Start PT vs Flex Success
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Start PT
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The START of the PT Revolution! Start PT offers the highest quality holistic online personal training services to our clients. *Requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy
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 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
Screenshots
Verdict
Start PT and Flex Success are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Start PT sells 1 in-app purchase, starting at $399.99 per month and Flex Success sells 1 in-app purchase, starting at $99.99 per month. Whichever you choose, the download price is not the number that matters.
Start PT ships an update every 5 weeks, Flex Success every 2 months. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.
| Parameter | Start PT | Flex Success |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks — better | 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 — not scored | ||
| Size | 53 MB | 52 MB |
| Age rating | 17+ | 17+ |
| Developer | Jeremy Jenkins | Flex Success FZCO |
In-app purchases
Start PT
- Monthly Coaching$399.991 Month
Flex Success
- Online Coaching$99.991 Month
Questions
Is Start PT free?
Is Flex Success free?
Do Start PT or Flex Success have ads?
Which is updated more often, Start PT or Flex Success?
Other comparisons
