Parameter vs Roxpace

Parameter is a workout app built around a simple idea: you already have a subscription to an AI that is a smarter coach than any fitness app's built-in one. Connect it once, and your AI plans your training using your goals, your equipment, and your real workout history, not a generic template. Parameter's job is to run what your AI writes and log it honestly: strength, intervals, classes, and rest, tracked on iPhone and on Apple Watch. In a chat with your AI, you can ask things like: - "Plan my week. I'm training for a 10K in six weeks and I lift Tuesdays and Thursdays." - "I tweaked my knee. Adjust today's session." - "Look at last month and tell me if my squat is actually progressing." Your AI reads your profile, equipment, and history to answer, then pushes a plan or an updated workout straight into Parameter. You never touch a template or a spreadsheet, and Parameter never writes a plan on its own. Parameter runs four kinds of training: guided classes you follow in another app, structured intervals with a live segment display and heart-rate-zone targets, exercise routines with a plate calculator and your last set shown before you lift, and simple sessions for a run, ride, or walk with indoor/outdoor tagging. Rest days get their own card, with active-recovery guidance, not an empty gap in your week. On many machines that support the Bluetooth FTMS profile, Parameter sends each segment's authored targets to the equipment. On heart-rate-zone segments it also closes a loop to hold your zone, correcting speed on a treadmill and power on an indoor bike. It never chases your heart rate with incline. Starting and stopping a machine is always yours. Every interval workout also prints as a numbered console table, so a machine with no Bluetooth at all is still a first-class way to train. Parameter's Apple Watch app works fully on its own, with its own sync, so a run or a lift is tracked wrist-only if that is all you bring. Whichever device starts a workout, the other shows the exact same execution screen, not just a status line, and pause, skip, end, and adjust all work from either wrist or phone. The Digital Crown adjusts your current target or your reps before you check off a set, and watch face complications and a Smart Stack card show what's next. $1 a month, with a two-week free trial, is the only thing Parameter charges for, and it covers only the AI connection. Planning, execution, history, and a full data export stay free whether you subscribe or not. There's no Parameter account: your workouts, profile, and history live in your own private iCloud, and Parameter runs no database of its own to store them in. Parameter works with any MCP-compatible AI client, including the assistants most people already subscribe to. Parameter requires an iPhone running iOS 17 or later. An Apple Watch is recommended for live heart rate and wrist execution, but not required. Having a plan written by your AI needs an MCP-compatible AI client; building and logging your own workouts by hand works with no AI client at all. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://parameterfit.com/legal/privacy-policy/

Race day is eight runs, eight stations and the roxzone in between. RoxPace turns your Apple Watch into the only tool you need on the floor — and turns everything it records into coaching built on your own numbers. RACE MODE ON YOUR WRIST • Times the whole race: 8×1 km runs, all eight stations and every roxzone transition, each measured separately • Live pace with delta to target, heart-rate zone and projected finish, glanceable at max effort • Advance a segment with Double Tap, the Digital Crown or a tap — hands free when your grip is gone • Haptic cues for transitions and the moment you drift off target pace • Voice coach through your AirPods • Roxzone screen shows the clock and the station coming next • Finish summary with your PB delta • Open, Pro, Doubles and Relay divisions A PACING PLAN, NOT A GUESS • Set a target time and get even-effort splits for every run, station and roxzone • Send the plan straight to Watch race mode — it tells you live whether you are ahead or behind • Finish-time predictor with a confidence range, plus a verdict on your target: comfortable, realistic or ambitious • No race logged yet? A population model gives you a usable estimate on day one, and it tightens with every race you add WHERE YOUR RACE ACTUALLY GOES • Full segment timeline and split table with PB deltas • Weakness analysis: the station or run costing you the most, ranked • Benchmarks against your age group and division — segments vs field, run fatigue vs field • Finish-time trend across races • Log past races by hand to calibrate everything from day one TRAINING SHAPED BY THE RACE • Periodized plan anchored to your race date, rebuilt when the date moves • Compromised-run sessions, station strength, tempo intervals, roxzone practice and full race simulations • Run plan sessions on your Watch with heart rate and milestone haptics • Race countdown complication and Smart Stack widget • Training and result reminders • Live workout tracking on iPhone for the days you leave the Watch behind AI COACH THAT READS YOUR DATA Ask why the second half fell apart, or what to prioritize in the six weeks you have left. The coach works from your real splits, heart rate and race history — not the generic advice you can get anywhere. BUILT AROUND HOW YOU TRAIN Guest mode is fully functional and stays on your device. Sign in with Apple whenever you want backup and iPhone and Watch sync. Export or delete your data at any time. ROXPACE PRO Unlimited race history and full splits, predictor and pacing plans on Watch, weakness analysis against your age group, and the AI coach. Seven-day free trial, then monthly or yearly. RoxPace is an independent app. It is not affiliated with, endorsed by or sponsored by HYROX or Upsolut Sports GmbH. RoxPace Pro subscription: monthly or yearly, auto-renewing, with a 7-day free trial. Prices are shown in the app before you confirm and vary by region. Payment is charged to your Apple ID. The subscription renews unless it is cancelled at least 24 hours before the period ends. Manage or cancel in Settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://milaapps.com/roxpace/privacy.html