🌿 Medical Cannabis · Patient-Built

The only UK medical cannabis tracker with AI-powered clinical reports

Log. Track. Understand. Share with your prescriber. 10 condition-specific trackers built for UK medical cannabis patients.

🤖 Powered by Claude AI
💚 Try Free Beta → See how it works
Built by a UK medical cannabis patient Data stays on your device Free to use · No account required
9:41 ●●● 📶 🔋
🏠 🌿 😴 🩹 🩸 💭 🟣
Welcome back 💚
Your cannabis wellness tracker
😴 Avg Sleep
7.1
🩹 Avg Pain
5.2
💚 Sleep 3.2 pts better on cannabis nights
🌿
Northern Lights
Flower · 0.5g · THC 18%
relaxed pain-relief sleepy
9/10
🌿
ACDC
Capsules · 25mg · CBD 20%
10/10
⭐⭐⭐⭐⭐
Early beta testers rating
10 Dedicated Trackers

Built around your condition

Every tracker is condition-specific. Migraine patients get aura logging. Diabetes patients get live in-range indicators. Fibromyalgia patients get WPI clinical body mapping.

Know which strains actually work

Log every session — strain, THC/CBD %, form, dosage and effects. Over time you build a clear picture of what works for your condition.

  • Strain picker with custom strain support
  • Effects tracking (relaxed, pain-relief, sleepy…)
  • Effectiveness rating 1–10
  • All form types: flower, oil, capsules, vape, edibles
  • 🌿 Terpene profile logging — AI correlates with symptom outcomes
Top Strains
N. Lights
9.0
ACDC
10
Harlequin
9.0
Blue Dream
8.0
💚 Cannabis used in 87% of pain episodes

Track exactly what you're taking

Log every dose — product, form, amount, time of day and how it made you feel. Over time you'll see which dosing patterns produce the best outcomes for your condition.

  • Amount in mg, ml or grams per session
  • Time of day tracking — morning, afternoon, evening, night
  • All form types: flower, oil, capsules, vape, edibles, topical
  • Effectiveness score 1–10 per dose
  • Correlates dose size with symptom outcomes across trackers
Dose Overview · Last 30 Days
24
Total Sessions
8.5
Avg Effectiveness
Evening
12×
Morning
Afternoon
📊 Evening doses rated 1.4 pts higher on average

See exactly how cannabis affects your sleep

Log quality and duration each morning. After two weeks you'll see a clear comparison of cannabis vs non-cannabis nights.

  • Quality score 1–10 per night
  • Duration tracking in hours
  • Cannabis used toggle + strain
  • Automatic with/without comparison
14-Day Sleep Quality
8.2
With Cannabis
5.0
Without
💚 Sleep 3.2 pts better on cannabis nights

Understand your pain patterns

Log pain levels, locations and triggers in real time. The app surfaces your most common triggers and shows what percentage of episodes were relieved by cannabis.

  • Pain level 1–10 with body location
  • Trigger tracking and frequency analysis
  • Relief method logging
  • Cannabis relief rate across all episodes
5.2
Avg Pain
87%
Cannabis Relief
Top Triggers
Poor sleep
Sitting
Stress

The detail your neurologist needs

Log severity, aura type, triggers and whether cannabis helped. The level of detail a neurologist actually wants to see at your appointment.

  • Severity 1–10 + duration
  • Aura toggle with type selection
  • 10 trigger chips to select
  • "Did cannabis help?" outcome tracking
Top Triggers
Light
Stress
Hormones
🧠 Cannabis helped in 75% of episodes

Live in-range feedback as you log

Enter a glucose reading and the app instantly shows whether you're in target range. Tracks the relationship between cannabis use and your glucose levels over time.

  • mmol/L or mg/dL support
  • Live ✅/⚠️ in-range indicator
  • 8 reading types (fasting, post-meal…)
  • Insulin type and dose logging
5.4
mmol/L · Fasting ✅
78%
In Range
5.2
With Cannabis
6.8
Without
💚 Glucose lower on cannabis days

Map your mental wellness honestly Updated

Track anxiety, depression and motivation alongside triggers and symptoms — all three key clinical metrics. See the measurable impact cannabis has on your mental health over time.

