# IV drip calculation vs DoxAPP

The clearest difference is update cadence: DoxAPP at weekly against IV drip calculation's monthly. DoxAPP also leads on iOS requirement (18.6 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. IV drip calculation sells 1 one-off in-app purchase and DoxAPP sells 1 in-app purchase, starting at $49.99 per month. Whichever you choose, the download price is not the number that matters.

IV drip calculation ships an update monthly, DoxAPP weekly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | IV drip calculation | DoxAPP |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 174 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 12+ | 17+ |
| Developer | [BLUE COMET LABS LLC](https://appshunter.io/developer/1492055170) | [Vijay Renga](https://appshunter.io/developer/1801860401) |

## 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 |


### DoxAPP

[App page](https://appshunter.io/ios/app/doxapp/id6757509283)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DoxAPP Pro Monthly | $49.99 | per month |


## Frequently asked questions

### Is IV drip calculation free?

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

### Is DoxAPP free?

DoxAPP is free to download, with in-app purchases available.

### Do IV drip calculation or DoxAPP have ads?

Neither IV drip calculation nor DoxAPP shows ads.

### Which is updated more often, IV drip calculation or DoxAPP?

IV drip calculation ships an update monthly, and DoxAPP weekly. Most recently, IV drip calculation was updated on November 4, 2026 and DoxAPP on October 31, 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.*