About this app
Sumo Sensei is an app for grand sumo fans covering basho results, rikishi, and rankings. Follow live bout results, daily schedules, and banzuke rankings across all six divisions. Rikishi pages include career stats, win rates, and head-to-head records. Forecasts estimate bout outcomes from historical and current match data, with snapshots preserved for completed tournaments. During active tournaments, play Pick 'Em, a free daily prediction game where you pick winners head-to-head and climb the global leaderboard. Enable push notifications for deadline reminders before each day's matches and a daily basho preview every morning. Features: • Live basho results and daily bout schedules • Banzuke rankings for all six divisions Rikishi profiles with career stats and win rates • Model-based bout forecasts and win probability charts • Forecast history preserved for completed bashos • Pick 'Em daily prediction game with global leaderboards • Sumo news feed with admin-authored coverage • Push notifications for Pick 'Em deadlines and daily previews • Spoiler-free mode to hide results until you watch Themes: light, dark, and auto (follows system setting) Sumo Sensei is a free, non-commercial fan project. No ads, no tracking, no wagering, no in-app purchases, or subscriptions. Sumo Sensei is not affiliated with, endorsed by, or sponsored by the Japan Sumo Association (JSA). Rikishi names, ranks, and records shown are drawn from publicly available data for informational purposes only.
Latest release
What’s New
• Rankings now cover all six divisions: Makuuchi, Juryo, Makushita, Sandanme, Jonidan, and Jonokuchi • Rikishi pages and lists now show nationality flags • Forecast history: completed bashos keep the predictions from when they ran, not a retroactive re-run • Auto theme option follows your system light/dark setting and updates live • Rikishi list defaults to Makuuchi + Juryo with a multi-select filter to add other divisions • Rikishi search now matches stable, nationality, birthplace, and numeric IDs in addition to name • Bout prediction page restricts selectors to active Makuuchi and Juryo rikishi only • Forecast index shows recently completed bashos alongside the current tournament • iOS footer safe area fixed for devices with a home indicator
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 21, 2026 · 12:05 AM Free
Screenshots
