Peace Lab vs PMDD Journey
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Peace Lab
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Peace Lab: Your Path to Serenity Discover a serene escape with Peace Lab, the ultimate app designed to help you find peace and tranquility through beautiful, high-quality nature photos. Whether you’re looking to enhance your meditation practice or simply take a moment to relax, Peace Lab offers a personalized and calming experience. Features: Customizable Slideshows: Select from a variety of image categories such as sunsets, oceans, pets, and more. Create a slideshow that suits your mood and helps you unwind. View All Images: Access all the images in your slideshow through a dedicated tab. Browse through and revisit your favorite calming photos with ease. High-Quality Photos: Enjoy stunning, high-resolution images curated to enhance your relaxation and meditation sessions. User-Friendly Interface: Navigate the app effortlessly with an intuitive design that ensures a seamless and enjoyable experience. Why Choose Peace Lab? In today’s fast-paced world, finding moments of peace and relaxation is essential for your mental well-being. Peace Lab is designed to help you achieve this by offering a curated selection of nature photos that promote calmness and mindfulness. Whether you need a quick break during a busy day or a soothing companion for your meditation routine, Peace Lab is here to help you find your inner peace. Download Peace Lab today and embark on a journey to serenity and mindfulness. Start creating your personalized path to tranquility now! Experience peace and calm with Peace Lab. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
PMDD Journey
This app helps users manage Premenstrual Dysphoric Disorder (PMDD) by tracking over 80 bio-markers, including emotional, cognitive, and physical symptoms. It uses AI to provide personalized insights, identify triggers, and generate clinical reports for healthcare providers.
- Comprehensive daily tracker (80+ bio-markers)
- AI-powered personalized insights
- Integrated health tools (meds, care team, assessments)
- Symptom flare logging
- Clinical reporting for doctors
- Privacy-first data encryption
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Join 200,000+ users in the Health Journey Community. Managing PMDD (Premenstrual Dysphoric Disorder) requires more than just a standard period tracker—it requires a partner. PMDD Journey turns your daily data into actionable insights. Beyond a simple diary, it is an AI-powered tool that uncovers the links between your luteal phase symptoms, emotional shifts, and lifestyle to help you identify triggers and manage your cycle with confidence. * Comprehensive Daily Tracker (80+ Bio-Markers) * Capture every dimension of your hormonal and emotional health in seconds: - Psychological & Emotional States: Track severe irritability, sudden sadness, panic spikes, mood crashes, and rejection sensitivity. - Cognitive & Energy Levels: Log luteal phase brain fog, extreme fatigue, low motivation, and sleep disruptions. - Physical & Hormonal Symptoms: Monitor painful breasts, joint or muscle aches, severe bloating, and hormonal acne. - Nutrition & Cravings: Record intense sugar or carb cravings, hydration, meals, and supplement intake. - Lifestyle & Coping Habits: Track daily stress levels, sensory overload, physical movement, and pacing strategies. * Integrated Health Tools * Specialized modules designed for clinical-grade management: - My Meds & Labs: Log SSRIs (intermittent or daily dosing), cycle-specific supplements, and track hormone panel results over time. - My Care Team: Keep your gynecologists’, psychiatrists’, or therapists’ contact info in one place. - My Assessments: Take standardized PMDD tracking screenings to monitor symptom severity across cycle phases. - My Symptom Flares Log: Record intense emotional crises or physical crashes during the luteal window immediately. - My Goals & Cycle Tracker: Map your exact luteal timeline, predict your personal "hell week," and build consistent pacing routines. * Personalized AI Learn & Insights * Our AI understands your history to help you learn: - Context-Aware Knowledge Center: Ask anything about your symptoms or cycle shifts and get answers based specifically on your tracked history. - Smart Correlation: Automatically discover how specific sleep gaps, stress, or dietary choices interact with your severe premenstrual symptoms. - AI Daily Journal: A supportive recap of your day that connects your routine to your hormonal well-being. * Why PMDD Journey? * - Privacy-First: Your health data is 100% encrypted and never sold. - Clinical Reporting: Generate data-backed PDF summaries of your cycle trends and mood charts to share with your Gynecologist, Psychiatrist, or Doctor. - Enterprise-Grade Security: HIPAA-ready, GDPR compliant, and secured with AES-256 encryption. - Global Support: Available in 20+ languages. Download 'PMDD Journey' and take control of your hormonal stability. Ideal for: - Conditions: Premenstrual Dysphoric Disorder (PMDD), Severe PMS, and Hormonal Mood Imbalances. - Symptoms: Severe Premenstrual Irritability, Mood Crashes, Luteal Fatigue, and Hormonal Bloating. - Specialized: Luteal Phase Logging, Cycle Tracking, Flare Identification, and Symptom Management. IMPORTANT DISCLAIMER: This app is a personal symptom and data logging tool and is NOT a medical device. It does not diagnose, treat, or cure any condition. Always consult a licensed healthcare professional for medical advice, diagnosis, and treatment. Privacy: https://pmddjourney.flutterflow.app/privacy EULA: https://pmddjourney.flutterflow.app/termsAndConditions -- Health Journey Labs by Onrival LLC Supporting women's health, chronic conditions, autoimmune diseases, and complex health journeys. Learn more at healthjourneylabs.com
Screenshots
Verdict
The clearest difference is update cadence: Peace Lab at fortnightly against PMDD Journey's every 3 months. On price, ads, in-app purchases 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. Peace Lab sells 2 in-app purchases, starting at $1.99 per month and PMDD Journey sells 5 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Peace Lab ships an update fortnightly, PMDD Journey every 3 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.
| Parameter | Peace Lab | PMDD Journey |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0.0 | 14.0.0 |
| Further details — not scored | ||
| Size | 28 MB | 62 MB |
| Age rating | 4+ | 17+ |
| Developer | 嘉炜 丰 | Onrival LLC |
In-app purchases
Peace Lab
- Unlimited access7 Days trial$1.991 Month
- Unlimited access$12.991 Year
PMDD Journey
- Premium$1.997 Days
- Premium$7.991 Month
- Premium7 Days trial$29.991 Year
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- Premium$29.991 Year
- Premium1 Year trial$39.991 Year








