The 4 Best Symptom Tracker Apps for Chronic Illness and Cancer (2026)

The best symptom tracker apps for chronic illness are Wave Health, Bearable, Guava Health, and CareClinic. Wave Health suits cancer and chronic illness patients who want free daily tracking with automatic insights. Bearable suits people who want to customise every metric. Guava Health pulls in medical records. CareClinic handles complex medication schedules and family caregiving.

The best symptom tracker apps for chronic illness, compared

App	Best for	Free plan	Paid plan	Standout feature	Main limitation
Wave Health	Cancer and chronic illness patients during active treatment	Full tracking, insights, calendar sharing, data export	Wave+ weekly reports, 3-week free trial, monthly or annual billing	Personal insights linking activities to how you feel, plus a Cedars-Sinai #1 rating for oncology patient-reported outcomes	No patient portal or medical record sync
Bearable	People who want to build their own tracking system	Unlimited custom symptoms, moods, factors, meds, 30 days of history	$6.99 per month or $34.99 per year, often discounted to $18.99 per year	Correlation reports across any two things you track	Daily logging load is heavy, and history past 30 days is paid
Guava Health	Anyone chasing a diagnosis across multiple specialists	Patient portal sync, device sync, symptom and medication tracking	$8 per month or $78 per year	Automatic import of records from US patient portals, plus DICOM and CCDA uploads	Portal connections are mainly US only
CareClinic	Caregivers and people on multi-drug treatment plans	Core logging and reminders	Paid tier for advanced analytics and unlimited care team members	Multiple family profiles under one account	Several 2026 reviewers report bugs and paywall prompts on basic actions

1. Wave Health: the strongest free option for cancer and chronic illness

Wave Health is a free symptom tracker app built for people going through cancer treatment or living with a long-term condition. It is made by Treatment Technologies & Insights, Inc. (TTI), a digital health company that also builds clinician portals and research databases. A systematic review from the Department of Radiation Oncology at Cedars-Sinai Medical Center assessed more than 1,100 health apps and rated Wave the highest quality app for tracking patient-reported outcomes in oncology.

What Wave Health tracks

Wave Health tracks nine categories of daily health data. You rate your overall condition on a 0 to 100 scale, log mood, and add or remove symptoms with a severity rating each day. Alongside that you record medications with reminders, daily activities such as meals, exercise and mindfulness, vitals including heart rate, blood glucose and weight, treatment appointments, and free-text journal entries.

The app supports more than 200 conditions and is available in 8 languages. Users track everything from breast, lung and ovarian cancer to fibromyalgia, Crohn’s disease, chronic fatigue syndrome, migraine, rheumatoid arthritis and Ehlers-Danlos syndrome.

How the insights work

Wave Health looks for correlations between what you do and how you feel, then shows them as personal insights. The app needs both halves of the picture: how you are feeling (condition, mood, symptoms) and what you are doing (sleep, steps, medications). TTI advises logging consistently for 5 to 7 days before insights appear.

Wave also syncs automatically with Apple Health and Health Connect. Blood glucose, blood pressure, heart rate, menstrual cycle, mindfulness, physical activity, sleep, steps, temperature, water and weight all pull in without manual entry, hourly for continuously collected data.

What Wave+ adds

Wave+ delivers a weekly PDF report every Sunday covering the previous 7 days, with trends and insights drawn from the past 3 weeks. You can download, print or send the report before an appointment. New accounts get 3 weeks of Wave+ free. After that you choose monthly or annual billing.

[CONFIRM: current Wave+ monthly and annual price. It is not published on wavehealth.app.]

Where Wave Health falls short

Wave Health does not connect to hospital patient portals, so lab results and clinical notes stay outside the app. If your main problem is that your records are scattered across four health systems, Guava Health solves that and Wave does not. Weekly reports also sit behind Wave+, so the free tier gives you calendar sharing and a full data export rather than a formatted summary.

Who Wave Health is not for

Wave Health is not the right pick for someone who only wants to track one thing, such as period cycles or step count. It is built for people managing a condition alongside a treatment plan. It is also not a diagnostic tool and does not give medical advice.

2. Bearable: the most customizable symptom tracker

Bearable is a symptom and mood tracker built around custom metrics, used by more than 900,000 people. It was founded in the UK by someone with chronic migraine, and it is the app most often recommended for people who want to track something no template covers.

The free tier is unusually generous. You get unlimited custom symptoms, unlimited factors, unlimited mood, energy and sleep tracking, unlimited medication logging and reminders, weekly reports, and a customisable graph for spotting correlations. Bearable Premium costs $6.99 per month or $34.99 per year and is frequently discounted to $18.99 per year, with a 7-day trial. Premium adds full correlation reports, custom Experiments, unlimited Goals, and access to history older than 30 days.

Bearable is a British company, does not sell user data, and runs no in-app ads. It also runs Bearable Heroes, a sponsorship programme that funds Premium for people who cannot afford it.

Where Bearable falls short. The most common complaint from reviewers in 2026 is logging fatigue. Getting value out of Bearable takes two or three check-ins a day, which is a real cost for someone dealing with pain or brain fog. The 30-day history limit on the free tier is the second recurring complaint, since a chronic condition rarely shows its pattern inside a month.

