A little more you. Every day.
Every day.More terrific.
Your training, recovery, and daily rituals. Connected in one place, built around the life you want to live.
TRAINING / RECOVERY / LIFE
Interface
A precision instrument you read at a glance.
Large numerals, one clear hierarchy and almost no motion. Built for a dark gym floor and just as sharp in daylight.
The inputs, the baselines they were measured against, and what the day was missing.
HRV, resting heart rate, sleep, steps and weight, with nothing to type in.
Sets, reps and weights logged as you go, carried forward to next week.



The Map
Not a PDF. A living plan.
A Map is a structured transformation plan with a version history, required check-ins and a real coach attached. It adapts as you progress, and every change is recorded.
The Terrifit Band
One band. Every version of you.
Continuous performance sensing for training, work and everything after.

Two colours of yarn woven together, not one flat dye. It hides a hard week and dries flat in twenty minutes.
The whole computer, about the size of a thumbnail, sitting against the inside of your wrist where the signal is cleanest.
A second electrode on the outside. Rest a fingertip on it and the band records a single-lead trace to go with the optical reading.
Nothing to check, nothing to buzz, nothing to charge every night. The band measures and the phone explains.
- 01Woven strap
Two colours of yarn woven together, not one flat dye. It hides a hard week and dries flat in twenty minutes.
- 02Sensor module
The whole computer, about the size of a thumbnail, sitting against the inside of your wrist where the signal is cleanest.
- 03ECG contact
A second electrode on the outside. Rest a fingertip on it and the band records a single-lead trace to go with the optical reading.
- 04No screen
Nothing to check, nothing to buzz, nothing to charge every night. The band measures and the phone explains.
Adherence, strength, cardio, sleep, recovery, activity, measurements and body composition — in one private dashboard, with weekly, bi-weekly and monthly comparisons.
Large numerals, one clear hierarchy and almost no motion. Built for a dark gym floor and just as sharp in daylight.
Health scores and body-age estimates always show their inputs and their limitations. They are fitness signals, not medical diagnoses, and Terrifit will never present them as such.
A social app for everything you do for your body, the V1 band that tracks how you are actually doing, and a shop of supplements and gear we use ourselves.
What it measures
It reads you the whole time, and shows you its working.
Continuous sensing from the moment you fasten it. No session to start, no screen to check, and nothing to charge overnight for a fortnight.
Around the clock
- Heart rate
- Continuously, awake and asleep, not only during a workout
- Heart-rate variability
- Taken in your deepest sleep, which is when the number means something
- Blood oxygen
- Overnight SpO₂, and how you are adjusting at altitude
- Skin temperature
- Against your own baseline, never a population average
- Breathing rate
- Usually the first thing that moves when you are coming down with something
Worked out from those
- Recovery
- One morning score from HRV, resting heart rate, sleep and breathing rate
- Strain
- Cardiovascular load through the day, on a 0 to 21 scale
- Sleep
- Light, deep and REM, against how much sleep you actually needed
- T Score
- How much of the day you genuinely moved, out of 100
- Fitness age
- From your maximum and resting heart rates. Free, and shareable
While you train
- Automatic sessions
- It works out you have started and logs it. Over forty activities
- Metabolic load
- What the session cost, carried into tomorrow's recovery target
- Stress and mood
- Autonomic load across the day, not a single morning reading
- VO₂max
- Cardio-respiratory fitness, tracked as it moves
- Heart rhythm recording
- A single-lead trace on demand. A recording for your own records, not a diagnosis
Terrifit provides wellness guidance, not medical diagnosis. Scores and estimates are not clinical measurements. If something looks wrong, see a clinician.

One signal. Every version of you.
Ten languages
Native from the first day, not translated later.
Terrifit was built in ten languages at once rather than shipped in English and localised afterwards. Every screen, every score and every error message — including the ones you only see when something goes wrong.
One signal. Every version of you.
Arabic runs right to left with its own typeface, because a language is not a font swap. Country names and dates come from your device rather than a table we maintain, so they are correct in places we have never been.
THE TERRIFIT STORE
Everyday essentials.
Available now
Two of these ship today. The third is open for pre-order.
No countdown and no waiting list. Fuel and gymwear leave the warehouse now, and the V1 is taking reservations at the founding price.
- Shipping nowTerrifuel supplements
Third-party tested protein, hydration and recovery, shipping to 40+ countries.
Shop Terrifuel - Shipping nowTerrifits gymwear
Heavyweight tees, hoodies and shorts, sweat-tested before they went on sale.
Shop Terrifits - Pre-order openThe V1 band
Reserve yours at the founding price. Pre-orders ship in the order they were placed, and are refundable until yours does.
Reserve the V1
Pre-orders are refundable in full until your band ships.
TERRIFIT / Waitlist
Your next chapter starts here.
Join the list for launch news and early access. We’ll let you know when Terrifit is ready for you.
Free to join. No payment details.

