fi8 App Tour

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Sign in with Google. fi8 shows everything it does before you commit. Your dashboard fills in from the moment you log your first set.

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Everything fi8 does, visible before you sign up

fi8

The fast way to train smarter

🎙

Voice logging

Hands-free, instant

⏱

Rest timer

Auto-starts after sets

📈

Progression

+2.5 kg suggestions

📊

Body scans

Composition analytics

Continue with Google

🔒 Invite-only access

Dashboard Updated

Body scan stats, weekly sessions. Tap the ⓘ on Bio Age, BMR, or Visceral for a plain-English definition

Good morning, James

Sunday, June 29

84.2kg

Weight

38.1kg

Muscle

18.3%

Body Fat

32

Bio Age i

1840

BMR i

6

Visceral i

This week · 3 sessions

TODAYPush A52 min

FRIPull B48 min

WEDBack & Core44 min

Dash

Log

Progress

History

Gym Card

🎙 Voice-first workout logging

Just tap the mic and say your exercise. No menus. When it mishears, retry in one tap, or switch to manual with the transcript pre-filled.

Session in progress

Voice logged, rest timer counting down automatically

Push A · Jun 29

18:42

3 exercises logged

Rest

1:12

skip

✓ Bench Press · Set 2 → 80kg × 10

Bench Press

80kg × 10 80kg × 10

Squat

100kg × 8 102.5kg × 7

Dash

Log

Progress

History

Gym Card

Voice error recovery New

Mishear? Retry in one tap or pre-fill manual entry

SUN · Jun 29

12:04

1 exercise logged

Couldn't understand that

Heard: "bench press 100 killers 8 reps"

Try saying:

100 kilos 100 kg

⌨ Type it

🎙 Try again

Squat

100kg × 8

Dash

Log

Progress

History

Gym Card

Guided routines Updated

Mode labels clearly explain the difference between guided and free

Guided routines

MON

🎯 Guided

Push & High

7 exercises · targets, rest timer, progression

WED

🎯 Guided

Pull & Front

6 exercises · targets, rest timer, progression

🎤 Free session

No plan. Log whatever you're doing by voice. Great for flexible days.

＋ Start Free Session

Dash

Log

Progress

History

Gym Card

🎯 Guided sessions + progressive overload New

fi8 tells you which exercise is next, tracks your targets in real time, then suggests a weight increase after every session where you hit your goals.

Pre-session edit New

Tap any exercise to adjust Sets, Reps, or kg before you start

Push & High

Tap any exercise to adjust targets for today

Bench Press

4 sets · 8 reps · 80 kg

tap to adjust ›

✕

Squat

5 sets · 5 reps · 100 kg

✕

Sets

5

Reps

5

kg

100

OHP

4 sets · 8 reps · 50 kg

tap to adjust ›

✕

Start Session

Session summary New

Stats + progressive overload suggestion shown after every session

🎉

Session Complete!

Push & High · 52 min

4

Exercises

16

Sets

5.2t

Volume

Next session targets

Bench Press Try 82.5 kg ↑

Squat Try 102.5 kg ↑

Done

📈 Progress & history

Exercise PRs with sparkline trend & estimated 1RM, strength standards, body composition trends, plus a filterable history with per-exercise set drill-down.

Exercise PRs & strength levels Updated

Sparkline trend + estimated 1RM per lift, plus a fixed Strength Standards lookup

Progress

+ Add Scan

Exercise PRs

Squat

102.5 kg

Est. 1RM 128 kg

Bench Press

82.5 kg

▲ +2.5

Deadlift

120 kg

no change

Strength standards

Squat102.5 kgInter

Deadlift120 kgAdv

Bench82.5 kgBeg+

Dash

Log

Progress

History

Gym Card

History with filter & drill-down New

Search by exercise, filter by chip, expand any session for set-level detail

History

🔍 Search exercises…

Bench Press

Squat

Deadlift

3 sessions

Push & High · Jun 29

4 exercises · 16 sets

52 min▶

Bench Press

Set 180 kg × 10

Set 280 kg × 10

Set 382.5 kg × 8

Pull & Front · Jun 27

5 exercises · 18 sets

48 min▶

Dash

Log

Progress

History

Gym Card

👔 Built for coaches too

Coaches manage members, log sessions on their behalf, and add body scan data. Members see their coach's name and can remove access any time.

Coach view Updated

Distinct initials, real last-session dates, request button below the list

Select Trainee

Choose whose dashboard to view

🖥️

My Training (you)

Your own workouts

›

JA

James Anderson

Last session: Jun 29

›

AK

Ahmed Khan

No sessions yet

›

+ Request New Trainee

Coach in profile New

Members see their assigned coach, remove or change anytime

J

James Anderson

[email protected]

Coach Access

Your Coach

Samia Hussain

[email protected]

Remove

Change

Add Scan Updated

Short, clear button text, works with any body scan device, not just one brand

Add Scan

DATE

Jun 29, 2026

WEIGHT (KG)

84.2

BODY FAT %

18.3

MUSCLE (KG)

38.1

Save

Cancel

✨ AI-written progress notes New

A real sentence, written by Claude, after every session and body-scan import — tying the numbers together in plain English instead of just showing totals.

