CRPT App vs SimFit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CRPT App
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App for Personal / Online Training made by Curtis Rock. Used by clients all over the world * The App is free to download. A paid coaching plan is required to use the app. Payment for the monthly subscription will be charged to your credit card through your iTunes account at confirmation of purchase. Subscription automatically renews unless cancelled at least 24 hours prior to the end of the subscription period. Auto-renewal may be turned off in Account Settings in iTunes after purchase. Once purchased, refunds will not be provided for any unused portion of the term. Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy
SimFit
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The SimFit app makes booking and attending sessions simple. - Browse the calendar for sessions that suit you. Book and pay in just a few taps. - Use your personal QR code to check-in. - Not going to make it? Cancel and rebook directly through the app. - Class full? Join the waiting list to be notified if a spot becomes available. - Purchase memberships and more.
Screenshots
Verdict
The clearest difference is update cadence: CRPT App at every 5 weeks against SimFit's every 6 months. CRPT App also leads on iOS requirement (14.1 vs 16.4). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CRPT App ships an update every 5 weeks, SimFit every 6 months. The most recent releases landed on May 19, 2026 and August 12, 2026 respectively.
| Parameter | CRPT App | SimFit |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 36 MB | 157 MB |
| Age rating | 17+ | 4+ |
| Developer | Curtis Rock | Legitfit Limited |
In-app purchases
CRPT App
No in-app purchases
SimFit
No in-app purchases
