Cycle Sync vs SootheHer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cycle Sync
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CYCLE-AWARE CALENDAR CycleSync helps professional women align their work schedules with their natural menstrual cycle phases. Instead of fighting through low-energy days, you get smart suggestions to move demanding meetings to days when your focus and energy peak. WORK WITH YOUR RHYTHM, NOT AGAINST IT Your cycle isn't an obstacle. It's a compass. Menstrual Phase (Winter) Rest and recovery. Reschedule high-stakes meetings. Follicular Phase (Spring) Rising energy. Schedule creative work and planning. Ovulation Phase (Summer) Peak performance. Take on negotiations and leadership. Luteal Phase (Autumn) Focused wind-down. Finish projects and organize. SMART RESCHEDULING CycleSync connects to your calendar and automatically detects: • Events on heavy-flow days • Events on rest-phase days • Dense meeting days during focus phases (3+ events) One tap on a conflict card opens the Time Slot Picker. Your available slots on better days are pre-calculated. Reschedule in seconds. An undo option gives you 10 seconds to reverse. NO AI. NO GUESSING. The recommendation engine is rule-based: 1. Your cycle history predicts your phase for any date. 2. Your phase preferences determine focus or rest classifications. 3. Your calendar events are flagged when they conflict with your classifications. 4. Available slots on recommended-phase days enable one-tap rescheduling. WHAT'S FREE • Cycle logging and phase prediction • Calendar sync (Apple Calendar and Google Calendar) • Dashboard with today's phase and a 7-day overview • Basic conflict detection • Five notification types including phase transitions, daily insights, and period predictions • Cycle history for the last three cycles • Focus and rest customization for each phase • Light, Dark, and System themes WHAT'S PRO Unlock everything: • Unlimited reschedule suggestions • One-tap rescheduling with undo • Advanced conflict detection • Unlimited phase history • Priority notifications • Tomorrow's preview alerts • Re-engagement reminders PRIVACY FIRST • All cycle data is stored locally on your device • No cloud sync and no tracking • Health data is read-only from Apple Health • Export your data anytime as JSON or CSV HOW TO START 1. Open CycleSync and log your last period start date. 2. Connect your calendar using Apple Calendar or Google Calendar. 3. Set your typical cycle length (default: 28 days). 4. Review your dashboard. Suggested reschedules appear automatically. Download CycleSync and work with your natural rhythm. By subscribing, you agree to our Terms of Use (EULA): https://cyclesync.tunnxo.com/legal/eula.html Privacy Policy: https://cyclesync.tunnxo.com/legal/privacy.html
SootheHer
This app helps you track your menstrual cycle, predict your next period, and offers drug-free relief for cramps. It prioritizes user privacy with no accounts or data sharing, keeping all information on your device.
- Cycle tracking with symptoms and moods
- Period, fertile window, and ovulation predictions
- Drug-free cramp relief routines
- Insights into cycle patterns
- Library of wellness articles
- Gentle reminders
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SootheHer is a completely free period and cycle tracker that helps you understand your body and feel more prepared each month without ads, accounts, or data harvesting. Log your period, symptoms, and moods in seconds, see clear predictions for your next period, fertile window, and ovulation, and reach for calming, drug-free relief when cramps hit. Everything lives on your device. Nothing is uploaded, sold, or shared. WHAT YOU CAN DO • Track your cycle — Log flow, symptoms, mood, sleep, sex drive, and more with a fast, thoughtful daily log. • See what's coming — Adaptive predictions learn from the cycles you log, so your next period, fertile window, and ovulation estimates get more personal over time. • Understand your patterns — Insights show your most common symptoms and moods, how they map to each cycle phase, and a history of your cycle lengths. • Find relief — Guided routines for cramps and tension: gentle stretching, breathing, heat therapy, meditation, yoga, self-massage, and step-by-step acupressure with clear diagrams for each pressure point. • Learn — A library of practical, judgment-free articles on cycles, cramps, hormones, and everyday wellness. • Gentle reminders — Optional nudges to log each day, take a daily pill, or prepare for an upcoming period. You choose the times; you can turn them off anytime. PRIVATE BY DESIGN • No account, no sign-up, no tracking. • Your health data never leaves your device. • Export a backup anytime, and restore it whenever you like. • Optional 4-digit app lock for extra privacy. DESIGNED TO SOOTHE A soft, spring-inspired light theme and a cosmic dark theme, with a friendly companion butterfly to guide you. SootheHer is built to feel supportive, not clinical. A NOTE ON PREDICTIONS SootheHer's predictions are estimates based on the data you log and can be inaccurate, especially with irregular cycles. SootheHer does not provide medical advice and should not be relied on for contraception. For medical concerns, please talk to a healthcare professional.
Screenshots
Verdict
The clearest difference is in-app purchases: SootheHer at none against Cycle Sync's 3. SootheHer also leads on iOS requirement (14.0 vs 18.2). 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. Cycle Sync sells 3 in-app purchases, starting at $4.99 per 7 days. SootheHer asks for nothing beyond the download.
| Parameter | Cycle Sync | SootheHer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Fortnightly | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.2 | 14.0 — better |
| Further details — not scored | ||
| Size | 55 MB | 10 MB |
| Age rating | 4+ | 17+ |
| Developer | Amit Kairon | SootheHer LLC |
In-app purchases
Cycle Sync
- CycleSync Pro — Weekly$4.997 Days
- CycleSync Pro$9.991 Month
- CycleSync Pro$59.991 Year
SootheHer
No in-app purchases