3. Guava Health: the best app for scattered medical records

Guava Health is a symptom tracker attached to a personal health record. Its main job is pulling your existing medical records into one place. That matters when a rheumatologist, a gastroenterologist and a primary care doctor are all treating you and none of them can see the others’ notes.

Guava connects to US patient portals including Allscripts and FollowMyHealth, MEDHOST YourCareEverywhere, CareEvolution, ModMed, Elation Health, Hint Health, Cerbo, and Anthem for insurance coverage records. Once connected, records sync continuously. You can also upload CCDA files, PDFs, photos, and medical imaging in DICOM format, and Guava extracts and organises the data.

On the tracking side, Guava offers a body heat map for logging pain and symptoms, shows which symptoms commonly occur together, and syncs sleep trackers and glucose monitors. Medication tracking covers reminders, pill supply and refill alerts. The Emergency Card flags conditions, allergies and medications to first responders.

Guava is HIPAA compliant, carries no ads, and is available on web, iOS and Android in more than 20 languages. The free plan covers portal sync, device sync and tracking at $0. Premium costs $8 per month or $78 per year and adds automatic insights, the Emergency Card, unlimited profile managers, and automatic lab result extraction from uploaded documents.

Where Guava Health falls short. Portal connections are mainly US based, which limits the core feature outside the United States. Reviewers are also split on the automatic correlations, with some finding them less useful than the record syncing.

4. CareClinic: the best app for caregivers and complex medication plans

CareClinic is a care plan app rather than a pure symptom diary. You build a plan covering medications, supplements, symptoms, nutrition, physical activity and therapy sessions, then check in against it. Careclinic Software Inc. states the app supports more than 3,500 conditions and adjusts which trackers you see based on your profile.

The feature that sets CareClinic apart is multi-profile support. One account can manage medications, symptoms and appointments for children, elderly parents, or anyone else you care for. Caregivers can also monitor from a distance, and you can give a care team read-only access to your records. The app generates PDF reports with charts that you can email or print.

CareClinic offers a free version with core logging. The paid tier adds advanced analytics, unlimited care team members, and additional integrations.

[CONFIRM: current CareClinic subscription price. The careclinic.io features page does not publish a figure.]

Where CareClinic falls short. Reviews on Google Play from January and June 2026 report two recurring problems: premium features loading inconsistently after payment, and prompts to subscribe when performing basic actions such as editing entries or sorting the calendar. Wearable syncing is also described as partial by some users.

How do you choose a symptom tracker app?

Choose based on the single problem you most need solved, not the longest feature list. Four questions narrow it fast:

1. Are you in active treatment? Wave Health is built around treatment journeys and clinician-facing reports.
2. Are your records scattered across health systems? Guava Health is the only one of the four that syncs patient portals.
3. Are you tracking for someone else? CareClinic supports multiple profiles under one login.
4. Do you want to track something unusual? Bearable lets you invent the metric.

The app you will still be opening in week six beats the app with more features. Consistency is what produces a usable pattern, and all four apps depend on it.

What does symptom tracking actually change at an appointment?

Symptom tracking replaces recall with a record. Instead of answering “how have you been feeling?” from memory during a 12-minute appointment, you show a chart of the last six weeks. Wave Health, Bearable, Guava Health and CareClinic all export or share data in a format a clinician can read.

There is clinical weight behind this. Electronic patient-reported outcomes, or ePROs, are structured symptom reports collected from patients between visits. Published results on Wave Health report 93% patient compliance in collecting ePROs, and 98% of healthcare professionals finding the platform useful, with 90% reporting a positive effect on communication with patients.

Frequently asked questions

Is there a genuinely free symptom tracker app?

Yes. Wave Health is free to download and use, with Wave+ weekly reports as the paid add-on. Bearable, Guava Health and CareClinic all run free tiers with paid upgrades. Bearable’s free tier is the most complete of the three, though it caps history at 30 days.

Which symptom tracker app is best for cancer patients?

Wave Health is the strongest option for cancer patients. A Cedars-Sinai Medical Center systematic review of more than 1,100 health apps rated it the highest quality app for tracking patient-reported outcomes in oncology. It began as chemoWave in 2017, an app built specifically for people in cancer treatment.

Can I share symptom tracker data with my doctor?

Yes, in all four apps. Wave Health shares a calendar view by email or message, exports full logs, and produces Wave+ PDF reports. Bearable exports data. Guava Health shares records with doctors or family. CareClinic generates PDF reports and can give a care team read-only access.

Do symptom tracker apps sell your health data?

Bearable, Guava Health and Wave Health all state that they do not sell user data. Guava Health is HIPAA compliant. Wave Health is GDPR compliant and carries UKCA marking. Bearable operates under UK and EU data protection law and shows no in-app ads. Read the privacy policy of any app before you start logging, since policies change.

How long until a symptom tracker shows a useful pattern?

Around one to two weeks of consistent logging. Wave Health advises tracking both how you feel and what you do for 5 to 7 days before personal insights appear. Correlations across a full flare cycle usually need longer, which is where free tiers that cap history at 30 days become a limitation.