# AHA Guidelines On vs NIH Stroke Scale Calculator

The clearest difference is ratings volume: AHA Guidelines On at 2K against NIH Stroke Scale Calculator's 5. AHA Guidelines On also leads on iOS requirement (12.0 vs 15.4). NIH Stroke Scale Calculator's advantage is rating (5.0 vs 4.8). On price, update cadence, ads and in-app purchases there is nothing between them.

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

NIH Stroke Scale Calculator holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: AHA Guidelines On has 2K ratings behind it against 5, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | AHA Guidelines On | NIH Stroke Scale Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (2K ratings)](https://appshunter.io/ios/app/aha-guidelines-on-the-go/id1174559204/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/nih-stroke-scale-calculator/id6443905481/reviews)** |
| Number of ratings | **2K** | 5 |
| Positive reviews | 38.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | Free |
| Size | 599 MB | 2 MB |
| Requires iOS | **12.0** | 15.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [American Heart Association](https://appshunter.io/developer/441987817) | [US Department of Veterans Affairs (VA)](https://appshunter.io/developer/430646305) |

## What reviewers say

### AHA Guidelines On

[App page](https://appshunter.io/ios/app/aha-guidelines-on-the-go/id1174559204)

Access American Heart Association clinical treatment guidelines on your mobile device. This app offers effective search with cross-linking and resources to keep you up-to-date anywhere. Additional guidelines will be added soon.

**Highlights:** Mobile guideline access, Advanced search functionality, Cross-linking of resources, Up-to-date clinical information, Tagged and mapped guidelines

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Great app
- 💡 Excellent reference tool
- 👍 Clear and concise content
- 👍 Easy to navigate
- 👍 Helpful tools and guidelines

**What reviewers complain about**

- 🐛 App crashes or freezes
- 🐛 Submission issues with classification
- 🐛 Unable to save photos
- 🔍 Outdated content
- 👎 Difficult to use and slow to respond

**Reported bugs**

- App won't open
- Submission button not working
- Inconsistent behavior with error messages

**Requested features**

- Option to change specialty
- Ability to enlarge screen/content
- Include BLS guidelines
- Add more professional classifications (e.g., Nurse Practitioner)


### NIH Stroke Scale Calculator

[App page](https://appshunter.io/ios/app/nih-stroke-scale-calculator/id6443905481)

This tool helps healthcare professionals quickly assess a patient's neurologic condition for stroke-like symptoms. Its user-friendly interface streamlines the diagnosis process, saving critical time during emergencies.

**Highlights:** Quick neurologic assessment, Stroke symptom evaluation, Intuitive user interface, Faster diagnosis, Severity determination

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

**In-app purchases:** none


## Frequently asked questions

### Is AHA Guidelines On free?

AHA Guidelines On is free to download, with no in-app purchases.

### Is NIH Stroke Scale Calculator free?

NIH Stroke Scale Calculator is free to download, with no in-app purchases.

### Which has better reviews, AHA Guidelines On or NIH Stroke Scale Calculator?

NIH Stroke Scale Calculator is rated higher. AHA Guidelines On averages 4.8 out of 5 from 2K ratings, while NIH Stroke Scale Calculator averages 5.0 from 5 ratings.

### Do AHA Guidelines On or NIH Stroke Scale Calculator have ads?

Neither AHA Guidelines On nor NIH Stroke Scale Calculator shows ads.

### Which is updated more often, AHA Guidelines On or NIH Stroke Scale Calculator?

AHA Guidelines On ships an update every 4 months, and NIH Stroke Scale Calculator every 4 months. Most recently, AHA Guidelines On was updated on November 12, 2026 and NIH Stroke Scale Calculator 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.*