Flex Success vs TrainwithKamil
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Flex Success
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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 clientβs 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
TrainwithKamil
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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
Verdict
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
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.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.
| Parameter | Flex Success | TrainwithKamil |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details β not scored | ||
| Size | 52 MB | 52 MB |
| Age rating | 17+ | 17+ |
| Developer | Flex Success FZCO | Kamil Karpinski |
In-app purchases
Flex Success
- Online Coaching$99.991 Month
TrainwithKamil
- Coaching$155.991 Month
Questions
Is Flex Success free?
Is TrainwithKamil free?
Do Flex Success or TrainwithKamil have ads?
Which is updated more often, Flex Success or TrainwithKamil?
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