RYTEX vs Luna Cycle
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RYTEX
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Know Your Rhythm. RYTEX is a private, ad-free period and cycle tracker. Your health data lives on your device — always. TRACK YOUR CYCLE • Period & ovulation predictions • Symptom tracking (mood, cramps, energy, sleep and more) • Daily & monthly cycle insights • Irregular cycle support PLAN AHEAD See your predicted period dates for the next 3 and 6 months. Plan your vacation, your important days, your life — without surprises. PARTNER SHARING • Share your cycle privately with your partner • Sharing starts only with your invitation and their explicit acceptance • End-to-end encrypted — no one can read it, not even us • You control what they see, and you can stop sharing anytime TRULY PRIVATE • Your health data stays on your device • Anything you share is end-to-end encrypted • No ads. Ever. • No data selling. Ever. • No account required to start HEALTH INSIGHTS • Science-based cycle analysis • PMS & ovulation pattern detection • Doctor report export (PDF) SPARK Something your partner can send you. Something you can send back. Only visible when you open the app. No content in the notification, just a generic alert. Some things don't need words. DISCREET BY DESIGN All notifications are private. No period dates. No symptom details. No cycle info. Just a gentle nudge — nothing more. Your health is yours alone. RYTEX PREMIUM Partner sharing, SPARK and the doctor report are part of RYTEX Premium (monthly or yearly subscription). One subscription covers you both: premium for either partner is enough. Cycle tracking, predictions, symptoms and insights are always free. Apple Health: RYTEX can import your past Menstrual Flow records from the Health app (read-only) so you keep your history when switching from another period tracker. Settings → Data Transfer → Import from Health. — MEDICAL DISCLAIMER RYTEX is not a medical device and does not provide medical advice, diagnosis, or treatment. It is not a diagnostic tool and must not be used as contraception. Predictions and insights are for informational purposes only. Always seek the advice of a qualified healthcare professional in addition to using this app, and before making any medical decisions or changing your treatment. Terms of Use (EULA): https://rytex.app/terms Privacy Policy: https://rytex.app/privacy
Luna Cycle
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Luna — твой личный помощник в заботе о женском здоровье. Отслеживай менструальный цикл, получай точные прогнозы и персональные советы для каждой фазы. Luna помогает лучше понимать своё тело и чувствовать себя уверенно каждый день. ОСНОВНЫЕ ВОЗМОЖНОСТИ: Умный календарь цикла • Отмечай начало и конец менструации • Прогноз следующей менструации на основе твоих данных • Визуальное кольцо цикла с текущей фазой Дневник самочувствия • Записывай симптомы и настроение • Отслеживай интенсивность выделений • Анализируй закономерности своего цикла Персональные советы для каждой фазы • Менструация — как облегчить дискомфорт • Фолликулярная фаза — время для новых начинаний • Овуляция — пик энергии и продуктивности • Лютеиновая фаза — забота о себе и подготовка Умные уведомления • Напоминание за 2 дня до начала менструации • Время подготовиться заранее Статистика и аналитика • Средняя длина цикла • Количество отслеженных циклов • История записей дневника ПОЛНАЯ КОНФИДЕНЦИАЛЬНОСТЬ Все данные хранятся только на твоём устройстве. Мы не собираем, не передаем и не имеем доступа к твоей личной информации. Никакой регистрации — просто открой и пользуйся. Luna создана с заботой о тебе. Приложение помогает отслеживать цикл, но не заменяет консультацию врача. При любых вопросах о здоровье обращайся к специалисту. Скачай Luna и начни лучше понимать свой организм уже сегодня!
Screenshots
Verdict
The clearest difference is in-app purchases: Luna Cycle at none against RYTEX's 2. RYTEX's advantage is iOS requirement (15.0 vs 17). 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. RYTEX sells 2 in-app purchases, starting at $4.99 per month. Luna Cycle asks for nothing beyond the download.
| Parameter | RYTEX | Luna Cycle |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17 |
| Further details — not scored | ||
| Size | 52 MB | 2 MB |
| Age rating | 12+ | 12+ |
| Developer | Omer Dulger | Darya Balatsun |
In-app purchases
RYTEX
- Premium Monthly$4.991 Month
- Premium Yearly$34.991 Year
Luna Cycle
No in-app purchases









