# NxGen Spirometer vs NexSample

The clearest difference is update cadence: NexSample at weekly against NxGen Spirometer's every 7 months. NxGen Spirometer's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NxGen Spirometer ships an update every 7 months, NexSample weekly. The most recent releases landed on May 17, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | NxGen Spirometer | NexSample |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Size | 55 MB | 30 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Safey Medical Devices Ltd](https://appshunter.io/developer/1551912769) | [M Jeeva Sankar](https://appshunter.io/developer/1892039458) |

## What reviewers say

### NxGen Spirometer

[App page](https://appshunter.io/ios/app/nxgen-spirometer/id6737472667)

**Features:** macOS Compatibility

**In-app purchases:** none


### NexSample

[App page](https://appshunter.io/ios/app/nexsample/id6761913387)

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

**In-app purchases:** none


## Frequently asked questions

### Is NxGen Spirometer free?

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

### Is NexSample free?

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

### Do NxGen Spirometer or NexSample have ads?

Neither NxGen Spirometer nor NexSample shows ads.

### Which is updated more often, NxGen Spirometer or NexSample?

NxGen Spirometer ships an update every 7 months, and NexSample weekly. Most recently, NxGen Spirometer was updated on May 17, 2026 and NexSample on September 22, 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.*