Comparison

Flex Success vs TrainwithKamil

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

Head to head
About

Flex Success

Features
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Since 2014, Flex Success has prided themselves on being an industry leader in online health coaching, with a belief that everything must be customised to the client’s needs. Our team of coaches has 40 years of industry experience between them. Together, the team is raising the industry standard by providing a client-centric, evidence-informed, sustainable, partnership approach to results. Flex Success has and will remain an independent platform. This means we do not accept any kickbacks from the sale or promotion of anything such as diet types, supplements, or exercise equipment. This leaves the Flex Coaches free to provide honest advice without bias or agenda. * App access requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy

About

TrainwithKamil

Features
Read full description

If you've landed on my app, I'm assuming you have physical goals. As a coach, I plan on helping you with this. Thanks to my knowledge, I can provide you with the tools you need to boost your physical progress so that you will make the most of your potential. In the app there is a detailed plan that is fully tailored to your goal and throughout the process, I will continuously assist you to ensure that you are in the right place. Coaching for the dedicated strength athlete. Driven by passion for physical development. Focused on making maximum progress together. * App access requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy

Screenshots

Flex Success3 screens
TrainwithKamil3 screens

Verdict

The call

Flex Success and TrainwithKamil are too close to call on the numbers: across 6 compared parameters β€” price, update cadence, ads and in-app purchases among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Flex Success sells 1 in-app purchase, starting at $99.99 per month and TrainwithKamil sells 1 in-app purchase, starting at $155.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.

ScorecardNo meaningful differences
Flex Success versus TrainwithKamil: the parameters behind the verdict, then further details
ParameterFlex SuccessTrainwithKamil
PriceFreeFree
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details β€” not scored
Size52 MB52 MB
Age rating17+17+
DeveloperFlex Success FZCOKamil Karpinski

In-app purchases

1 purchases

Flex Success

Subscriptions1
  • Online Coaching$99.991 Month
1 purchases

TrainwithKamil

Subscriptions1
  • Coaching$155.991 Month

Questions

Is Flex Success free?
Flex Success is free to download, with in-app purchases available.
Is TrainwithKamil free?
TrainwithKamil is free to download, with in-app purchases available.
Do Flex Success or TrainwithKamil have ads?
Neither Flex Success nor TrainwithKamil shows ads.
Which is updated more often, Flex Success or TrainwithKamil?
Flex Success ships an update every 2 months, and TrainwithKamil every 2 months. Most recently, Flex Success was updated on October 9, 2026 and TrainwithKamil on October 2, 2026.

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