Comparison

Peace Lab vs PMDD Journey

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Peace Lab

Features
Read full description

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/

About

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.

Highlights
  • 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
Features
Read full description

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

Peace Lab4 screens
PMDD Journey4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
Peace Lab versus PMDD Journey: the parameters behind the verdict, then further details
ParameterPeace LabPMDD Journey
PriceFreeFree
Rating—4.0 (1 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—1 — better
Update frequencyFortnightly — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0.014.0.0
Further details — not scored
Size28 MB62 MB
Age rating4+17+
Developer嘉炜 丰Onrival LLC

In-app purchases

2 purchases

Peace Lab

Subscriptions2
  • Unlimited access7 Days trial$1.991 Month
  • Unlimited access$12.991 Year
5 purchases

PMDD Journey

Subscriptions5
  • Premium$1.997 Days
  • Premium$7.991 Month
  • Premium7 Days trial$29.991 Year
Show 2 more
  • Premium$29.991 Year
  • Premium1 Year trial$39.991 Year

Questions

Is Peace Lab free?
Peace Lab is free to download, with in-app purchases available.
Is PMDD Journey free?
PMDD Journey is free to download, with in-app purchases available.
Do Peace Lab or PMDD Journey have ads?
Neither Peace Lab nor PMDD Journey shows ads.
Which is updated more often, Peace Lab or PMDD Journey?
Peace Lab ships an update fortnightly, and PMDD Journey every 3 months. Most recently, Peace Lab was updated on October 27, 2026 and PMDD Journey on October 30, 2026.

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