Session Summary New

Written fresh after every session, not a canned template

🎉

Session Complete!

52 min · Leg Day

4,120 kg

VOLUME

14

SETS

52 min

DURATION

✨ WRITTEN BY AI

Strong leg day — your squat working weight is up 8% over the last month and every set landed in your target rep range. Try +2.5 kg next time.

Body Scan Digest New

Segmental arm/leg/torso lean+fat breakdown, read against your history

Progress

Segmental breakdown

Arms

Legs

Torso

LeanFat

✨ WRITTEN BY AI

Since your last scan you've gained 0.4 kg of lean mass while dropping 1.1 kg of fat — a clean recomposition month. Visceral fat is back in the healthy range too.

🗂 Admin Console New

Admin now opens its own dedicated desktop console in a new tab — built for a gym owner at a laptop, not squeezed into a phone screen. Regular members never see it at all.

Gym Admin console New

Members, Coaches, Invites, Requests, and Bug Reports — real KPIs and charts scoped to your gym only

fi8.app/console.html

Active Members

42/ 47

Sessions This Week

118

Coach : Trainee

1 : 12

Churn Risk

3members

JA

James Anderson

Coach: Samia Hussain

AK

Ahmed Khan

No coach assigned

Cleaner nav, smarter access New

Top nav decluttered with a hamburger menu. Gym card moved to the bottom nav, one tap from anywhere. Display name set by members, seen by coaches.

Gym card tab New

One tap from anywhere, no digging through menus

Your Gym Card

Scan at reception

4829 1047 3821

James Anderson

Member since Jan 2026

Dash

Log

Progress

History

Gym Card

Display name New

Set your name once, coaches see it instantly, not your Gmail username

J

James Anderson

[email protected]

Display Name

James Anderson

Shown to your coach instead of your Google username

Save Name

Everything in fi8

A complete toolkit for members and coaches who take training seriously.

🎙

Voice Logging

Say "bench press 80 kg 10 reps" and the app logs it instantly. Supports kg, lbs, and duration.

⏱

Auto Rest Timer New

90-second countdown starts automatically after every logged set. Beep + vibration when time's up.

📈

Progressive Overload New

After a session where you hit all targets, fi8 suggests +2.5 kg for next time, shown in the post-session summary.

🎉

Session Summary New

Total volume, sets, duration, and progression tips shown after every session before returning to the dashboard.

✏️

Pre-session editing New

Tap any exercise before starting to adjust Sets, Reps, or kg for that session, without changing the routine permanently.

🔍

History drill-down New

Search by exercise name, filter by chip, and expand any session to see each individual set: weight and reps per set.

☰

Hamburger menu New

Top nav decluttered. Profile, Tour, Bug Report, and Admin actions live in a clean dropdown. Admin-only items are highlighted.

💳

Gym card in nav New

Gym card moved to the bottom nav as a dedicated tab, one tap from anywhere in the app, always visible.

👤

Member display name New

Set your name once in your profile. Coaches always see your chosen name, not your Google account username.

🗂

Admin Console New

Admin now opens its own dedicated desktop console in a new tab, with Members, Coaches, Invites, Requests, and Bug Reports tabs, plus real KPIs and charts scoped to your gym.

✨

AI-written progress notes New

A real sentence, written by Claude, after every session and body-scan import — tying the numbers together in plain English instead of just showing totals.

ⓘ

Jargon tooltips New

Tap the ⓘ next to Bio Age, BMR, or Visceral on the Dashboard for a one-line, plain-English explanation, no guessing at fitness jargon.

🏋️

Clearer trainee list New

Coaches see two-letter initials (no more mixing up trainees who share a first initial) and each trainee's actual last-session date, not a static label.

📊

Body Scan Tracking

Log weight, body fat %, lean mass, bio age, BMR, visceral fat after each scan, plus a segmental arm/leg/torso breakdown, from any body scan device.

🔁

Custom Routines

Build push/pull/legs routines and follow them with guided prompts, targets, and real-time rest timer.

🏆

Personal Records

Best weight×reps per exercise, with a sparkline trend and estimated 1RM, rated against strength standards (Beginner → Elite).

👔

Coach Dashboard

Coaches switch between members, log on their behalf, and add scan data. Members can revoke access any time.

📱

PWA · Any Device

Fully responsive progressive web app. Works on phone, tablet, or desktop. Install from the browser, no app store.

🔒

Invite-Only Access

New trainee and coach accounts join via admin-generated invite links (7-day expiry) — not open signup.