# IV drip calculation vs 点滴滴下の計算 / NurseCalc

The clearest difference is update cadence: 点滴滴下の計算 / NurseCalc at every 3 days against IV drip calculation's monthly. 点滴滴下の計算 / NurseCalc also leads on monetization model (free vs free with in-app purchases) and iOS requirement (18.0 vs 26.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. IV drip calculation sells 1 one-off in-app purchase and 点滴滴下の計算 / NurseCalc sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

IV drip calculation ships an update monthly, 点滴滴下の計算 / NurseCalc every 3 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | IV drip calculation | 点滴滴下の計算 / NurseCalc |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 8 MB | 11 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 12+ | 17+ |
| Developer | [BLUE COMET LABS LLC](https://appshunter.io/developer/1492055170) | [Kazuhiro Higuchi](https://appshunter.io/developer/1887293944) |

## What reviewers say

### IV drip calculation

[App page](https://appshunter.io/ios/app/iv-drip-calculation-ondrip/id6483362139)

This app simplifies IV drip rate calculation and adjustment using intuitive vibration feedback. It allows saving common settings and synchronizing them between iPhone and Apple Watch, aiding healthcare professionals in providing efficient patient care.

**Highlights:** Calculate drip rate, Vibration-based drip adjustment, Save infusion settings, Sync between iPhone and Apple Watch, Intuitive UI

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OnDrip Pro - Lifetime | $2.99 | one-time |


### 点滴滴下の計算 / NurseCalc

[App page](https://appshunter.io/ios/app/nursecalc/id6761013216)

This app is a dedicated tool for calculating IV drip rates and infusion speeds, designed for nurses. It offers offline functionality, a clean interface with no ads, and features to prevent calculation errors and enhance usability in busy medical environments.

**Highlights:** IV drip rate calculation, Infusion speed calculation, Offline functionality, Ad-free experience, Dark mode, Abnormal value alerts, Double-check screen

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| スタンダード版 | $4.99 | one-time |
| スタンダード版 | $9.99 | one-time |


## Frequently asked questions

### Is IV drip calculation free?

IV drip calculation is free to download, with in-app purchases available.

### Is 点滴滴下の計算 / NurseCalc free?

点滴滴下の計算 / NurseCalc is free to download, with in-app purchases available.

### Do IV drip calculation or 点滴滴下の計算 / NurseCalc have ads?

Neither IV drip calculation nor 点滴滴下の計算 / NurseCalc shows ads.

### Which is updated more often, IV drip calculation or 点滴滴下の計算 / NurseCalc?

IV drip calculation ships an update monthly, and 点滴滴下の計算 / NurseCalc every 3 days. Most recently, IV drip calculation was updated on October 30, 2026 and 点滴滴下の計算 / NurseCalc on October 28, 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.*