  • Anxiety + depression + motivation sliders
  • Mood and energy tracking
  • 12 trigger chips including flashback/dissociation
  • Symptom tracking (racing thoughts, hypervigilance…)
  • Cannabis correlation analysis across all metrics
Mental Health Overview
Anxiety
4.2
Depression
3.4
Motivation
7.4
💭 Anxiety 3.7 pts lower on cannabis days

Log every episode in full clinical detail

Track seizure type, duration, severity, warning signs and post-ictal effects. Log triggers and rescue medication use. See patterns your neurologist needs to know.

  • 6 seizure types including tonic-clonic, absence and focal
  • Aura warning signs + post-ictal symptom logging
  • Rescue medication tracker (Midazolam etc.)
  • Cannabis correlation across all episodes
5
This Month
9d
Since Last
4.0
With Cannabis
8.0
Without
🔴 Severity avg 4.0 lower on cannabis days

Understand your gut, episode by episode

Log symptoms, Bristol Stool Chart type, pain location, food triggers and flare-up status. See exactly how cannabis affects your gut health over time.

  • 12 symptom chips including urgency and bloating
  • Full Bristol Stool Chart (types 1–7)
  • Food trigger tracking — dairy, gluten, caffeine and more
  • Flare-up flag + stress level correlation
3.2
Avg Severity
2
Flare-ups
3.2
With Cannabis
6.8
Without
🫁 Severity 3.6 pts lower on cannabis days

Fibromyalgia Tracker New

Built around the validated clinical outcome measures used in the UK Medical Cannabis Registry — the same WPI body mapping and SSS scoring used at fibromyalgia clinics across the UK.

  • WPI (Widespread Pain Index) — interactive body map, 19 pain locations
  • SSS (Symptom Severity Scale) — fatigue, waking unrefreshed, cognitive impairment
  • Fibro fog scoring — concentration and memory
  • Mirrors UK Medical Cannabis Registry outcome measures
  • Cannabis correlation across WPI + SSS scores over time
Fibromyalgia Overview
8
WPI Score
7
SSS Score
Fatigue
6.5
Fibro Fog
4.8
Pain Sites
8
🟣 WPI reduced 3 points on cannabis days

A report your prescriber can actually use

One tap generates a clean, print-ready PDF summarising 30 days of data — with AI-generated clinical and personal summaries powered by Claude AI.

  • 30-day summary across all trackers
  • 🤖 AI-generated clinical insights (Claude AI)
  • 🏥 Clinical section — written for your prescriber
  • 💚 Personal section — plain English for you
  • Print or save as PDF from any browser
  • Includes daily journal notes
🤖 AI Insights Report · June 2026
Sessions
24
Effectiveness
8.5/10
Top Strain
ACDC (8×)
🏥 Sleep quality averaged 8.2/10 on cannabis nights — 3.2 points above baseline across the full observation period.
🏥 Pain scores 31% lower on cannabis days. Strongest effect observed with evening dosing of indica-dominant strains.
💚 On nights you used cannabis, you slept significantly better. This is consistent across the full month — not occasional.
💚 Your anxiety score was almost half what it is on non-cannabis days.
Condition-Specific

Designed for your diagnosis

The setup wizard personalises Cannatrak to your conditions. Only the trackers relevant to you are enabled — no clutter, no irrelevant features.

🩹
Chronic Pain
Track pain levels, triggers and locations. See cannabis relief rates and what's working.
😴
Sleep Disorders
Compare sleep quality on cannabis vs non-cannabis nights with automatic analysis.
🧠
Migraines
Log severity, aura type, triggers and outcomes. Data your neurologist actually wants.
🩸
Diabetes
Live in-range glucose feedback. Track the relationship between cannabis and your readings.
💭
Anxiety / PTSD / Depression
Map anxiety, depression and motivation over time. See measurable cannabis impact on mental wellness.
🔴
Epilepsy
Log every seizure episode — type, duration, triggers, rescue meds and cannabis correlation.
🫁
IBS / Crohn's
Track symptoms, Bristol Stool Chart, food triggers and flare-ups alongside cannabis use.
🟣
Fibromyalgia New
WPI + SSS clinical scoring. Mirrors the UK Medical Cannabis Registry outcome measures for fibromyalgia patients.
⚕️
Other Conditions
MS, cancer/chemo and more — Cannabis and Dose logging works for every condition.
All Trackers

Built different

Not a generic health app with a cannabis sticker on it. Built from scratch, for medical patients.

