# Nurse Math Calculator vs Stable

The clearest difference is price: Stable at Free against Nurse Math Calculator's $9.99. Stable also leads on ratings volume (9 vs 1) and update cadence (every 4 weeks vs every 2 months). Nurse Math Calculator's advantage is chart position (#171 vs unranked). On rating, review sentiment, ads and in-app purchases there is nothing between them.

Stable is free to download; Nurse Math Calculator costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Nurse Math Calculator against 5.0 for Stable. That said, the two scores are not equally well evidenced: Stable has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Nurse Math Calculator ships an update every 2 months, Stable every 4 weeks. The most recent releases landed on October 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Nurse Math Calculator | Stable |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/nurse-math-calculator/id6752274719/reviews) | [5.0 (9 ratings)](https://appshunter.io/ios/app/stable-ish/id6773289202/reviews) |
| Number of ratings | 1 | **9** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | **#171** | — |
| Size | 53 MB | 46 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Homestead Digital Publishing](https://appshunter.io/developer/1838606146) | [Stable-ish LLC](https://appshunter.io/developer/6773289204) |

## What reviewers say

### Nurse Math Calculator

[App page](https://appshunter.io/ios/app/nurse-math-calculator/id6752274719)

**Currently charting:** #171 Top Paid · Medical (US App Store)

This app provides nurses and students with quick, accurate medical calculations for IV drips, dosages, and fluid conversions. It displays formulas for each calculation, aiding understanding and confidence in clinical practice and study.

**Highlights:** IV drip and gravity set calculations, IV push and medication concentration tools, Unit conversions for meds and fluids, Step-by-step formulas displayed, Clean, simple interface

**Features:** Vision Pro support

**In-app purchases:** none


### Stable

[App page](https://appshunter.io/ios/app/stable-ish/id6773289202)

This clinical reference app assists critical care nurses and healthcare providers with high-risk concepts, clinical scenarios, and complex topic explanations. It offers practical workflows, safety prompts, and educational modes for quick review or step-by-step learning.

**Highlights:** ED and critical care clinical reference, Nursing-focused calculators and dosing support, Scenario simulator for clinical reasoning, Toxicology and overdose reference, SBAR-style communication support, Plain-language education, Safety reminders

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Nurse Math Calculator free?

Nurse Math Calculator costs $9.99, with no in-app purchases.

### Is Stable free?

Stable is free to download, with no in-app purchases.

### Which has better reviews, Nurse Math Calculator or Stable?

Nurse Math Calculator and Stable are both rated 5.0 out of 5 on the App Store, from 1 and 9 ratings respectively.

### Do Nurse Math Calculator or Stable have ads?

Neither Nurse Math Calculator nor Stable shows ads.

### Which is updated more often, Nurse Math Calculator or Stable?

Nurse Math Calculator ships an update every 2 months, and Stable every 4 weeks. Most recently, Nurse Math Calculator was updated on October 30, 2026 and Stable on October 10, 2026.

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