# Stack Trainer vs Swesim

The clearest difference is price: Swesim at Free against Stack Trainer's $3.99. Swesim also leads on in-app purchases (none vs 2). Stack Trainer's advantage is iOS requirement (15.6 vs 17.5). On update cadence, ads and device support there is nothing between them.

Swesim is free to download; Stack Trainer costs $3.99 up front. Stack Trainer sells 2 in-app purchases, starting at $1.99 per 3 months. Swesim asks for nothing beyond the download.

Stack Trainer ships an update every 3 months, Swesim every 5 months. The most recent releases landed on August 28, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Stack Trainer | Swesim |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/stack-trainer/id646458442/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Subscription | — |
| Size | 6 MB | 46 MB |
| Requires iOS | **15.6** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ralph Cos](https://appshunter.io/developer/573505028) | [Daniel Zarins](https://appshunter.io/developer/1501538799) |

## What reviewers say

### Stack Trainer

[App page](https://appshunter.io/ios/app/stack-trainer/id646458442)

This app provides a realistic card deck experience for close-up magicians to train their memory of card stacks. It offers various challenge modes and filters to aid learning and practice, with a focus on a clean, distraction-free interface.

**Highlights:** Realistic card deck simulation, Multiple mnemonic training approaches, Customizable stack filters, Lorrayne's peg words integration, Interactive quick-touch analyzer, Display and whisper modes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Months Subscription | $1.99 | per 3 months |
| Annual Subscription | $2.99 | per year |


### Swesim

[App page](https://appshunter.io/ios/app/swesim/id1501538800)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stack Trainer free?

Stack Trainer costs $3.99, and also offers in-app purchases.

### Is Swesim free?

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

### Do Stack Trainer or Swesim have ads?

Neither Stack Trainer nor Swesim shows ads.

### Which is updated more often, Stack Trainer or Swesim?

Stack Trainer ships an update every 3 months, and Swesim every 5 months. Most recently, Stack Trainer was updated on August 28, 2026 and Swesim on September 10, 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.*