Comparison

GIR Calc vs UmbiCalc

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

Head to head
About

GIR Calc

Calculate the Glucose Infusion Rate (GIR) for single or multiple IV drips. This tool is designed for medical professionals, particularly those in pediatrics or neonatal ICUs, to quickly determine essential fluid and sugar infusion rates.

Highlights
  • Calculate GIR for single or multiple IV drips
  • Input weight in kg
  • Input sugar percentage and volume (ml/hr)
  • Handles non-sugar containing fluids
  • Simple calculation button
Features
Read full description

-Up to eight simultaneous drips -Live results, rounded to two decimal places -Dextrose presets for D5, D10, D12.5, D15, D20, and D25 -Solve for rate: pick a target GIR and concentration and get the mL/hr, with the option to account for drips already running -Light and dark themes, eight accent colors, fourteen font choices, and adjustable text size -No account, no ads, no data collection. Everything stays on your device. Formulas GIR (mg/kg/min) = Σ (% dextrose × mL/hr) ÷ (6 × weight in kg) Total fluids (mL/kg/day) = Σ mL/hr × 24 ÷ weight in kg Glucose Infusion Rate is a calculation aid for licensed healthcare professionals and does not replace clinical judgment, institutional protocols, or verification of orders.

About

UmbiCalc

This medical app estimates umbilical catheter insertion lengths for neonates based on birth weight. It utilizes an algorithm derived from statistical modeling and is intended for educational use by healthcare professionals. Always consult a medical provider for health advice.

Highlights
  • Umbilical arterial catheter estimation
  • Umbilical venous catheter estimation
  • Birth weight-based calculations
  • Based on published algorithm
  • For educational purposes
Read full description

This app provides the birth weight-based insertion length estimations for umbilical arterial and venous catheters placed in neonates in the Neonatal Intensive Care Unit. UmbiCalc is based on the algorithm described by Tambasco et al. in “A Novel and Accurate Method for Estimating Umbilical Arterial and Venous Catheter Insertion Length.” Journal of Perinatology 2021. The algorithm was derived from statistical modeling using a representative sample of the current NICU population and validated across a wide range of birth weights. Intended for use by neonatologists, pediatricians, and advanced practice providers for personal educational purposes only. It is not intended for use in clinical practice or the delivery of medical care. Always consult with a healthcare provider for advice concerning your health.

Screenshots

GIR Calc2 screens
UmbiCalc3 screens

Verdict

The call

The clearest difference is update cadence: GIR Calc at every 4 months against UmbiCalc's every 12 months. UmbiCalc's advantage is rating (5.0 vs 4.8) and iOS requirement (12.0 vs 26.0). On price, review sentiment, ratings volume and ads 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

UmbiCalc holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 5 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

GIR Calc ships an update every 4 months, UmbiCalc every 12 months. The most recent releases landed on October 20, 2026 and October 3, 2026 respectively.

Scorecard3 real differences · 7 level
GIR Calc versus UmbiCalc: the parameters behind the verdict, then further details
ParameterGIR CalcUmbiCalc
PriceFreeFree
Rating4.8 (5 ratings)5.0 (4 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings5 — better4
Update frequencyEvery 4 months — betterEvery 12 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.012.0 — better
Further details — not scored
Size3 MB67 MB
Age rating4+4+
DeveloperAtlas Software Solutions LLCYale

Customer experience

GIR Calc

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

UmbiCalc

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

GIR Calc

No in-app purchases

None

UmbiCalc

No in-app purchases

Questions

Is GIR Calc free?
GIR Calc is free to download, with no in-app purchases.
Is UmbiCalc free?
UmbiCalc is free to download, with no in-app purchases.
Which has better reviews, GIR Calc or UmbiCalc?
UmbiCalc is rated higher. GIR Calc averages 4.8 out of 5 from 5 ratings, while UmbiCalc averages 5.0 from 4 ratings.
Do GIR Calc or UmbiCalc have ads?
Neither GIR Calc nor UmbiCalc shows ads.
Which is updated more often, GIR Calc or UmbiCalc?
GIR Calc ships an update every 4 months, and UmbiCalc every 12 months. Most recently, GIR Calc was updated on October 20, 2026 and UmbiCalc on October 3, 2026.

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