StatThor vs Terpsi

Master Statistics with Ease – Now with AI & Tutor Support! StatThor is your all-in-one companion for statistics: powerful calculators, instant data visualizations, built-in references, and now AI-powered explanations and real tutor chat to help you truly understand every step. Whether you’re a student preparing for exams, an educator clarifying concepts, or a data enthusiast analyzing trends, StatThor makes statistics faster and clearer than ever. Key Features Core Statistics Tools • Quickly compute mean, median, variance, standard deviation, quartiles, and more. • Probability distributions: Bernoulli, Binomial, Poisson, Geometric, Exponential, Uniform, and Normal. • Data visualizations: generate boxplots, histograms, and regression lines with ease. Advanced Analysis • Estimate confidence intervals for means and proportions. • Perform hypothesis testing for means and proportions. • Access built-in formulas and reference tables for Z, T, Chi-square, and F-distributions. Why Choose StatThor? • Learn smarter with AI explanations that clarify each calculation. • Get support with tutor chat when you need a human to guide you. • Work faster with accurate calculations and ready-made visualizations. • Stay prepared with all your statistical references in one place. Free with Premium Options Download StatThor for free today. Upgrade to unlock premium features, extended AI usage, and more tutor access for maximum learning power. StatThor – statistics simplified, explained, and supported.

Terpsi turns the dance clips buried in your camera roll into moves you actually remember. LEARN IT, THEN KEEP IT Grade each clip as you learn it and Terpsi schedules the review for you. Recall sessions resurface the moves you are about to forget, right on time, so the work sticks instead of scrolling past. • Mastery grading that adapts to how well you know each move • Spaced recall that brings clips back at the perfect moment • A Profile that tracks your growing repertoire, study time, and a progress heatmap STUDY EVERY DETAIL • Step frame by frame in a distraction-free player • Trim to the exact move and keep the original forever • Reframe: crop, rotate, and mirror STAY ORGANIZED • Custom tags for style, figure, song, and teacher • A filter panel and multi-select bulk actions • Import from Photos, drag and drop, the in-app camera, screen recording, or the Share extension FREE, WITH ONE OPTIONAL UPGRADE Terpsi is free: import, record, tag, trim, frame-by-frame study, share, and backup and restore. A single one-time purchase, Terpsi Plus, unlocks the tools for serious practice: • Side-by-side Compare: play two clips in sync, your take next to a reference, and frame-step both together • iCloud sync: your clips and tags stay in sync across iPhone and iPad, and restore automatically on a new device • Apple Watch: send curated clips to your wrist and review choreography away from your phone • On the floor: your Apple Watch dance nights, read from Apple Health into your dance log. Logging a night by hand is free for everyone. • Home-screen widgets: your repertoire, activity, and due reviews at a glance Terpsi Plus is a one-time purchase, never a subscription. PRIVATE BY DESIGN Your videos stay on your device and in your private iCloud. They never touch our servers. No ads, no feed, no cross-app tracking. Made for social and partner dancers (salsa, bachata, kizomba, zouk, west coast swing, tango), plus heels, hip-hop, K-pop, ballet, choreography teams, teachers, and students.