# Nervous System vs Dosage Calc Nursing Practice

The clearest difference is in-app purchases: Nervous System at none against Dosage Calc Nursing Practice's 3. Nervous System also leads on iOS requirement (12.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Dosage Calc Nursing Practice sells 3 in-app purchases, starting at $0.99 per month. Nervous System asks for nothing beyond the download.

Nervous System ships an update monthly, Dosage Calc Nursing Practice every 2 months. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Nervous System | Dosage Calc Nursing Practice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 1.3 GB | 9 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 12+ | 12+ |
| Developer | [Hong Kong Metropolitan University](https://appshunter.io/developer/432474107) | [HD YAPIMCILIK VE TEKNOLOJI ITHALAT IHRACAT TICARET LIMITED SIRKETI](https://appshunter.io/developer/1871741424) |

## What reviewers say

### Nervous System

[App page](https://appshunter.io/ios/app/nervous-system/id1506863463)

**Features:** macOS Compatibility

**In-app purchases:** none


### Dosage Calc Nursing Practice

[App page](https://appshunter.io/ios/app/dosage-calc-nursing-practice/id6796341396)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DosageCalc Pro — Monthly | $0.99 | per month |
| DosageCalc Pro — Yearly | $5.99 | per year |
| DosageCalc Pro — Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is Nervous System free?

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

### Is Dosage Calc Nursing Practice free?

Dosage Calc Nursing Practice is free to download, with in-app purchases available.

### Do Nervous System or Dosage Calc Nursing Practice have ads?

Neither Nervous System nor Dosage Calc Nursing Practice shows ads.

### Which is updated more often, Nervous System or Dosage Calc Nursing Practice?

Nervous System ships an update monthly, and Dosage Calc Nursing Practice every 2 months. Most recently, Nervous System was updated on October 8, 2026 and Dosage Calc Nursing Practice on October 11, 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.*