Comparison

Marshalltown YMCA vs Swim Slipstream

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Portable Swimming Machine

Free

💪 Health & Fitness

No ratingsView app →

About

Marshalltown YMCA

Features

Read full description

This is the official member mobile application for Marshalltown YMCA. Members can access the club with their digital barcode, find fitness classes, track their attendance, & much more with our dynamic mobile app.

About

Swim Slipstream

Features

Read full description

The app connects to the swim unit via BlueTooth monitoring the swim current speed over time. Users can measure their swim pace and distance, saving to a log for workout tracking.

Screenshots

Marshalltown YMCA3 screens

Swim Slipstream3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences · 4 level

Marshalltown YMCA versus Swim Slipstream: the parameters behind the verdict, then further details
Parameter	Marshalltown YMCA	Swim Slipstream
Price	Free	Free
Update frequency	Monthly — better	Every 2 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod — better	iPhone
Requires iOS	11.0 — better	16.6
Further details — not scored
Size	42 MB	2 MB
Age rating	4+	4+
Developer	MotionVibe Innovations LLC	Bantam Marketing, Inc.

In-app purchases

None

Marshalltown YMCA

No in-app purchases

None

Swim Slipstream

No in-app purchases

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.