Simple, honest pricing
Start free. Upgrade when tracking becomes a daily habit and you want deeper insights.
Free
£0
forever
- Photo diary, up to 10 logs per week
- Symptom scoring (itch, redness, sleep)
- Trigger log with 10 preset categories
- Weekly summary view
- Trigger correlation insights
- Unlimited photo storage
- PDF export for appointments
- AI pattern analysis and flare insights
Most popular
Premium
£7.99
per month
30-day free trial included
- Everything in Free
- Unlimited photo diary entries
- Unlimited photo storage
- Trigger correlation insights
- PDF export for appointments
- AI pattern analysis and flare insights
- Emollient and treatment log
- Priority email support
Compare plans
What is included in each plan
| Feature | Free | Premium |
|---|---|---|
| Photo diary logs | Up to 10 per week | Unlimited |
| Symptom diary entries | ||
| Symptom scoring | ||
| Trigger log (preset categories) | ||
| AI pattern analysis and flare insights | ||
| Weekly summary view | ||
| Trigger correlation insights | ||
| Emollient and treatment log | ||
| PDF export for appointments | ||
| Email support | Standard | Priority |
Questions
Frequently asked questions
-
No. The free plan requires only an email address and password. No card details, no trial period that automatically converts. You can use the free plan indefinitely.
-
Your account and all your data remain intact. You move back to the free plan limits: photo logs are capped at 10 per week and advanced features including AI pattern analysis and PDF export are disabled until you re-subscribe.
-
Yes. You can switch at any point from your account settings. If you switch from monthly to annual mid-cycle, you receive a prorated credit for any unused days on your current monthly bill.
-
No. Cosi Care is a personal tracking tool for self-observation. It is not a medical device, does not provide diagnoses, and does not give medical advice. It is designed to help you build a structured personal record that can support conversations with your healthcare team. Always consult a qualified healthcare professional regarding your skin conditions.
-
Yes. After the 30-day trial, billing starts automatically at your chosen billing period. We send a reminder email seven days before the trial ends so you can cancel if you decide Premium is not right for you.
-
No. Your photos and diary entries are private to you. We do not share personal health data with advertisers, pharmaceutical companies, or any third party. Our full data practices are described in the Privacy Policy.
Start tracking for free today
No card needed for the free plan. See your patterns in as little as two weeks.