SthenosFit logoSTHENOSFIT 90 days free — Apply
Comparison · Updated June 2026

SthenosFit vs Kahunas

Kahunas is a true all-in-one: a white-label branded app, a large verified nutrition database, 1,000+ exercise videos, habit tracking and voice notes, all under one roof. SthenosFit goes the other way — a focused performance engine that drafts each session against peer-reviewed research, reads daily readiness from your clients' wearables, and auto-adapts the work to recovery, the menstrual cycle, and injury-risk patterns. This page lays out where each one genuinely wins.

The short version

Pick Kahunas if you want everything in one place and your own branded app on the storefront: nutrition coaching with a verified food database, exercise demonstration videos, habit tracking, voice notes, and lead-gen automations. It is a broad coaching business platform, and a strong one — and it also surfaces wearable-based health and readiness scores for the coach to act on.

Pick SthenosFit if the programming itself is the product. SthenosFit's multi-stage AI drafts each session against peer-reviewed literature with a citation visible per exercise, then auto-adapts the work to recovery signals, the menstrual cycle, and injury-risk flags on your roster — and surfaces a daily client briefing you approve before it ships. SthenosFit deliberately leaves out nutrition, exercise videos and habit tracking; it is a specialist system, not an all-in-one.

Side by side

CapabilitySthenosFitKahunas
Pricing structureOne flat plan — up to 20 clientsTiered (by client count + features)
Free trial
Evidence-based AI programming
Recovery-adaptive sessions
Cycle-aware programming
Roster-wide injury-risk flags
Coach-approved daily client briefings
Nutrition & macro coaching
Exercise video library
Habit & lifestyle tracking
Voice-note messaging
White-label client app
One-to-many automation

Comparison accurate to the best of our knowledge as of June 2026, based on each vendor's public pricing and documentation and independent review sites. Features and pricing change often — verify current details with the vendor. Spotted something out of date or wrong? Email coaches@sthenosfit.com and we will correct it. Kahunas is a trademark of its respective owner, used here for identification only; Kahunas is not affiliated with, nor does it endorse, SthenosFit.

What makes SthenosFit different

01

Programs with receipts

A multi-stage AI pipeline drafts every session against peer-reviewed strength and conditioning research. The citation behind each exercise is visible to you and your client — and the generator learns your coaching style as you edit.

02

Biometrics that act

Most platforms show wearable data on a graph. SthenosFit folds sleep, HRV, heart rate and hormonal cycle into a daily readiness score that informs the next session automatically.

03

A roster that warns you

Pattern analysis surfaces falling adherence, poor recovery and injury risk before they become a cancelled subscription — with a daily briefing per client that you approve before it ships.

Which one should you choose?

Choose Kahunas if…

  • You want full nutrition coaching — a verified food database with barcode scanning and micronutrients — alongside training.
  • You want your own white-label branded app on the iOS and Android stores, plus exercise videos, voice notes and habit tracking in one platform.
  • You run a lead-gen and content business and want forms, automations and broad client-count tiers to scale into.

Choose SthenosFit if…

  • Programming quality is your edge, and you want every prescription backed by visible research.
  • You want your clients' wearable data to actually change their next session, not just sit on a chart.
  • You want to know which client needs you today, before they drift.

Why we build it this way

Kahunas bundles a white-label app, a verified nutrition database and habit tracking into one low-priced package. We made the opposite bet — a deliberately smaller product, with every hour spent on programming quality and recovery-aware training.

That focus is a deliberate trade. We don't ship a nutrition database, a stock video library, habit checklists or a white-label reskin — and we are not going to. Every hour of engineering goes into the two things that decide whether a client stays: programming drafted from current research, and training that bends to how they actually recover. If you want one app that does a little of everything, we are honestly the wrong choice. If you want the sharpest programming you can put your name on, there is nothing closer.

Looking for a Kahunas alternative?

SthenosFit and Kahunas solve different problems. Kahunas is an all-in-one coaching business platform — branded app, verified nutrition database, exercise videos, habits, voice notes, drip content, automations, and wearable-based health and readiness scores — built to run your whole operation under one roof. SthenosFit is a specialist system for the programming itself: a multi-stage AI drafts every session against peer-reviewed research with citations you can see, then auto-adapts the work to recovery signals, the menstrual cycle, and injury-risk patterns, with a daily client briefing you approve before it ships. If you need nutrition, exercise videos or habit tracking, Kahunas covers them and SthenosFit does not. If you want defensible, recovery-aware programming that adapts itself, that is what SthenosFit is built around.

Common questions

Does SthenosFit have a white-label branded app like Kahunas?

No. Kahunas offers a fully white-label iOS and Android app on its top tier. SthenosFit ships a single coach + client app for iOS and Android and does not offer white-labeling. If a branded storefront app is essential to you, Kahunas is the better fit.

Does SthenosFit do nutrition and macro coaching?

No. Kahunas includes a large verified food database with barcode scanning and micronutrient tracking. SthenosFit deliberately leaves nutrition out to focus on research-cited, recovery-aware training programming. If you need integrated nutrition coaching, choose Kahunas.

What does SthenosFit do that Kahunas does not?

SthenosFit's multi-stage AI drafts each session against peer-reviewed literature with a citation visible per exercise, then auto-adapts sessions to recovery signals, the menstrual cycle, and injury-risk patterns, and generates a daily client briefing you approve before it ships. Both platforms read wearable data — Kahunas surfaces health and readiness scores for the coach to act on, while SthenosFit uses those signals to adapt the programming automatically and ties each prescription back to a citation.

Founding-member offer

First 90 days free. Then 20% off for good.

One plan, up to 20 clients, 14-day free trial. Only 20 spots available.

Apply for a founding spot