確率ジェネ vs BGM Extractor~

"Probability Calc" is a tool that calculates chances in lotteries, gacha pulls, and draws using statistical models. Main features • Hypergeometric distribution: chance of drawing hits • Cumulative binomial distribution: chance of k hits in n trials • Simple input with instant results Recommended uses • Estimate gacha pulls needed • Pack-opening hit simulation • Campaign win-rate check • Game design and learning Privacy No login needed. All data stays on your device. Ads are minimal.

Heard unforgettable music in a video but can’t use it as-is? BGM Extractor pulls clean background audio from your clips—trim it, split vocals and instrumental, and export for short-form edits, ringtones, and your library. FEATURES • Video to audio: import MP4 / MOV from Photos, export MP3 • Waveform trim: drag handles or enter time codes • Vocal / instrumental split: stereo phase processing, export both tracks • Audio trim: import MP3 / M4A / WAV and export clips • Format convert: MP3, M4A, WAV (network required) • My works: save, preview, and export locally FREE & PRO • Free: no ads; 3 vocal separations or format conversions per day; extract & trim preview are free • Pro: unlimited extract, split, and convert; HD quality by default; weekly / monthly / lifetime plans • Restore purchases supported; cancel subscriptions in Settings PRIVACY • Photos & Files access only to pick media and save exports • Some features upload media over HTTPS for processing; temporary server files are deleted on a schedule • We do not collect names, phone numbers, or other personal identifiers Separation quality depends on source material (stereo algorithm, not an AI model). For complex mixes, use a professional DAW. PRO SUBSCRIPTIONS & LEGAL (required by Apple — do not remove) • Pro Weekly: ¥12/week, auto-renewing subscription • Pro Monthly: ¥28/month, auto-renewing subscription • Pro Lifetime: ¥198, one-time purchase (non-subscription) • Payment is charged to your Apple ID upon confirmation of purchase • Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period in Settings → Apple ID → Subscriptions • Your account will be charged for renewal within 24 hours prior to the end of the current period; manage or cancel after purchase in the same menu • Privacy Policy: https://sj.xyysh.top/legal/yincui/privacy • Terms of Use (EULA): https://sj.xyysh.top/legal/yincui/terms