how to successfully gamify medical data logging for chronic condition management.
Differentiators
- Utilizes gamification elements to improve user adherence to daily medical data logging requirements.
- Integrates directly with blood glucose meters to automate data entry and reduce manual error.
Focuses on the consumer-facing side of neonatal care, providing a high-fidelity logging experience for parents.
Differentiators
- Offers deep integration with wearable devices for real-time tracking of newborn health metrics.
- Provides a polished, consumer-grade UI that prioritizes ease of use for non-medical caregivers.
New entrants(1)
Captures the professional education market with a high-velocity release schedule for current exam standards.
Differentiators
- Implements adaptive learning algorithms that tailor study content based on individual user performance gaps.
- Provides high-fidelity exam simulations that mirror the current professional certification testing environment.
Compare NICU Calculator against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for NICU Calculator
Strengths to defend, gaps to attack
Core Strengths
- NICU fluid management library functions as a B2B distribution moat into clinical partnerships
Critical Frictions
- Cursor-jumping bug disrupts professional workflow during long input sequences
- Android-iOS rating gap (4.28 vs 2.33) indicates poor cross-platform parity
Growth Levers
- Integration of automated data logging could mirror success of chronic condition trackers
Market Threats
- Vargo Anesthesia Mega App's nine-update cadence threatens to make this tool obsolete
What are the next best moves?
Rebuild input field logic to fix cursor jumping because it disrupts professional workflow → improve retention
Cursor jumping is the top-cited complaint disrupting professional use cases.
Trade-off: Push the currency converter update to Q3 — input stability is a higher retention risk.
Audit iOS parity because the 2.33 rating suggests a broken experience → reduce churn
The 2.33 iOS rating is significantly lower than the Android baseline.
Trade-off: Pause new feature development on Android — cross-platform parity is a higher brand risk.
A counter-intuitive read
The app's reliance on ad-supported Android users for scale is a liability, as the professional NICU segment requires a high-fidelity, paid-only experience that the current ad-supported model actively degrades.
Feature Gaps vs Competitors
- Rapid release cadence (available in Vargo Anesthesia Mega App but missing here)
- Professional networking integration (available in Doximity but missing here)
Key Takeaways
NICU Calculator holds its category position through specialized clinical utility, but technical regressions and lack of platform parity erode professional trust, so the PM must prioritize input stability to prevent churn to specialized rivals.
Where Is It Heading?
Mixed Signals
The medical calculator market is consolidating around high-frequency update models that ensure clinical accuracy. NICU Calculator's maintenance-mode posture leaves it exposed to specialized rivals, so the PM must shift to a higher-cadence release cycle to remain relevant.
Persistent cursor-jumping bugs in the latest version disrupt professional workflows, which accelerates churn to more stable clinical calculation suites.
Recent updates focus on maintenance rather than feature expansion, leaving the app vulnerable to competitors with faster release cadences.