# Marshalltown YMCA vs Swim Slipstream

The clearest difference is update cadence: Marshalltown YMCA at monthly against Swim Slipstream's every 2 months. Marshalltown YMCA also leads on iOS requirement (11.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Marshalltown YMCA ships an update monthly, Swim Slipstream every 2 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Marshalltown YMCA | Swim Slipstream |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 42 MB | 2 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MotionVibe Innovations LLC](https://appshunter.io/developer/889551695) | [Bantam Marketing, Inc.](https://appshunter.io/developer/1741013936) |

## What reviewers say

### Marshalltown YMCA

[App page](https://appshunter.io/ios/app/marshalltown-ymca/id1552401109)

**Features:** macOS Compatibility

**In-app purchases:** none


### Swim Slipstream

[App page](https://appshunter.io/ios/app/swim-slipstream/id6742076366)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Marshalltown YMCA free?

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

### Is Swim Slipstream free?

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

### Do Marshalltown YMCA or Swim Slipstream have ads?

Neither Marshalltown YMCA nor Swim Slipstream shows ads.

### Which is updated more often, Marshalltown YMCA or Swim Slipstream?

Marshalltown YMCA ships an update monthly, and Swim Slipstream every 2 months. Most recently, Marshalltown YMCA was updated on November 7, 2026 and Swim Slipstream on October 30, 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.*