# Onyx Performance (Members app) — Results based training

> Results based training (iPhone/iPad app by Declan Thompson.)

- Source: https://appshunter.io/ios/app/onyx-performance-members-app/id6800797229 (this page in markdown: same URL + `.md`)
- Developer: [Declan Thompson](https://appshunter.io/developer/1741138730)
- Category: Health & Fitness, Sports
- Price: Free
- Age rating: 12+
- Requires: iOS 15.0 · 7 MB
- Languages: American English
- Released: 2026-10-30
- Data updated: 2026-11-09

## What is Onyx Performance (Members app)?

Onyx Performance is the coaching app built to get you results. Track your workouts, nutrition, and progress all in one place.

FEATURES

Train Smarter
Log workouts prescribed by your coach. Track sets, reps, weights, and time. See your progress over time.

Nutrition Tracking
Log meals and macros daily. Your coach sets targets based on your goals. See daily summaries and trends.

Book Sessions
View the timetable and book group classes, small-group coaching, or personal training sessions. Get automatic reminders.

Check-Ins
Weekly check-ins with body measurements and progress photos. Track your journey with your coach.

Stay Connected
Message your coaching team directly. Get reminders for workouts and check-ins.

Works with Apple Health
Connect Apple Health from Account → Apple Health to share sleep, heart rate variability, resting heart rate, steps, active calories, weight and workouts with your coach. Onyx Performance only reads this data, never writes to Health, and you can disconnect at any time.

MEMBERSHIPS

Choose the membership that fits your goals:
• Unlimited group fitness sessions
• Results-Based Training — Small-group coaching with guaranteed time slots
• Personal Training — One-on-one sessions with your coach
• Nutrition Add-On — Nutrition tracking and coaching

All memberships include access to your workout programs and the client portal.

PRIVACY & SECURITY

Your data is encrypted in transit and at rest. All personal information stays private — only you and your coaching team can see it.

Health data is completely optional. If you connect Apple Health, we only read daily summaries (steps, sleep, heart rate). You can disconnect anytime.

Card details are handled entirely by Stripe we never see or store your card number.

For privacy questions, visit https://onyxperformance.net/privacy or email hello@onyxperformance.net

## Is Onyx Performance (Members app) safe?

Not enough ratings yet to assess Onyx Performance (Members app).

## Is Onyx Performance (Members app) legit?

Onyx Performance (Members app) appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Onyx Performance (Members app) is 63 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.0 — 2026-10-30

No release notes.

## More apps by Declan Thompson

- [Declan Thompson Coaching](https://appshunter.io/ios/app/declan-thompson-coaching/id6496851676)

All apps by Declan Thompson: https://appshunter.io/developer/1741138730

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-11-09.*