🔒
Your data, your device
All data is stored locally on your phone. We never see it, never store it, never sell it. Cannabis consumption data stays private.
🎯
Condition-specific setup
A 3-step wizard configures the app to your conditions. Only relevant trackers are shown — no clutter, no irrelevant features.
📋
Clinic-ready reports
Generate a print-ready PDF with 30-day summaries, Claude AI clinical insights and journal notes. Hand it to your prescriber at your next appointment.
🌿
Prescribed products only
Built for medical cannabis patients, not recreational users. Every form factor is here — flower, oil, capsules, vape, edibles, topical.
💚
Patient-built
Built by a UK medical cannabis patient who got frustrated with generic apps. No investor agenda, no advertising, no wellness fluff.
📱
Works offline
Open it instantly in your browser. Add to your home screen for a native app feel. Works completely offline after the first visit.
What's New

Powerful new features

Cannatrak keeps getting better. Here's what's been added recently — and what's coming.

🤖

AI Insights Report AI · Pro

Claude AI generates a 30-day clinical summary. Two sections: 🏥 Clinical (for your prescriber) and 💚 Personal (plain English for you).

📄

PDF Clinical Import AI

Drop a prescription or clinic letter — AI reads it and extracts your strain, dose and product data automatically.

📥

CSV Import Free

Import your existing spreadsheet data across all 10 trackers. No Pro subscription required.

🟣

Fibromyalgia Tracker New

WPI body mapping and SSS symptom scoring, built around UK Medical Cannabis Registry clinical outcome measures.

💭

Mental Health Tracker Updated

Now tracks anxiety, depression and motivation — all three key clinical metrics. Renamed from Anxiety tracker.

🌿

Terpene Profiles

Log terpenes per strain. Claude AI correlates terpene profiles with your symptom outcomes to surface what's working.

🔴

Seizure Tracker

Clinical-grade episode logging: seizure type, duration, triggers, rescue medication and cannabis correlation — built for neurology appointments.

🫁

IBS / Crohn's Tracker

Full Bristol Stool Chart, flare tracking, 12 symptom chips and food trigger logging — built for gastroenterology.

📱

Android App Coming Soon

A native Android app is in development. For now, install the PWA from Chrome — it installs like a native app.

Pro Feature · Powered by Claude AI

A report your prescriber can actually use

One tap generates a 30-day clinical summary in two sections — one written for your prescriber, one in plain English for you — both powered by Claude AI.

🏥 Clinical Section

Clinical language your prescriber can read and act on. Cannabis use patterns, effectiveness scores, condition-specific trends. The data they need to make prescribing decisions at your appointment.

💚 Personal Section

The same insights in plain English — for you. Understand what your data actually means, what's working, and what to bring up with your prescriber at your next appointment.

AI Insights Report Preview · June 2026
Total Sessions
24
Avg Effectiveness
8.5/10
Most Used
ACDC (8×)
🏥 Sleep quality averaged 8.2/10 on nights cannabis was used — 3.2 points above baseline. Consistent across all 30 days of the observation period.
🏥 Pain scores were 31% lower on cannabis days. Most significant effect observed with evening dosing of indica-dominant strains.
💚 On nights you used cannabis, you slept significantly better. This has been consistent throughout the whole month — not just occasionally.
💚 Your anxiety score was nearly half what it is on non-cannabis days. Your data shows this most clearly after your evening dose.
🤖 Try AI Report — Pro feature →
Simple Pricing

Free to track. Pro to report.

All 10 trackers are completely free. Pro unlocks Claude AI clinical reports, PDF generation and full analytics.

Free Forever
£0
No account required
All the tracking tools you need. Your data stays on your device.
  • All 10 trackers (full logging)
  • CSV import
  • This Week dashboard
  • Live Insights
  • No account required
Try Free Beta →
⭐ Best Value
Pro — Annual
£14.99
/year · billed annually
Save 58% vs monthly · Equivalent to £1.25/month
  • Everything in Monthly Pro
  • Save 58% vs monthly
  • Equivalent to £1.25/month
  • Billed annually
Get Annual — Best Value →
♾️ Lifetime
Pro — Lifetime
£39.99
one-time payment
Pay once, use forever. No renewals, no surprises.
  • Everything in Pro
  • Never pay again
  • All future updates included
  • Priority support
Get Lifetime Access →
🚀 Beta — Free to Use

Start tracking your wellness today

Try the Beta free. No account, no sign-up — just open it in your browser and start tracking. Works on any phone.

💚 Open Cannatrak App →
No account needed
Works on Android & iOS
Data stays on your device