# CrushStations vs CalcTrain

The clearest difference is in-app purchases: CrushStations at none against CalcTrain's 1. CrushStations also leads on iOS requirement (12.0 vs 17.0). CalcTrain's advantage is update cadence (fortnightly vs every 13 months). On price, ads and device support there is nothing between them.

Both are free to download. CalcTrain sells 1 one-off in-app purchase. CrushStations asks for nothing beyond the download.

CrushStations ships an update every 13 months, CalcTrain fortnightly. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CrushStations | CalcTrain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/crushstations/id1475914154/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 294 MB | 3 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [New York University](https://appshunter.io/developer/485666462) | [Berkay Bentetik](https://appshunter.io/developer/1688001429) |

## What reviewers say

### CrushStations

[App page](https://appshunter.io/ios/app/crushstations/id1475914154)

This game trains working memory, a key executive function, by challenging players to remember creature colors and types to rescue them from an octopus. It's designed to improve cognitive skills linked to academic success.

**Highlights:** Working memory training, Executive function development, Creature memory challenges, Educational game design, Research-backed gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### CalcTrain

[App page](https://appshunter.io/ios/app/calctrain/id6449193912)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Purchase AllStats | $0.99 | one-time |


## Frequently asked questions

### Is CrushStations free?

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

### Is CalcTrain free?

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

### Do CrushStations or CalcTrain have ads?

Neither CrushStations nor CalcTrain shows ads.

### Which is updated more often, CrushStations or CalcTrain?

CrushStations ships an update every 13 months, and CalcTrain fortnightly. Most recently, CrushStations was updated on October 24, 2026 and CalcTrain on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*