# Krause Performance Training vs Stretch Plus Flex

The clearest difference is ads: Stretch Plus Flex at none against Krause Performance Training's shown. On price, update cadence, 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.

Krause Performance Training ships an update monthly, Stretch Plus Flex every 3 weeks. The most recent releases landed on October 8, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Krause Performance Training | Stretch Plus Flex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 96 MB | 195 MB |
| Requires iOS | **15** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Krause Performance Training LLC](https://appshunter.io/developer/1834774021) | [Roxyfitt LLC](https://appshunter.io/developer/1893016009) |

## What reviewers say

### Krause Performance Training

[App page](https://appshunter.io/ios/app/krause-performance-training/id6749544792)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Stretch Plus Flex

[App page](https://appshunter.io/ios/app/stretch-plus-flex/id6762123947)

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

**In-app purchases:** none


## Frequently asked questions

### Is Krause Performance Training free?

Krause Performance Training is free to download, with no in-app purchases.

### Is Stretch Plus Flex free?

Stretch Plus Flex is free to download, with no in-app purchases.

### Do Krause Performance Training or Stretch Plus Flex have ads?

Krause Performance Training shows ads; Stretch Plus Flex does not.

### Which is updated more often, Krause Performance Training or Stretch Plus Flex?

Krause Performance Training ships an update monthly, and Stretch Plus Flex every 3 weeks. Most recently, Krause Performance Training was updated on October 8, 2026 and Stretch Plus Flex on September 29, 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.*