# n4Studies vs BDMS MSO Platform

The clearest difference is review sentiment: n4Studies at 100% against BDMS MSO Platform's 0%. n4Studies also leads on chart position (#186 vs unranked). BDMS MSO Platform's advantage is price (Free vs $1.99) and update cadence (every 3 weeks vs every 4 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

BDMS MSO Platform is free to download; n4Studies costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

n4Studies ships an update every 4 months, BDMS MSO Platform every 3 weeks. The most recent releases landed on August 7, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | n4Studies | BDMS MSO Platform |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/n4studies/id680516901/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | **#186** | — |
| Size | 8 MB | 37 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Chetta Ngamjarus](https://appshunter.io/developer/680516904) | [BANGKOK DUSIT MEDICAL SERVICES PUBLIC COMPANY LIMITED](https://appshunter.io/developer/1279858676) |

## What reviewers say

### n4Studies

[App page](https://appshunter.io/ios/app/n4studies/id680516901)

**Currently charting:** #186 Top Paid · Education (US App Store)

This application simplifies sample size and study power calculations for various research designs. It offers tools for estimating population means and proportions, comparing groups, and analyzing different study types like case-control and randomized controlled trials. Results can be easily shared via email.

**Highlights:** Calculate sample size for infinite/finite populations, Compare two population means/proportions, Calculate sample size for various study designs, Calculate study power for comparisons, Calculate study power for various study designs, Share results via email

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

**In-app purchases:** none


### BDMS MSO Platform

[App page](https://appshunter.io/ios/app/bdms-mso-platform/id1279858677)

This private application is designed for medical professionals to access and complete online training courses and assessments. It facilitates the rapid dissemination of updated medical knowledge through video lectures and tests, providing scores and certificates upon completion.

**Highlights:** Online course training, Online testing, Video learning, Scores and certificates, Annual knowledge updates, Notifications for new content

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is n4Studies free?

n4Studies costs $1.99, with no in-app purchases.

### Is BDMS MSO Platform free?

BDMS MSO Platform is free to download, with no in-app purchases.

### Do n4Studies or BDMS MSO Platform have ads?

Neither n4Studies nor BDMS MSO Platform shows ads.

### Which is updated more often, n4Studies or BDMS MSO Platform?

n4Studies ships an update every 4 months, and BDMS MSO Platform every 3 weeks. Most recently, n4Studies was updated on August 7, 2026 and BDMS MSO Platform on September 17, 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.*