Track 18 symptoms daily across all 11 DSM-5-TR diagnostic domains. Get diagnostic-quality analysis in under 60 seconds a day. Share printable clinician reports. Free forever.
Most cycle apps track periods. Symcycle tracks the specific symptom patterns clinicians need to evaluate PMDD.
18 symptom items mapped to all 11 DSM-5-TR PMDD diagnostic domains. Not a general mood diary with a cycle overlay. Every element is designed for premenstrual pattern evaluation.
The only consumer app implementing scoring aligned with the Carolina Premenstrual Assessment Scoring System. Four validated criteria evaluate each domain: severity, duration, clearance, and relative change.
Generate a printable report with raw data, domain analysis, pre/post comparison, and interpretation guide. Designed for the clinical encounter, not just personal insight.
All data stays on your device. No accounts. No servers. No tracking. No ads. No data monetization. Period. You own your data completely.
Tap a severity rating for each symptom, mark your menstrual flow, and save. Daily tracking takes less than a minute. Consistency is what makes the analysis meaningful.
Symcycle is a progressive web app. Use it in your browser or add it to your home screen for the full app experience. No app store download required. iPhone, Android, tablet, or desktop.
Symcycle turns daily symptom ratings into the structured data your clinician needs.
Each day, rate 18 symptoms on a 1-6 severity scale and mark your menstrual flow. Takes under 60 seconds.
The DSM-5-TR requires at least 2 prospectively tracked menstrual cycles. Three or more cycles increase diagnostic confidence.
Symcycle runs C-PASS-aligned scoring and generates a printable clinician report with domain analysis, phase comparisons, and multi-cycle trends.
Symcycle implements scoring aligned with the most validated PMDD assessment system in psychiatric research.
The Carolina Premenstrual Assessment Scoring System (C-PASS) was developed to standardize the evaluation of prospective daily symptom ratings against DSM-5 PMDD criteria. Published by Eisenlohr-Moul et al. in the American Journal of Psychiatry (2017), it provides a systematic, reproducible framework for determining whether daily ratings meet diagnostic thresholds.
Symcycle applies this methodology to evaluate each of the 11 DSM-5-TR PMDD symptom domains independently. For a domain to meet criteria, it must satisfy all four scoring dimensions. The app then synthesizes domain-level results into an overall assessment: PMDD Likely, PMS/MRMD, or Non-cyclical pattern.
Symcycle also flags Premenstrual Exacerbation (PME), where postmenstrual symptoms remain elevated, suggesting an underlying condition that worsens premenstrually rather than a standalone premenstrual disorder.
We built what the existing apps don't offer: clinical-grade PMDD evaluation.
| Feature | Symcycle | Flo/Clue | Me v PMDD | Bearable |
|---|---|---|---|---|
| All 11 DSM-5-TR PMDD domains | ✓ | ✗ | ✗ | ✗ |
| C-PASS scoring methodology | ✓ | ✗ | ✗ | ✗ |
| Printable clinician report | ✓ | ✗ | ✓ | ✗ |
| PME detection | ✓ | ✗ | ✗ | ✗ |
| Multi-cycle trend analysis | ✓ | ✗ | ✗ | ✓ |
| 100% on-device data | ✓ | ✗ | ✓ | ✗ |
| No account required | ✓ | ✗ | ✓ | ✗ |
| Free core features | ✓ | ✓ | ✓ | ✗ |
In a world where health apps monetize your most personal data, Symcycle takes a different approach.
All symptom data is stored in your browser's local storage. Nothing leaves your device. Ever.
Symcycle has no backend. There is no server to hack, no database to breach, no cloud account to compromise.
Start tracking immediately. No signup, no email, no phone number. Zero personal information collected.
Export your data as JSON backup or CSV for spreadsheets. You control when, where, and how your data moves.
Symcycle gives your patients a structured tool that outputs the data you need for DSM-5-TR PMDD evaluation.
Patients rate 18 items on a standardized 1-6 scale daily, replacing inconsistent retrospective recall with prospective data collection.
One-click report generation with raw data tables, C-PASS domain results, phase comparison charts, and an interpretation guide. Print or PDF for the chart.
Each of the 11 DSM-5-TR domains evaluated independently with pre/post comparison. Core emotional domains flagged separately per PMDD criteria.
Automatically flags when postmenstrual symptom severity remains elevated (average > 2.5/6), alerting to possible premenstrual exacerbation of an underlying condition.
Under 60 seconds a day. No account, no cost, no data collected. Just the structured tracking your clinician needs.
Open Symcycle Free