Cycle Sync vs Hot Flash Tracker
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. RULES, NOT GUESSWORK. 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. EVERYTHING IN ONE SUBSCRIPTION An active CycleSync Pro subscription unlocks the whole planner: • Cycle logging, phase prediction and a 14-day cycle outlook • Dashboard with today's phase and a 7-day week view • Calendar sync with Apple Calendar and Google Calendar • Conflict detection and unlimited reschedule suggestions • One-tap rescheduling with a 10-second undo • Five notification types: reschedule alerts, phase transitions, period predictions, tomorrow's preview and re-engagement nudges • Insights: energy curve, seasonal capacities and full cycle history • Cycle import from Apple Health • Export your cycle history as JSON or CSV • Light, Dark and System themes BEFORE YOU SUBSCRIBE Onboarding and the plan comparison are free, so you can see how CycleSync works before you pay. The planner opens once your subscription is active, and everything you have already logged stays on your device. Weekly, monthly and yearly plans are available in the app. 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
Hot Flash Tracker
Easily track hot flashes, mood, sleep, and hormone therapy. Visualize patterns over time and generate reports for your doctor. Your data stays private on your device.
- Log hot flashes quickly
- Track sleep, mood, and brain fog
- Monitor hormone therapy doses and changes
- Visualize trends over weeks and months
- Generate PDF reports for doctor appointments
- Optional Apple Health integration
- Private, on-device data storage
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Hot flashes rarely pick a good moment: the middle of a meeting, the checkout line, three in the morning. Logging one should take a second, not a form. Tap the big warm circle and it's saved. Add how strong it was or what was happening just before, only if you feel like it. HOT FLASHES, DAY AND NIGHT • Day and night are counted separately, because the ones that wake you deserve their own line • Your week at a glance • Log from the app, from Control Center, or just ask Siri HOW YOU FEEL • A quick daily check-in for sleep, mood, brain fog and joint pain, kept right beside your flashes YOUR HORMONE THERAPY • Add what you use: patch, gel, pills or spray, with estrogen, progesterone or testosterone • Mark when you started or changed a dose, and it appears on the same chart as your flashes • On patches? Set your change days once, and a gentle reminder arrives on your lock screen. Mark it done right there • A calendar of the last four weeks of doses and patch changes YOUR PATTERN OVER TIME • A clear chart of your hot flashes across weeks and months, so you don't have to rely on memory READY FOR YOUR APPOINTMENT • A one-page PDF with daily counts, night episodes, severity, symptoms and your treatment timeline • The first question is usually "how often?" Now you can answer from your own record YOURS ALONE • Everything stays on your iPhone. No account, no cloud, no tracking • If you'd like, your hot flashes can also be saved to Apple Health Hot Flash Log is a journal, not medical advice. It doesn't tell you what to take or when. Treatment decisions belong with you and your clinician. MENO PLUS Optional subscription, monthly or yearly with a 7-day free trial, for longer trends, patterns, the doctor's report and trend widgets. Payment is charged to your Apple Account. It renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel it in Settings > Apple Account > Subscriptions. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://experts-draw-9pm.craft.me/F0cQcmFqdELflk
Screenshots
Verdict
The clearest difference is in-app purchases: Hot Flash Tracker at none against Cycle Sync's 3. Hot Flash Tracker also leads on ads (none vs shown) and update cadence (every 5 days vs every 2 months). On price, 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
Both are free to download. Cycle Sync sells 3 in-app purchases, starting at $4.99 per 7 days. Hot Flash Tracker asks for nothing beyond the download.
Cycle Sync ships an update every 2 months, Hot Flash Tracker every 5 days. Both last shipped on October 24, 2026.
| Parameter | Cycle Sync | Hot Flash Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | — | Freemium |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.2 | 17.0 — better |
| Further details — not scored | ||
| Size | 78 MB | 20 MB |
| Age rating | 4+ | 17+ |
| Developer | Amit Kairon | Uladzsislau Luchkouski |
In-app purchases
Cycle Sync
- CycleSync Pro — Weekly$4.997 Days
- CycleSync Pro$9.991 Month
- CycleSync Pro$59.991 Year
Hot Flash Tracker
No in-app purchases









