# GIR Calc vs UmbiCalc

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

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.

## The numbers

| Metric | GIR Calc | UmbiCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (5 ratings)](https://appshunter.io/ios/app/gir-calc/id660860969/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/umbicalc/id1504095676/reviews)** |
| Number of ratings | **5** | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 12 months |
| Monetization | Free | Free |
| Size | 3 MB | 67 MB |
| Requires iOS | 26.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Atlas Software Solutions LLC](https://appshunter.io/developer/657195132) | [Yale](https://appshunter.io/developer/462262997) |

## What reviewers say

### GIR Calc

[App page](https://appshunter.io/ios/app/gir-calc/id660860969)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### UmbiCalc

[App page](https://appshunter.io/ios/app/umbicalc/id1504095676)

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

**In-app purchases:** none


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*