# Peak Flow Log vs NeuroLogicMD

The clearest difference is in-app purchases: NeuroLogicMD at none against Peak Flow Log's 1. NeuroLogicMD also leads on ratings volume (21 vs 1) and iOS requirement (18.0 vs 26.2). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Peak Flow Log sells 1 one-off in-app purchase. NeuroLogicMD asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Peak Flow Log against 5.0 for NeuroLogicMD. That said, the two scores are not equally well evidenced: NeuroLogicMD has 21 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Peak Flow Log ships an update every 2 weeks, NeuroLogicMD weekly. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Peak Flow Log | NeuroLogicMD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/peak-flow-log-asthma-diary/id867777007/reviews) | [5.0 (21 ratings)](https://appshunter.io/ios/app/neurologicmd/id6756982749/reviews) |
| Number of ratings | 1 | **21** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 5 MB | 85 MB |
| Requires iOS | 26.2 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Friedrich Ewald](https://appshunter.io/developer/867777010) | [Matt Davitz](https://appshunter.io/developer/1864002689) |

## What reviewers say

### Peak Flow Log

[App page](https://appshunter.io/ios/app/peak-flow-log-asthma-diary/id867777007)

This app helps you monitor your asthma and peak flow readings. It uses a color-coded system to indicate the quality of your measurements. Additional features are available through a premium version.

**Highlights:** Track asthma and peak flow, Color-coded value indicators, Premium features available, Feature requests welcome

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peak Flow Log Plus | $0.99 | one-time |


### NeuroLogicMD

[App page](https://appshunter.io/ios/app/neurologicmd/id6756982749)

This educational companion provides neurology residents, medical students, and healthcare professionals with evidence-based clinical pathways, diagnostic tools, and references. It includes interactive algorithms for common neurological conditions, a digital toolbox with exam instruments, and medical calculators. All data is stored locally for privacy and security.

**Highlights:** Interactive clinical pathways for stroke, seizure, and more, Digital neurologist's toolbox with exam instruments, Medical calculators and scores (NIHSS, GCS), Neuro exam recorder and translator, Board review questions, Offline access and biometric lock

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

**In-app purchases:** none


## Frequently asked questions

### Is Peak Flow Log free?

Peak Flow Log is free to download, with in-app purchases available.

### Is NeuroLogicMD free?

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

### Which has better reviews, Peak Flow Log or NeuroLogicMD?

Peak Flow Log and NeuroLogicMD are both rated 5.0 out of 5 on the App Store, from 1 and 21 ratings respectively.

### Do Peak Flow Log or NeuroLogicMD have ads?

Neither Peak Flow Log nor NeuroLogicMD shows ads.

### Which is updated more often, Peak Flow Log or NeuroLogicMD?

Peak Flow Log ships an update every 2 weeks, and NeuroLogicMD weekly. Most recently, Peak Flow Log was updated on November 1, 2026 and NeuroLogicMD on November 5, 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.*