Mood Tracker · MoodQuad
Bruce Nadro Medical iPhoneiPadiPod touch
Mood Tracker · MoodQuad is a free Medical app for iPhone and iPad by Bruce Nadro. Rated 5.0/5 from 1 ratings. Requires iOS 17.6. Updated August 29, 2026.
- Rating
- 5.0
- 1 ratings
- Price
- Free
- on the App Store
- Size
- 11 MB
- Age 17+
- Updated
- Aug 29
- 2026 · v3.2
Screenshots
About Mood Tracker · MoodQuad
Your mood is more predictable than you think. MoodQuad is a daily mood tracker that reads your biometric data from Apple Health - heart rate variability (HRV), resting heart rate, respiratory rate, sleep, and workouts - and builds a personalized emotional forecast based on your patterns. One tap per day. That's your only job. MoodQuad does the rest. THE MOOD FORECAST After 2 weeks of daily check-ins, MoodQuad predicts how you'll feel tomorrow based on how your body actually performed overnight. Not a generic wellness score. Your data. Your patterns. Your forecast. Works with Apple Watch and Whoop via Apple Health. Choose your preferred data source in Settings. HOW IT WORKS Log your mood in one tap using the Circumplex Model - a scientifically validated framework that maps emotion across two axes instead of a single good-to-bad scale MoodQuad reads your overnight HRV, resting heart rate, respiratory rate, and sleep from Apple Health automatically Your Mood Map reveals patterns - what consistently lifts you up and what drags you down The Prediction Ghost Dot shows where your mood is heading before it arrives Tag activities to build a mood timeline connecting how you feel to what you were doing WHAT MOODQUAD READS FROM APPLE HEALTH Heart Rate Resting Heart Rate Heart Rate Variability (HRV) Respiratory Rate Sleep Analysis Workouts Compatible with Apple Watch and Whoop. MoodQuad never writes to Apple Health and never transmits your data off your device. Everything stays on your iPhone. Always. KEY FEATURES Mood Forecast - 24-hour emotional prediction based on your biometric patterns Mood Map - visualize your emotional state on the scientifically validated Circumplex Model Prediction Ghost Dot - see where your mood is trending before it arrives Mood Timeline - emotional history correlated to activities Apple Watch and Whoop support via Apple Health Activity tagging - connect mood to what you were doing Insights - discover your personal emotional patterns over time Complete data privacy - read-only from Apple Health, nothing transmitted off device WHO MOODQUAD IS FOR Anyone who wants to understand their emotional patterns, not just track them Apple Watch and Whoop users who want emotional context for their biometric data People who have tried mood journals and found them too time-consuming Anyone navigating stress, anxiety, or emotional unpredictability who wants data-backed self-awareness Therapists and coaches who want objective mood data between sessions PRIVACY MoodQuad is built on a simple principle: your mental health data belongs to you. Read-only access to Apple Health - we never write to your health data Zero data transmission - nothing leaves your device No account required No third-party data sharing MOODQUAD PREMIUM Free to download. Try MoodQuad Premium free for 7 days. $4.99 per month $39.99 per year $69.99 lifetime access - early believer rate Premium unlocks the Mood Forecast, advanced insights, and full pattern analysis. Your heart predicts your mood. Now you can see it coming. Free to download. Try the Mood Forecast free for 7 days. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
What’s new
Version 3.2 · Updated August 29, 2026
Welcome to Mood Tracker · MoodQuad. If you're new here — MoodQuad predicts your mood 24 hours in advance using your HRV, resting heart rate, sleep, and respiratory rate from Apple Health. One tap per day. Your Apple Watch or Whoop does the rest. This update brings performance improvements and stability fixes to make your daily mood tracking experience faster and more reliable. New to MoodQuad? Here's where to start: → Connect your Apple Watch or Whoop in Settings → Data Source → Log your first mood check-in on the Track screen → Check back daily — the Mood Forecast unlocks after 2 weeks of data Questions or feedback? We read every review and respond to every message. Your heart predicts your mood. Now you can see it coming.
App privacy
The developer, Bruce Nadro, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Purchases: Purchase History
- Identifiers: User ID
Used for: App Functionality, Other Purposes
Alternatives to Mood Tracker · MoodQuad
Looking for apps like Mood Tracker · MoodQuad? Here are 6 similar apps on the App Store. The highest rated is Gratitude: Good Moments Diary (5.0/5), and all 6 are free to download.
-
Gratitude: Good Moments Diary
5.0
-
VitalView: Heart Quantified
-
Stability - MoodTracker
5.0
-
StoryMD Health
5.0
-
SpoonDo: Energy & Task Planner
5.0
-
MeNome: Gut Symptom Record
5.0
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Mood Tracker · MoodQuad | 5.0 / 5 (1 rating) | Free | August 29, 2026 | |
| Gratitude: Good Moments Diary | 5.0 / 5 (1) | Free | Oct 12, 2026 | Compare |
| VitalView: Heart Quantified | – | Free | Jul 14, 2026 | Compare |
| Stability - MoodTracker | 5.0 / 5 (5) | Free | Mar 17, 2025 | Compare |
| StoryMD Health | 5.0 / 5 (6) | Free | Sep 18, 2026 | Compare |
| SpoonDo: Energy & Task Planner | 5.0 / 5 (1) | Free | Oct 21, 2026 | Compare |
| MeNome: Gut Symptom Record | 5.0 / 5 (4) | Free | Oct 7, 2026 | Compare |