# NM HRV vs Algometer App

The clearest difference is update cadence: Algometer App at every 3 days against NM HRV's fortnightly. NM HRV's advantage is iOS requirement (15.5 vs 18.4). 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.

NM HRV ships an update fortnightly, Algometer App every 3 days. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | NM HRV | Algometer App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 85 MB | 2 MB |
| Requires iOS | **15.5** | 18.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Fourthfrontier](https://appshunter.io/developer/1331846764) | [Beytullah Ylmaz](https://appshunter.io/developer/1827679412) |

## What reviewers say

### NM HRV

[App page](https://appshunter.io/ios/app/nm-hrv/id6450173490)

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

**In-app purchases:** none


### Algometer App

[App page](https://appshunter.io/ios/app/algometer-app/id6748854163)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NM HRV free?

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

### Is Algometer App free?

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

### Do NM HRV or Algometer App have ads?

Neither NM HRV nor Algometer App shows ads.

### Which is updated more often, NM HRV or Algometer App?

NM HRV ships an update fortnightly, and Algometer App every 3 days. Most recently, NM HRV was updated on October 3, 2026 and Algometer App on October 14, 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.*