Flowly vs Uncross
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flowly
This app tracks your menstrual cycle, integrating biometric data like HRV and sleep from your Apple Watch to predict cognitive peaks, energy windows, and recovery needs. It offers personalized daily recommendations for work, nutrition, and movement based on your cycle phase.
- Predicts periods and cognitive peaks
- Integrates Apple Watch HRV and sleep data
- Personalized daily action recommendations
- Tracks symptoms, mood, and energy
- 5-dimension cognitive performance forecast
- Privacy-focused local data storage
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Flowly is the first cycle tracker built for performance. By combining your menstrual cycle data with real-time HRV, wrist temperature, and sleep quality from Apple Watch, Flowly predicts not just your next period — but your cognitive peak, energy windows, and recovery needs for every day of your cycle. WHAT MAKES FLOWLY DIFFERENT Unlike traditional period trackers, Flowly is built for women who want to understand how their hormones shape their focus, decision-making, creativity, and resilience — not just their fertility. CYCLE & PERIOD TRACKING • Predict your next period with personalized accuracy • Track irregular cycles with adaptive algorithms • Log symptoms, mood, energy, and flow • Sync with Apple Health for seamless data integration HRV & BIOMETRIC INSIGHTS (Apple Watch Required)---Works perfectly with or without an Apple Watch. • Read your Heart Rate Variability (HRV) daily • Monitor wrist skin temperature deviation (Series 8+ / Ultra) • Track sleep quality: deep sleep, REM, and total duration • Calibration mode: 7-day baseline for accurate temperature deviation COGNITIVE PERFORMANCE PREDICTION • 5-dimension radar: Focus · Decision · Creativity · Resilience · Communication • 7-day cognitive forecast based on your cycle phase + HRV • Daily S/A/B/C performance rating on your calendar • Identify your personal peak windows for high-stakes work SMART DAILY ACTIONS (307 personalized templates) • Phase-matched recommendations for work, movement, nutrition, and recovery • Quiet Mode: triggered automatically when HRV drops below your baseline • 4-7-8 breathing guide for stress recovery • Seed Syncing nutrition protocol by cycle phase APPLE WATCH INTEGRATION • Watch face complications: HRV, cycle day, temperature, energy score • Smart Stack card with daily phase summary • Morning check-in: 3-question daily log from your wrist • Ultra: one-tap anomaly marking with Action Button PRIVACY FIRST All data is stored locally on your device. No server uploads. No data selling. Ever. Note: Flowly is not a medical device and should not be used as contraception. Consult your healthcare provider for medical advice. Subscription Terms: https://10m.com.cn/doc/dance/Subscription_Terms_en.html Privacy Policy: https://10m.com.cn/doc/browser/Privacy_Policy_en.html User Agreement: https://10m.com.cn/doc/browser/Terms_of_Services_en.html
Uncross
This app helps you break the habit of crossing your legs, a common cause of poor posture. It uses your Apple Watch to monitor movement and send gentle reminders, allowing you to track your progress and build better sitting habits over time.
- Apple Watch motion detection
- Gentle, randomized reminders
- Daily sitting habit dashboard
- Streak tracking for motivation
- Weekly and monthly progress charts
- Customizable quiet hours
- Watch face complication for streak visibility
- Data export to CSV
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Uncross helps you become aware of and break the habit of crossing your legs while sitting — a common cause of poor posture and discomfort. Wear your Apple Watch. Start a session. Uncross quietly monitors your movement and sends gentle reminders asking if you're crossing your legs. Confirm or deny with a tap. Over time, you'll see your patterns clearly and naturally sit better. FEATURES • Apple Watch detection — motion-aware session tracking right from your wrist • Gentle nudges — randomized reminders so you stay aware without feeling nagged • Daily dashboard — sitting time, crossing estimates, and a confirmation rate score • Streak tracking — build momentum with consecutive improvement days • Weekly & monthly trends — charts that show your progress over time • Quiet hours — set a schedule so reminders only appear when you want them • Watch complication — your streak count always visible on your watch face • CSV export — take your data anywhere • Privacy first — everything stays on your device, nothing is ever uploaded HOW IT WORKS 1. Open the Watch app and start a sitting session 2. Uncross monitors your movement and pings you at random intervals 3. Tap to confirm or deny whether you're crossing your legs 4. Check your iPhone dashboard to review your day Small habit. Big difference. https://purrfect-allium-817.notion.site/Privacy-Policy-34361c6829748069b526f9bc49dc9b35
Screenshots
Verdict
The clearest difference is in-app purchases: Uncross at none against Flowly's 2. On price, ads, 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. Flowly sells 2 in-app purchases, starting at $2.99 per month. Uncross asks for nothing beyond the download.
| Parameter | Flowly | Uncross |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 10 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Requires iOS | 17 — better | 18.0 |
| Further details — not scored | ||
| Size | 13 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | HOOROO NETWORK PTE. LTD. | Jae Hyun Song |
Customer experience
Flowly
Uncross
In-app purchases
Flowly
- Pro · Monthly7 Days trial$2.991 Month
- Pro · Annual7 Days trial$17.991 Year
Uncross
No in-app purchases








