Zebra Symptom Tracker vs Hush
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zebra Symptom Tracker
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Tired of jumping between 3 apps to track one body? Zebra is a calm symptom tracker for people managing POTS, EDS, and Fibromyalgia. Track flares, symptoms, medications, salt, water, triggers, notes, and orthostatic vitals in one iPhone app, then turn your recent history into a doctor-ready PDF. Built for invisible illness, brain fog, and the appointment scramble. TRACK WHAT MATTERS Zebra helps you capture the pieces that are hardest to remember later: Daily flare severity and notes POTS, EDS, and Fibromyalgia symptom check-ins Salt and water tracking Medication entries Trigger notes Orthostatic vitals: lying, standing, and recovery heart rate and blood pressure Trends across your recent history GUIDED ORTHOSTATIC TESTS Use Zebra's step-by-step orthostatic flow to track heart rate and blood pressure while lying, standing, and during recovery. Enter readings manually or, when available, use HealthKit support for heart-rate capture. PROOF FOR YOUR DOCTOR When an appointment is coming up, Zebra can export a 30-day doctor report PDF with your flares, symptoms, medications, salt, water, triggers, notes, and orthostatic summaries. No more digging through Notes, screenshots, and memory the night before a visit. MADE FOR BAD DAYS Zebra is designed to be fast, gentle, and low-friction. Use curated symptom lists instead of building a tracker from scratch. Track what happened, leave optional details for later, and skip the guilt. Missing days do not erase your history. PRIVATE BY DESIGN Your health history is sensitive. Zebra is built as a native iPhone app using Apple's health and data frameworks. You stay in control of what you track and what you choose to share. FREE TO TRACK. PREMIUM FOR DEEPER HISTORY. Start with core tracking for flares, symptoms, medications, salt, water, triggers, notes, trends, and orthostatic vitals. Zebra Premium adds expanded history and doctor-report access for users who want more appointment support. Zebra is for people with POTS, EDS, and Fibromyalgia who want less app-juggling, clearer history, and proof they can bring to a doctor. Zebra does not diagnose, treat, or replace medical care. It helps you organize and share your own tracked history. Privacy Policy: https://zebratracker.app/privacy Terms of Use: https://zebratracker.app/terms
Hush
This privacy-focused app tracks menstrual cycles, symptoms, and fertility phases using on-device data. It offers customizable logging, pattern detection, and educational content without requiring an account or internet connection.
- On-device data storage
- Period and symptom logging
- Phase detection (menstrual, follicular, ovulation, luteal)
- Fertility and pregnancy tracking modes
- Customizable symptom flags
- Data export (JSON, CSV, iCal)
- Educational content library
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Hush is a privacy-first menstrual cycle tracker that does one thing: keeps every byte of your data on your device. No account. No servers. No ads. No tracking SDKs. We literally cannot sell what we never collect. WHAT'S INCLUDED (FREE) • Period logging — start dates, end dates, optional notes • Symptom logging — mood, energy, pain, plus quick-tap flags for cramps, bloating, headache, fatigue, tender chest, acne • Phase detection — menstrual, follicular, ovulation, luteal • Phase-aware ambient design that shifts color through your cycle • Next period and ovulation forecast that refines as you log • Custom user-defined symptom flags • On-device symptom pattern engine — "Cramps tend to show up 2 days before your period in 5 of your last 6 cycles" • Symptom pattern detection across cycles • Calendar view with phase-colored history • Light, dark, and system themes LIFE-STAGE MODES • Cycle tracking (default) • TTC — emphasizes fertile window, adds BBT, ovulation tests, cervical fluid logging • Pregnancy — gestational week tracker, due date, week-by-week development blurbs • Postpartum — return-of-cycle tracking • Perimenopause — widens cycle tolerance, hot flash logging, no false "overdue" alerts FERTILITY TREATMENT SUPPORT (TTC mode) • Custom medication reminders (you set name, dose, times — we fire the alarms) • Dose log + injection site rotation tracker (helps avoid bruising) • Trigger shot countdown • Two-week-wait countdown • Stim cycle day counter • Never gives medical advice — your RE's protocol is yours; Hush is the reminder system + journal LEARN LIBRARY 12 in-app articles on phases, PMS vs PMDD, perimenopause, PCOS, iron deficiency, fertile windows, sleep through the cycle, birth control's effect on tracking, and more. Bundled in the app — no network calls. DATA YOU OWN • One-tap JSON or CSV export of your entire history • iCal subscription so your cycle shows in Calendar • Doctor visit PDF — printable 6-month summary for your OB-GYN • JSON import — restore from backup, switch phones easily • One-tap full data wipe in Settings → Danger zone DESIGNED FOR PRIVACY, NOT JUST MARKETED THAT WAY • No account, no login, no email required • Local-first storage with iOS sandboxing • No third-party SDKs except Apple's StoreKit • No crash reporter, no analytics, no attribution • Open, machine-readable JSON export so your history is portable • App Store privacy nutrition label: "Data Not Collected" — audited by Apple NOT MEDICAL ADVICE Hush is educational. It is not a contraceptive and not a fertility diagnostic. Predictions are statistical estimates based on what you log — accuracy improves with more cycles. Always talk to a qualified healthcare provider for medical decisions. GET IN TOUCH Questions or feedback? Email support@cyclekit.app — we reply within 2 business days.
Screenshots
Verdict
The clearest difference is in-app purchases: Hush at none against Zebra Symptom Tracker's 3. Hush also leads on iOS requirement (15.0 vs 17.0). Zebra Symptom Tracker's advantage is update cadence (weekly vs every 4 weeks). On price, ads and device support 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
Both are free to download. Zebra Symptom Tracker sells 3 in-app purchases, starting at $4.99 per month. Hush asks for nothing beyond the download.
Zebra Symptom Tracker ships an update weekly, Hush every 4 weeks. Both last shipped on October 28, 2026.
| Parameter | Zebra Symptom Tracker | Hush |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Weekly — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 10 MB |
| Age rating | 12+ | 12+ |
| Developer | Roman Bun | Eric Stewart |
In-app purchases
Zebra Symptom Tracker
- Zebra Premium — Monthly7 Days trial$4.991 Month
- Zebra Premium — Annual7 Days trial$39.991 Year
- Zebra Premium Lifetime$59.99
Hush
No in-app purchases









