# OnServiceMD STAT vs MKSAP 19

The clearest difference is rating: MKSAP 19 at 4.1 against OnServiceMD STAT's 3.0. MKSAP 19 also leads on update cadence (every 2 months vs every 12 months) and ratings volume (38 vs 4). On price, ads, in-app purchases and monetization model there is nothing between them.

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

MKSAP 19 holds the better App Store score, 4.1 against 3.0. That said, the two scores are not equally well evidenced: MKSAP 19 has 38 ratings behind it against 4, so its average is the more settled of the two.

OnServiceMD STAT ships an update every 12 months, MKSAP 19 every 2 months. The most recent releases landed on October 23, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | OnServiceMD STAT | MKSAP 19 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/onservicemd-stat/id1344656064/reviews) | **[4.1 (38 ratings)](https://appshunter.io/ios/app/mksap-19/id1577787036/reviews)** |
| Number of ratings | 4 | **38** |
| Positive reviews | — | 70.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 3 MB | 423 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [OnService Solutions, LLC.](https://appshunter.io/developer/1344656063) | [American College of Physicians](https://appshunter.io/developer/371090673) |

## What reviewers say

### OnServiceMD STAT

[App page](https://appshunter.io/ios/app/onservicemd-stat/id1344656064)

Manage hospitalist schedules and access critical information on the go. Providers can view schedules, request shifts, and access documents, while schedulers can make real-time changes and administrative adjustments from their mobile devices.

**Highlights:** View schedules, Request shifts, Access documents, Modify shifts, Administrative functions, Real-time schedule changes

**Features:** macOS Compatibility

**In-app purchases:** none


### MKSAP 19

[App page](https://appshunter.io/ios/app/mksap-19/id1577787036)

This medical education app provides access to current information in internal medicine and subspecialties. It includes exam-like questions and patient-based clinical scenarios to help physicians assess and update their knowledge. Offline access to content is available for subscribers.

**Highlights:** Current internal medicine information, 1,200 exam-like multiple-choice questions, Patient-based clinical scenarios, Offline content access, Syncs with online version, Enhances learning with figures, charts, and tables

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OnServiceMD STAT free?

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

### Is MKSAP 19 free?

MKSAP 19 is free to download, with no in-app purchases.

### Which has better reviews, OnServiceMD STAT or MKSAP 19?

MKSAP 19 is rated higher. OnServiceMD STAT averages 3.0 out of 5 from 4 ratings, while MKSAP 19 averages 4.1 from 38 ratings.

### Do OnServiceMD STAT or MKSAP 19 have ads?

Neither OnServiceMD STAT nor MKSAP 19 shows ads.

### Which is updated more often, OnServiceMD STAT or MKSAP 19?

OnServiceMD STAT ships an update every 12 months, and MKSAP 19 every 2 months. Most recently, OnServiceMD STAT was updated on October 23, 2026 and MKSAP 19 on October 21, 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.*