# CardioAlign vs NephX

The clearest difference is in-app purchases: NephX at none against CardioAlign's 4. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CardioAlign sells 4 in-app purchases, starting at $4.99 per month. NephX asks for nothing beyond the download.

## The numbers

| Metric | CardioAlign | NephX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 8 days |
| Size | 292 MB | 123 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Kenneth Guber, M.D. LLC](https://appshunter.io/developer/1860110576) | [Gobi Ganesan](https://appshunter.io/developer/1834628866) |

## What reviewers say

### CardioAlign

[App page](https://appshunter.io/ios/app/cardioalign/id6757942085)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Resident Tier | $4.99 | per month |
| Attending Tier | $14.99 | per month |
| On Call Pack | $2.99 | one-time |
| Semester Pack | $14.99 | one-time |


### NephX

[App page](https://appshunter.io/ios/app/nephx/id6775449698)

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

**In-app purchases:** none


## Frequently asked questions

### Is CardioAlign free?

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

### Is NephX free?

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

### Do CardioAlign or NephX have ads?

Neither CardioAlign nor NephX shows ads.

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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.*