PeakD4Y vs Trippy

SUBST4NCE is an educational harm reduction reference app providing research-backed pharmacokinetic data and drug interaction warnings. IMPORTANT DISCLAIMER This app is NOT a medical device and does NOT provide medical advice. It is a visualization and reference tool for educational purposes only. Always consult healthcare professionals for medical decisions. WHAT'S INSIDE Comprehensive Substance Database • 80+ substances across multiple categories • Published pharmacokinetic data (half-lives, metabolism pathways) • Mechanism of action explanations • Data quality indicators showing research confidence levels Interaction Checker • Check combinations of multiple substances • Understand potential interaction mechanisms • Color-coded risk levels based on published research • Plain-language explanations of why interactions matter Visual Timeline • See pharmacokinetic curves for substances • Understand onset, peak, and duration patterns • Multi-substance overlay visualization • Body load indicators Personal Context (Optional) • Add your biological factors for educational context • Weight, metabolism, and health considerations • Tolerance tracking • Current medications reference Research Citations • Every data point linked to published sources • PubMed IDs and DOIs for verification • FDA and WHO reference data • "Limited data" warnings for research chemicals CATEGORIES COVERED • Alcohol & Cannabinoids • Stimulants & Depressants • Psychedelics & Dissociatives • Prescription medications • Research chemicals (with appropriate warnings) • And more... SAFETY FEATURES • Emergency resources always accessible • SAMHSA helpline integration • Non-judgmental, educational framing • Privacy-first: all data stored locally on your device DESIGNED FOR • Harm reduction education • Healthcare students and professionals • Researchers and educators • Anyone seeking evidence-based substance information This app does NOT: • Provide dosing recommendations • Calculate "safe" times to drive • Facilitate procurement • Replace professional medical advice All information is compiled from peer-reviewed research and official sources. Users accept full responsibility for how they use this educational reference. 18+ only. By using this app, you acknowledge the terms and conditions presented at first launch. Questions or feedback? Contact us through the support link.

Know what you took, how it is likely to unfold, and what not to mix. Trippy is a private harm-reduction journal and reference for adults who have already made their own choices. It does not judge, and it does not encourage use. KNOW WHAT YOU TAKE • Knowledge Base: 596 substances with dosage ranges, duration phases, tolerance, interactions, addiction potential and toxicity, by route • Six guides, from Emergencies and Mixing Substances to Set and Setting, plus a list of drug checking services • Works offline: all reference data is built in, with source links on every page KNOW WHAT NOT TO MIX • Log something that pairs dangerously or unsafely with a substance still acting, and a warning card shows, every time • Tap it to read why, where to get help and what each source says FOLLOW EVERY PHASE • Doses close in time group into experiences, named from their substances and the time of day • One effect timeline for all your substances, with estimated come-up, peak and offset • While an experience is in progress, the Journal and a Live Activity on the Lock Screen and in the Dynamic Island show each substance's estimated phase SEE YOUR PATTERNS • A scrolling Calendar of your doses and mood, day by day • Stats for 30 days, 3 months, 6 months or a year: activity, mood, time of day and weekday • A tolerance estimate for each substance that names the day it drops near baseline • Sober Streak counts your days without recreational use, overall and for the substances you choose • Mark a substance or a custom unit as prescribed: prescribed and everyday doses stay in the background and never count against your streak MOOD AND NOTES • One Add screen for a dose or a mood entry, from any tab • Rate mood tags at three levels, with a time on every entry • Add timed notes to any experience • Log for a friend on a separate chart, kept out of your own stats PRIVATE BY DESIGN No account, no ads, no tracking, no analytics, no third-party SDKs. Your journal stays on your iPhone and its device backups unless you turn on optional iCloud Sync, encrypted through your private iCloud database. Add an App Lock with Face ID, Touch ID or your passcode, or switch to Private View to show only your mood journal. Switching from another journal app? Import its export: Trippy shows a preview and saves an export of your current journal before replacing it. ESTIMATES, NOT MEDICAL ADVICE Timelines and tolerance are estimates from bundled reference data, not predictions for you. Trippy is information, not medical advice, and does not recommend any substance, dose or pattern of use. For adults 18+. Always check with a healthcare professional.