# Transaction Trainer vs Cortex

The clearest difference is price: Cortex at Free against Transaction Trainer's $1.99. Cortex also leads on update cadence (weekly vs every 6 months). Transaction Trainer's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 17.0). On ads and device support there is nothing between them.

Cortex is free to download; Transaction Trainer costs $1.99 up front. Cortex sells 2 in-app purchases, starting at $11.99 per month. Transaction Trainer asks for nothing beyond the download.

Transaction Trainer ships an update every 6 months, Cortex weekly. The most recent releases landed on September 24, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Transaction Trainer | Cortex |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Size | 73 MB | 87 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Simcoach Games](https://appshunter.io/developer/1682126328) | [Rudrakshi Patel](https://appshunter.io/developer/6775265360) |

## What reviewers say

### Transaction Trainer

[App page](https://appshunter.io/ios/app/transaction-trainer/id6745894353)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cortex

[App page](https://appshunter.io/ios/app/cortex-solve-clinical-cases/id6784620799)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cortex Monthly Subscription | $11.99 | per month |
| Cortex Yearly Subscription | $79.99 | per year |


## Frequently asked questions

### Is Transaction Trainer free?

Transaction Trainer costs $1.99, with no in-app purchases.

### Is Cortex free?

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

### Do Transaction Trainer or Cortex have ads?

Neither Transaction Trainer nor Cortex shows ads.

### Which is updated more often, Transaction Trainer or Cortex?

Transaction Trainer ships an update every 6 months, and Cortex weekly. Most recently, Transaction Trainer was updated on September 24, 2026 and Cortex on October 1, 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.*