# SIMPL OR vs MBSC

The clearest difference is review sentiment: SIMPL OR at 50% against MBSC's 0%. SIMPL OR also leads on update cadence (every 2 months vs every 4 months) and iOS requirement (10.0 vs 15.1). MBSC's advantage is rating (4.3 vs 3.5) and ads (none vs shown). On price, ratings volume, in-app purchases and device support there is nothing between them.

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

MBSC holds the better App Store score, 4.3 against 3.5. Both are backed by a comparable volume of ratings — 12 and 6 respectively. Written reviews complicate that: 50% of SIMPL OR's written reviews are positive against 0% of MBSC's, so the app with the better star average is not the one people write more warmly about.

SIMPL OR ships an update every 2 months, MBSC every 4 months. Both last shipped on October 20, 2026.

## The numbers

| Metric | SIMPL OR | MBSC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (12 ratings)](https://appshunter.io/ios/app/simpl-or/id970265411/reviews) | **[4.3 (6 ratings)](https://appshunter.io/ios/app/mbsc-weigh-the-odds/id1261031243/reviews)** |
| Number of ratings | **12** | 6 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Ad-supported | **Free** |
| Size | 21 MB | 22 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Procedural Learning and Safety Collaborative, Inc](https://appshunter.io/developer/970265410) | [The University of Michigan](https://appshunter.io/developer/380339599) |

## What reviewers say

### SIMPL OR

[App page](https://appshunter.io/ios/app/simpl-or/id970265411)

This app helps medical professionals evaluate residents after procedures. It collects feedback and aggregates data for faculty to track resident experience and tailor supervision. The system is designed for efficiency and provides meaningful evaluation insights.

**Highlights:** Procedure evaluation for residents, Formative feedback dictation, Aggregated resident experience data, Faculty access to evaluation data, Individualized teaching and supervision insights

**Features:** macOS Compatibility

**In-app purchases:** none


### MBSC

[App page](https://appshunter.io/ios/app/mbsc-weigh-the-odds/id1261031243)

This app provides healthcare providers with a tool to predict outcomes and VTE risk for bariatric surgery patients. It calculates projected weight loss, complication risks, and comorbidity resolution for common procedures. A VTE calculator offers risk-stratified treatment guidelines.

**Highlights:** Predict bariatric surgery outcomes, Calculate VTE risk, Project weight loss, Assess complication risk, Comorbidity resolution prediction, Risk-stratified treatment guidelines

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SIMPL OR free?

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

### Is MBSC free?

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

### Which has better reviews, SIMPL OR or MBSC?

MBSC is rated higher. SIMPL OR averages 3.5 out of 5 from 12 ratings, while MBSC averages 4.3 from 6 ratings.

### Do SIMPL OR or MBSC have ads?

SIMPL OR shows ads; MBSC does not.

### Which is updated more often, SIMPL OR or MBSC?

SIMPL OR ships an update every 2 months, and MBSC every 4 months. Most recently, SIMPL OR was updated on October 20, 2026 and MBSC on October 20, 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.*