Comparison

Krause Performance Training vs Stretch Plus Flex

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

Head to head

Krause Performance Training

About

Krause Performance Training

Features

Read full description

For members of Krause Performance Training to reserve their place in a class, sign up for gym events, and general account management like updating headshots and credit card on file.

About

Stretch Plus Flex

Features

Read full description

Download the Stretch Plus Flex App today to plan and schedule your classes! From this mobile App, you can view class schedules and sign up for classes as well as view the studio’s location. Easily browse our class schedule and reserve your spot in HITT, Bodybuilding, CrossFit-style workouts, or mobility sessions. Download this App today!

Screenshots

Krause Performance Training4 screens

Stretch Plus Flex3 screens

Verdict

The call

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.

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

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.

Scorecard1 real difference · 5 level

Krause Performance Training versus Stretch Plus Flex: the parameters behind the verdict, then further details
Parameter	Krause Performance Training	Stretch Plus Flex
Price	Free	Free
Update frequency	Monthly	Every 3 weeks — better
Ads	Yes	No — better
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	15 — better	16.0
Further details — not scored
Size	96 MB	195 MB
Age rating	4+	4+
Developer	Krause Performance Training LLC	Roxyfitt LLC

In-app purchases

None

Krause Performance Training

No in-app purchases

None

Stretch Plus Flex

No in-app purchases

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.