Na Calculator is a specialized medical utility for calculating intravenous fluid rates for sodium imbalance treatment on iOS.
The App DNA
What makes this app unique?
Clinicians use the tool to displace manual calculation methods or complex, connectivity-dependent medical reference suites during patient care.
For Medical professionals requiring rapid, portable calculation of intravenous fluid therapy for sodium imbalances.
What does it look like?
Key features
Calculates intravenous fluid rates and durations for sodium imbalance treatment.
Provides two distinct mathematical methods for determining fluid requirements, providing clinical flexibility that justifies the $1.99 price point.
Clears text fields using device accelerometer input to reduce friction in clinical workflows.
How much does it cost?
Single-tier paid model targets medical professionals seeking a specialized, portable calculation tool without recurring subscription costs.
Velocity
Dormant developmentShow more...
Na Calculator has seen no development activity for 5,639 days. The app has remained in a state of total stagnation since its last update in 2011. There is no evidence of ongoing maintenance, feature development, or operational support.
Who built it?
Columbia Software Works
4 apps tracked · Medical
Pupil Sizer
Clockface Test
Alternating Trail Making TestUser Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for Na Calculator
How's the Medical market?
Na Calculator occupies a niche utility segment in the Medical category, priced at $1.99 to capture clinicians seeking a one-time purchase alternative to subscription-based medical suites.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for Na Calculator
Where is it heading?
The medical utility market is shifting toward integrated, cloud-connected reference suites that offer broader clinical data. Na Calculator's lack of development since 2011 leaves it exposed to OS-level deprecation, which will likely force the remaining user base to migrate to active, supported alternatives.
- The 15-year update gap indicates a total lack of maintenance, which will eventually lead to app failure on newer iOS versions.
The SWOT
- Dual-method calculation logic provides clinical flexibility
- Modern UI refresh could capture users from ad-heavy rivals
Next best moves
Sunset the product because the 15-year maintenance gap makes it technically non-viable → remove brand liability
The counter-intuitive read
The app's primary value is its status as a static, offline-only tool…
Read the full takeBottom line
The 15-year development silence makes Na Calculator a legacy asset that is likely to fail on modern hardware, necessitating a sunset to avoid brand liability.
Unlock 1 critical friction, 1 market threat and the analyst’s take.
Access the full report for freeSources
- [1] App Store, source
Report last updated