# Digi vs NeuroStudy

The clearest difference is review sentiment: NeuroStudy at 100% against Digi's 0%. NeuroStudy also leads on rating (5.0 vs 3.7). Digi's advantage is in-app purchases (none vs 1) and update cadence (every 2 months vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. NeuroStudy sells 1 one-off in-app purchase. Digi asks for nothing beyond the download.

NeuroStudy holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 0% of Digi's written reviews are positive against 100% of NeuroStudy's.

Digi ships an update every 2 months, NeuroStudy every 6 months. The most recent releases landed on June 5, 2026 and August 22, 2026 respectively.

## The numbers

| Metric | Digi | NeuroStudy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/digi-ddx/id1571762764/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/neurostudy/id6746649195/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 95 MB | 72 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [OSF Healthcare System](https://appshunter.io/developer/1053621635) | [NeuroStudy](https://appshunter.io/developer/1792301396) |

## What reviewers say

### Digi

[App page](https://appshunter.io/ios/app/digi-ddx/id1571762764)

Practice diagnostic reasoning with simulated patient cases. Make informed decisions on diagnostic tests and patient management, comparing your efficiency and cost to experienced clinicians. Learn from feedback and access relevant literature.

**Highlights:** Simulated patient cases, Diagnostic test selection, Patient management choices, Cost comparison to experts, Clinical feedback, Hyperlinks to literature

**Features:** macOS Compatibility

**In-app purchases:** none


### NeuroStudy

[App page](https://appshunter.io/ios/app/neurostudy/id6746649195)

This app offers neurologists and trainees step-by-step guidance for performing specialized neurophysiological studies like NCS and SSEP. It includes essential reference values for efficient testing and report writing, aiding in practical applications.

**Highlights:** Step-by-step guidance for neurophysiological studies, Reference values for NCS, SSEP, MEP, Educational insights for professionals, User-friendly interface, Assists with practical procedures

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| full version | $11.99 | one-time |


## Frequently asked questions

### Is Digi free?

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

### Is NeuroStudy free?

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

### Which has better reviews, Digi or NeuroStudy?

NeuroStudy is rated higher. Digi averages 3.7 out of 5 from 3 ratings, while NeuroStudy averages 5.0 from 1 ratings.

### Do Digi or NeuroStudy have ads?

Neither Digi nor NeuroStudy shows ads.

### Which is updated more often, Digi or NeuroStudy?

Digi ships an update every 2 months, and NeuroStudy every 6 months. Most recently, Digi was updated on June 5, 2026 and NeuroStudy on August 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.*