Relief Central vs Symptoms Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Relief Central
Access critical disaster relief information, including country data, international travel health advisories, and field operations guides. Stay updated with the latest news from reputable organizations and find relevant research through journal citations.
- World Factbook data
- CDC Yellow Book travel health
- USAID Field Operations Guide
- Disaster relief news feeds
- Prime PubMed Search
- Cross-linking and navigation
- Note-taking and highlighting
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Relief Central is a free mobile and web resource developed by staff and friends of Unbound Medicine. It includes the latest versions of The World Factbook from the CIA, CDC Health Information for International Travel (The Yellow Book), the Field Operations Guide from USAID, Prime PubMed Search, and Relief News from the Red Cross, United Nations, US Centers for Disease Control, CDC, FEMA, and more. THE WORLD FACTBOOK The World Factbook from the US Central Intelligence Agency (CIA) contains detailed information on the history, people, government, economy, geography, communications, transportation, military, and transnational issues for 266 world countries and territories. CDC YELLOW BOOK (Health Information for International Travel) The Yellow Book presents advice on any travel health issue including vaccinations, essential trip planning and safety tips, prevention of an expanded list of travel-related infectious diseases, altitude illness, motion sickness, sunburn, medical tourism, and much more. USAID FIELD OPERATIONS GUIDE The Field Operations Guide from USAID delivers disaster assessment and response information and includes chapters and appendices ranging from information on populations at risk to commonly used acronyms, all arranged in an outline format. RELIEF NEWS Relief News puts the latest news at your fingertips with a collection of RSS feeds from trusted non-profit groups, international organizations, and government agencies. Feeds are from the Red Cross, United Nations, US Centers for Disease Control and Prevention (CDC), US Federal Emergency Management Agency (FEMA), ReliefWeb, and more. Prime PubMed Search Prime provides citations and abstracts from the latest issues of trusted disaster relief journals. Link to the fully-integrated Prime service where you can find related articles and view full-text articles provided by the journal publisher. FEATURES: • Cross Links for fast navigation between resources • Personalized favorites • Highlight and note-taking • Citations and abstracts from disaster journals • Advanced Search helps to find topics fast • Recently Viewed Unbound Privacy Policy: www.unboundmedicine.com/privacy Unbound Terms of Use: https://www.unboundmedicine.com/end_user_license_agreement
Symptoms Tracker
Easily track health symptoms and mood changes with a single tap. Gain insights over time and share them with healthcare providers. Includes embedded video tutorials and syncs across all your Apple devices.
- Single-tap symptom tracking
- Unlimited symptom and event management
- Siri integration for event recording
- Historical event graphing
- Embedded video tutorials
- Cross-device synchronization
- Data sharing with healthcare providers
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Take control of your health with Symptom Tracker, designed with simplification in mind. As soon as you start feeling a symptom or a mood change, use Symptom Tracker to track your symptom event with a single tap on your Apple mobile device (e.g., iPhone, iPad, or Apple Watch). As you enter symptoms over days, weeks, months, and years, you gain insights and can share them with your healthcare providers. Symptom Tracker is designed with the user in mind. You can watch video tutorials that explain how to use Symptom Tracker without having to leave the app. Symptom events recorded on one Apple mobile device will sync and appear on all Apple mobile devices. Features ► All features are available for a one-time fee. NO In-App purchases or subscriptions. ► Captures important health and mood information that can be shared with your healthcare provider ► Add, edit, and remove an unlimited number of symptoms ► Add, remove, print, and email an unlimited number of symptom events ► Symptom events can be either recorded as they occur or be entered later ► Symptom events can be recorded with Siri in iOS 16 ► Recorded symptom event information includes the event date, time, duration, and notes providing for easy analysis and identification of any patterns ► Historical event graph reporting including day, event, and duration metrics ► User-friendly video tutorials embedded for easy instructions on using the app ► Event sharing with your doctor or therapist at your next appointment ► Track events using all Apple mobile devices, including Apple Watch, iPhone, and iPad ► Symptoms and events are synchronized on all Apple mobile devices Benefits • To protect the privacy of your symptom information, symptom data is stored only on your Apple device(s) and not on third party cloud servers. Symptom information is never shared unless you decide to share it • Ability to provide insight and an overall understanding of your daily experience to your healthcare providers Symptom Tracker is designed to save symptoms on the Apple mobile device in which the app is installed and to synchronize the recorded information on devices signed into the owner's Apple iCloud account. Terms of Use bdpcorp.com/license-agreement.shtml
Screenshots
Verdict
The clearest difference is price: Relief Central at Free against Symptoms Tracker's $5.99. Relief Central also leads on rating (4.6 vs 2.3) and review sentiment (66% vs 33%). Symptoms Tracker's advantage is update cadence (every 2 months vs every 5 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Relief Central is free to download; Symptoms Tracker costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Relief Central holds the better App Store score, 4.6 against 2.3. That said, the two scores are not equally well evidenced: Relief Central has 924 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 66% of Relief Central's written reviews are positive against 33% of Symptoms Tracker's.
Relief Central ships an update every 5 months, Symptoms Tracker every 2 months. The most recent releases landed on September 8, 2026 and September 10, 2026 respectively.
| Parameter | Relief Central | Symptoms Tracker |
|---|---|---|
| Price | Free — better | $5.99 |
| Rating | 4.6 (924 ratings) — better | 2.3 (3 ratings) |
| Positive reviews | 66.0% of reviews — better | 33.3% of reviews |
| Number of ratings | 924 — better | 3 |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 9 MB | 149 MB |
| Age rating | 12+ | 4+ |
| Developer | Unbound Medicine, Inc. | BDP Corporation |
Customer experience
Relief Central
Symptoms Tracker
Bugs and requests
Relief Central
Reported bugs
1 issue- The app crashes when trying to open ReliefWeb articles (or any links under it).
Requested features
1 request- Please update. The app fails to include psychologists as a profession, but has mental health counselors and psychiatrists.
Symptoms Tracker
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Relief Central
No in-app purchases
Symptoms Tracker
No in-app purchases
Questions
Is Relief Central free?
Is Symptoms Tracker free?
Which has better reviews, Relief Central or Symptoms Tracker?
Do Relief Central or Symptoms Tracker have ads?
Which is updated more often, Relief Central or Symptoms Tracker?
Other comparisons
