# Million Dollar Mechanism vs RxShift

The clearest difference is in-app purchases: RxShift at none against Million Dollar Mechanism's 3. RxShift also leads on iOS requirement (13.0 vs 15.1). Million Dollar Mechanism's advantage is update cadence (weekly vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Million Dollar Mechanism sells 3 one-off in-app purchases. RxShift asks for nothing beyond the download.

Million Dollar Mechanism ships an update weekly, RxShift every 6 weeks. The most recent releases landed on October 5, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Million Dollar Mechanism | RxShift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/million-dollar-mechanism/id6761089090/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 66 MB | 63 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Markus Moore](https://appshunter.io/developer/1887742071) | [Ahmet Bosnak](https://appshunter.io/developer/509135166) |

## What reviewers say

### Million Dollar Mechanism

[App page](https://appshunter.io/ios/app/million-dollar-mechanism/id6761089090)

Test your pharmacology knowledge with a high-stakes quiz game. Answer 20 questions of increasing difficulty to climb a prize ladder, with lifelines available. Features multiple categories and game modes for various learning levels.

**Highlights:** High-stakes quiz format, 20 increasing difficulty questions, Lifeline options, Multiple pharmacology categories, Offline play, Achievements and in-game shop

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Buy Coffee | $4.99 | one-time |
| Gold | $9.99 | one-time |


### RxShift

[App page](https://appshunter.io/ios/app/rxshift/id6772763353)

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

**In-app purchases:** none


## Frequently asked questions

### Is Million Dollar Mechanism free?

Million Dollar Mechanism is free to download, with in-app purchases available.

### Is RxShift free?

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

### Do Million Dollar Mechanism or RxShift have ads?

Neither Million Dollar Mechanism nor RxShift shows ads.

### Which is updated more often, Million Dollar Mechanism or RxShift?

Million Dollar Mechanism ships an update weekly, and RxShift every 6 weeks. Most recently, Million Dollar Mechanism was updated on October 5, 2026 and RxShift on October 28, 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.*