# Extreme Fit vs SweatStacks

The clearest difference is iOS requirement: Extreme Fit at 9.3 against SweatStacks's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Extreme Fit ships an update every 2 weeks, SweatStacks every 10 days. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Extreme Fit | SweatStacks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/extreme-fit/id1220233631/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Free | — |
| Size | 52 MB | 740 MB |
| Requires iOS | **9.3** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [American Service Financial Corp](https://appshunter.io/developer/1220233180) | [Oftring Ventures, LLC](https://appshunter.io/developer/1590945542) |

## What reviewers say

### Extreme Fit

[App page](https://appshunter.io/ios/app/extreme-fit/id1220233631)

Manage your club's class schedules, book training sessions, and check in seamlessly from your device. Earn rewards and potential insurance reimbursements for your workouts. Access trainer communication, workout videos, and club information like menus and promotions.

**Highlights:** View class schedules, Sign up for classes, Purchase and schedule training sessions, Mobile check-in, Earn rewards and reimbursements, Direct trainer communication, Workout video library, Club information access

**Features:** macOS Compatibility

**In-app purchases:** none


### SweatStacks

[App page](https://appshunter.io/ios/app/sweatstacks/id6458591124)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Extreme Fit free?

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

### Is SweatStacks free?

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

### Do Extreme Fit or SweatStacks have ads?

Neither Extreme Fit nor SweatStacks shows ads.

### Which is updated more often, Extreme Fit or SweatStacks?

Extreme Fit ships an update every 2 weeks, and SweatStacks every 10 days. Most recently, Extreme Fit was updated on October 29, 2026 and SweatStacks 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.*