Thyroid Tracker ThyForLife vs Eva Cycle
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Thyroid Tracker ThyForLife
This app helps individuals manage thyroid health by tracking blood results, medications, symptoms, and weight. It offers a supportive global community and medical expertise, providing an all-in-one self-management tool for all thyroid conditions.
- Thyroid blood results tracker
- Medicine and supplement tracker
- 60+ symptoms tracker
- Weight tracker
- Custom medication reminders
- Global thyroid community
- Medical expertise
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ThyForLife is the award-winning, all-in-one thyroid health platform trusted by thousands of patients worldwide, and the first thyroid app to combine tracking with a clinically informed self-care program. Founded by Natalia Lumen, who has managed her own thyroid condition for nearly a decade, ThyForLife is the only self-management tool and global community built to support ALL thyroid conditions, from Hashimoto's and hypothyroidism to thyroid cancer and thyroidectomy. NEW IN 2.0: WELLNESS SELF-CARE PROGRAM The first and only self-care program designed specifically for thyroid patients. Understand how your thyroid affects your mental health, sleep, and physical wellbeing, with guided exercises, educational content, and tools to take action. - Mental health: Breathwork audio, mindfulness meditation, grounding card games, and journaling. Deep-dive readings on the thyroid–mental health link. Progressive quizzes that earn points and unlock new content. - Sleep: Learn how thyroid conditions disrupt sleep, plus journaling, education, and quizzes on the thyroid–sleep connection. - Physical Health: Gentle Qigong and self-care activities designed for thyroid-level energy. WELLNESS JOURNAL - Track mental, sleep, and physical wellbeing - add entries anytime - Calendar view with moods and notes - See patterns alongside your thyroid data GAMIFICATION & PROGRESS - Earn points for readings, exercises, and quizzes - Track achievements as you go - Progressive learning - unlock new sections as you complete each quiz MEDICAL INSIGHTS - Condition-specific education: Hypothyroidism, Hyperthyroidism, Thyroid Cancer - Podcast episodes on key thyroid topics - Community polls - see how others manage the same symptoms THYROID BLOOD RESULTS - Record TSH, T4, Free T4, T3, Free T3, Tg, TgAb and more - Normalize results on a single scale across different labs and reference ranges - Add notes alongside every result MEDICATION & SUPPLEMENTS - Track T4 (Synthroid, Euthyrox), T3 (Thybon, Cytomel) and other medications - Log Vitamin D and other supplements - Record dosage changes with reasons and frequency - Never miss a dose with custom reminders 60+ SYMPTOM TRACKER - Rate energy, sleep, stamina, anxiety, cold hands/feet and more - Add custom symptoms specific to your condition - Compare symptoms with labs, meds, and weight on one screen WEIGHT TRACKER - Monitor changes over time - See how medication and thyroid levels affect your weight - Add notes and draw insights from your data INTUITIVE GRAPHS & ANALYSIS - Visual dashboard with comparative graphs on a single screen - Normalized bloodwork across labs, ranges, and units - Spot trends and patterns at a glance GLOBAL THYROID COMMUNITY - Ask and answer questions anonymously - Categories: mental health, lifestyle, pregnancy and more - Articles, polls, and real stories from thyroid patients worldwide SUPPORTED CONDITIONS Hypothyroidism • Hyperthyroidism • Hashimoto's • Graves' Disease • Papillary, Follicular, Anaplastic & Medullary Thyroid Cancer • Thyroidectomy FREE & AD-FREE Core features and community are always free. No ads, no clutter, just a calm, supportive experience focused on your health. As featured in NASDAQ, Thrive Global, Authority Magazine, Harvard, and more. PRIVACY FIRST Your data is never shared with third parties. Fully GDPR compliant and built to HIPAA privacy and security standards.. ThyForLife is the first thyroid app to pass the Digital Health Assessment Framework (DHAF) - an independent review of 400+ clinical, privacy, and security criteria endorsed by the American College of Physicians, American Thyroid Association, and ORCHA. https://www.thyforlife.com/privacy-policy/ We update regularly with new features. Share your ideas at info@thyforlife.com - we reply to every email. Follow us on Instagram: @thyforlife
Eva Cycle
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Eva Cycle is the privacy-first menstrual cycle tracker that keeps everything on your device — forever. No accounts. No cloud. No data collection. Your most personal health data stays exactly where it belongs: with you. SMART PREDICTIONS Eva Cycle uses a Bayesian statistical algorithm that learns from your own cycle history to predict: • Your next period start date (with confidence intervals) • Your estimated ovulation window • Daily conception probability The more you log, the smarter and more personalised your predictions become. DAILY LOGGING Track everything that matters to you: • Menstrual flow intensity (light, medium, heavy) • Mood (happy, calm, energetic, sad, irritable, anxious, tired) • Cervical mucus observations • Basal body temperature (BBT) • Pain levels • Intercourse & protection status • Free-form notes COMPLETE PRIVACY & SECURITY Eva Cycle was built from the ground up with privacy as the core feature — not an afterthought: • 100% offline — zero internet or server communication, ever • AES-256 encryption (SQLCipher) protects all your data on device • Biometric lock (Face ID / fingerprint) secures app access • One-tap emergency data wipe removes everything instantly • Encrypted backups with your own passphrase — we never see your key • No analytics, no tracking, no ads CALENDAR & HISTORY • Monthly and weekly calendar views • Full cycle history with statistics • See patterns and trends over time BACKED UP ON YOUR TERMS Export an encrypted backup file to your own storage at any time. Restore it on the same device or a new one using only your passphrase — no account required. ONE-TIME PURCHASE Eva Cycle is free to try for 60 days. After that, a single one-time purchase unlocks Eva Cycle Premium permanently — no recurring subscription, ever.
Screenshots
Verdict
Thyroid Tracker ThyForLife and Eva Cycle are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Thyroid Tracker ThyForLife sells 9 in-app purchases, starting at $59.99 per 6 months and Eva Cycle sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Thyroid Tracker ThyForLife ships an update every 5 weeks, Eva Cycle every 3 weeks. The most recent releases landed on October 15, 2026 and October 18, 2026 respectively.
| Parameter | Thyroid Tracker ThyForLife | Eva Cycle |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (26 ratings) — better | — |
| Positive reviews | 83.7% of reviews | — |
| Number of ratings | 26 — better | — |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 15.0 — better |
| Further details — not scored | ||
| Size | 138 MB | 23 MB |
| Age rating | 17+ | 4+ |
| Developer | ThyForLife Health Inc. | nguyen van sang |
In-app purchases
Thyroid Tracker ThyForLife
- Half Yearly Plan$59.996 Months
- 12 months Introductory Offer$59.991 Year
- Yearly Plan$79.991 Year
- Tracking Pro (12 months)$24.99
- Tracking Pro (6 months)$26.99
- Tracking Pro (6 months)$29.99
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- Tracking Pro (12 months)$39.99
- Tracking Pro (12 months)$44.99
- Tracking Pro (12 months)$49.99
Eva Cycle
- Eva Cycle Forever$4.99
Questions
Is Thyroid Tracker ThyForLife free?
Is Eva Cycle free?
Do Thyroid Tracker ThyForLife or Eva Cycle have ads?
Which is updated more often, Thyroid Tracker ThyForLife or Eva Cycle?
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