Comparison

KORR vs S35 Training

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

Head to head

About

KORR

Features

Read full description

Download the KORR app to easily book classes and manage your fitness experience - anytime, anywhere. Make a reservation, get added to a wait list, check your profile and membership status, and more – all from your device. Visit https://www.korrpilates.com/ to learn more.

About

S35 Training

Features

Read full description

Enjoy fresh 30-minute workouts every week, including strength, cardio, HIIT, and challenge sessions. You’ll also find specialist programs like Yoga, Pilates, Pre & Postnatal, and Menopause strength training. Short on time? Choose from express workouts ranging from 10 to 20 minutes, with or without equipment. Whether you’re training at home, in the gym, or on the go, this app fits into your lifestyle—helping you feel stronger, healthier, and more confident at every stage of life.

Screenshots

KORR4 screens

S35 Training3 screens

Verdict

The call

The clearest difference is update cadence: S35 Training at monthly against KORR's every 16 months. 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

KORR ships an update every 16 months, S35 Training monthly. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

Scorecard1 real difference · 5 level

KORR versus S35 Training: the parameters behind the verdict, then further details
Parameter	KORR	S35 Training
Price	Free	Free
Update frequency	Every 16 months	Monthly — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	15.6	15.1 — better
Further details — not scored
Size	33 MB	386 MB
Age rating	4+	4+
Developer	KORR PILATES LIMITED	Michela Gill

In-app purchases

None

KORR

No in-app purchases

None

S35 Training

No in-app purchases

Questions

Is KORR free?

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

Is S35 Training free?

S35 Training is free to download, with no in-app purchases.

Do KORR or S35 Training have ads?

Neither KORR nor S35 Training shows ads.

Which is updated more often, KORR or S35 Training?

KORR ships an update every 16 months, and S35 Training monthly. Most recently, KORR was updated on September 30, 2026 and S35 Training on October 5, 2026.