# 3DMedSim vs QuestionOasis

The clearest difference is in-app purchases: 3DMedSim at none against QuestionOasis's 1. QuestionOasis's advantage is update cadence (monthly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. QuestionOasis sells 1 in-app purchase, starting at $4.99 per month. 3DMedSim asks for nothing beyond the download.

3DMedSim ships an update every 3 months, QuestionOasis monthly. The most recent releases landed on September 20, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | 3DMedSim | QuestionOasis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 81 MB | 34 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Momentum Bilgisayar Yazilim Danismanlik Ticaret AS](https://appshunter.io/developer/626732803) | [Deniz Barıs CAKIROGLU](https://appshunter.io/developer/1767156681) |

## What reviewers say

### 3DMedSim

[App page](https://appshunter.io/ios/app/3dmedsim-learning-suite/id1552367615)

**Features:** macOS Compatibility

**In-app purchases:** none


### QuestionOasis

[App page](https://appshunter.io/ios/app/questionoasispractice-with-ai/id6670706155)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QuestionOasis Premium | $4.99 | per month |


## Frequently asked questions

### Is 3DMedSim free?

3DMedSim is free to download, with no in-app purchases.

### Is QuestionOasis free?

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

### Do 3DMedSim or QuestionOasis have ads?

Neither 3DMedSim nor QuestionOasis shows ads.

### Which is updated more often, 3DMedSim or QuestionOasis?

3DMedSim ships an update every 3 months, and QuestionOasis monthly. Most recently, 3DMedSim was updated on September 20, 2026 and QuestionOasis on June 2, 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.*