Symptom Tracker vs Baseline
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Symptom Tracker
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Flare Diary is a gentle, flexible daily tracker for living with chronic illness. Whether you manage pain, fatigue, autoimmune flares, migraines, eczema, asthma or any long-term condition, it helps you keep an honest record of how you feel, in your own words. This is a personal log to help you notice patterns and prepare for appointments. It is for informational purposes only. It is not medical advice, a diagnosis, or a measuring device. Always consult a qualified healthcare professional. LOG YOUR DAY, YOUR WAY - Add your own symptoms and rate each from 0 (none) to 10 (extreme) - Mark where it hurts on a simple body map - Note your mood, the weather, triggers and medications - Add a free-text note for anything else TRACK MIGRAINES IN THE SAME DIARY - Turn on "Migraine attack" in any entry to log intensity, duration and pain side - Tick the features that matter: aura, nausea, light and sound sensitivity, throbbing, dizziness - Note whether you took an acute medication, so medication days are counted for you - Migraine attacks show on your timeline, in Insights and in the doctor report SEE YOUR PATTERNS - A color-coded flare timeline shows good days and hard days at a glance - Insights highlight which triggers tend to appear before a flare - Follow the average severity of each symptom over time READY FOR YOUR NEXT APPOINTMENT - Export a clean, one-tap doctor-visit report as a PDF - Or export all of your data as a CSV spreadsheet PRIVATE BY DESIGN - Everything stays on your device - No account, no sign-up, no tracking, no ads - Your health data is yours alone, and we never sell it Daily symptom logging is free, and your full history is always free, never locked behind a paywall. Premium unlocks the body map, trigger insights, PDF and CSV export, and daily check-in reminders. Premium is available as a weekly plan with a 3-day free trial, an annual plan, or a one-time lifetime purchase. This app offers a weekly subscription with a 3-day free trial, and an annual subscription. A one-time lifetime purchase is also available. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Manage or cancel subscriptions in your Apple ID Account Settings. Restore purchases from the app settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.appharbour.com/flarediary/privacy.html
Baseline
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When pain changes from day to day, it can be hard to remember what happened by the time you see a doctor. Baseline helps you keep a simple record and bring a clear summary to the appointment. LOG WHAT YOU FEEL Start with a pain score from 0 to 10. Add body areas, what the pain felt like, a note, or an activity it made difficult when those details matter. You can also log a score on Apple Watch; it transfers to the paired iPhone when the devices connect. NOTICE PATTERNS IN YOUR OWN RECORD See how your scores changed over time, when you logged higher pain, and how often pain affected everyday activities. Insights show how much data each figure uses. Medication views show the doses you recorded and pain scores logged around them; they cannot tell you whether a medicine caused a change. BRING A READABLE REPORT Make a one-page PDF for a selected period, with a chart, a summary of what you entered, medication records, and questions you want to ask. Long details may be shortened to fit. Share or print the PDF from your device. REMINDERS WHEN YOU WANT THEM Set an optional daily prompt to log and reminders for medicines you add. Both start off. You can also mark a scheduled dose as taken from its reminder. PRIVATE BY DESIGN Your health record stays on your device. Apple Watch entries transfer to its paired iPhone; iPhone and iPad records do not sync. No account is needed, and we do not receive your entries. An optional app lock uses Face ID, Touch ID or your passcode. A PDF is a readable copy, but Baseline cannot import it or restore your record from it. Save one before changing devices or deleting the app if you want a copy to read later. FREE TO START; PLUS FOR LONGER VIEWS Logging, reminders, Apple Watch, the app lock, PDF reports for one month, and insights for the last 30 days are free. Baseline Plus adds 90-day and year insights, and reports covering 3, 6 or 12 months. Choose a monthly or yearly subscription. If Plus ends, your entries remain on that device; the longer views require Plus again. Subscriptions renew automatically unless cancelled at least 24 hours before the current period ends. Payment is charged to your Apple Account when you confirm a purchase; renewals are charged within the 24 hours before the period ends. Manage or cancel a plan in your Apple Account settings. Baseline describes what you enter. It does not diagnose a condition or recommend a treatment or medication change. Talk with a qualified clinician before making medical decisions. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is device support: Baseline at 3 against Symptom Tracker's 1. On price, ads, in-app purchases and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Symptom Tracker sells 3 in-app purchases, starting at $3.99 per 7 days and Baseline sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Symptom Tracker | Baseline |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks | โ |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad, Apple Watch โ better |
| Requires iOS | 17.0 โ better | 18.0 |
| Further details โ not scored | ||
| Size | 1 MB | 5 MB |
| Age rating | 4+ | 12+ |
| Developer | App Harbour ApS | David Mendez |
In-app purchases
Symptom Tracker
- Weekly Premium3 Days trial$3.997 Days
- Annual Premium$19.991 Year
- Lifetime Unlock$24.99
Baseline
- Baseline Plus Monthly$4.991 Month
- Baseline Plus Yearly$24.991 Year





