# Iodine Interact vs MKSAP 19

The clearest difference is update cadence: MKSAP 19 at every 2 months against Iodine Interact's every 19 months. MKSAP 19 also leads on iOS requirement (12.0 vs 15.0). Iodine Interact's advantage is review sentiment (100% vs 71%). On price, rating, ratings volume and ads there is nothing between them.

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

Iodine Interact holds the better App Store score, 4.2 against 4.1. Both are backed by a comparable volume of ratings — 18 and 38 respectively. Written reviews point the same way: 100% of Iodine Interact's written reviews are positive against 71% of MKSAP 19's.

Iodine Interact ships an update every 19 months, MKSAP 19 every 2 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Iodine Interact | MKSAP 19 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (18 ratings)](https://appshunter.io/ios/app/iodine-interact/id1141600769/reviews)** | [4.1 (38 ratings)](https://appshunter.io/ios/app/mksap-19/id1577787036/reviews) |
| Number of ratings | 18 | **38** |
| Positive reviews | **100.0% of reviews** | 70.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 19 MB | 423 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Iodine Software LLC](https://appshunter.io/developer/456288083) | [American College of Physicians](https://appshunter.io/developer/371090673) |

## What reviewers say

### Iodine Interact

[App page](https://appshunter.io/ios/app/iodine-interact/id1141600769)

This secure, cloud-based platform allows physicians to efficiently respond to clinical documentation queries for accurate reimbursement and quality reporting. It offers real-time dashboards and reports to track query activity, ensuring compliance.

**Highlights:** Secure, HIPAA-compliant platform, Cloud-based query management, Physician response tool, Real-time dashboards and reports, Clinical documentation improvement

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

**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 Iodine Interact free?

Iodine Interact 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, Iodine Interact or MKSAP 19?

Iodine Interact is rated higher. Iodine Interact averages 4.2 out of 5 from 18 ratings, while MKSAP 19 averages 4.1 from 38 ratings.

### Do Iodine Interact or MKSAP 19 have ads?

Neither Iodine Interact nor MKSAP 19 shows ads.

### Which is updated more often, Iodine Interact or MKSAP 19?

Iodine Interact ships an update every 19 months, and MKSAP 19 every 2 months. Most recently, Iodine Interact was updated on November 2, 2026 and MKSAP 19 on November 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*