Every Kosher iPhone includes a complete Daf Yomi setup as part of the KolBo ecosystem. Today's daf opens in one tap. The audio shiur from your chosen maggid shiur (MDY, OU, YU Torah, Chabad, pick your source) plays automatically at your chosen time. A review layer helps yesterday's daf stick.
What's in it
Today's daf
Current page of the daf yomi cycle, opened in the digital library with Rashi and Tosafot.
Audio shiurim
MDY (Rabbi Eli Stefansky), OU Torah, YU Torah, Kol Halashon daf shiurim — pick your source.
Yesterday's review
Optional spaced-repetition reminder: yesterday's daf, last week's daf, last month's daf.
Progress tracker
Shows where you are in the 7½-year cycle, masechet completion, amudim learned.
Siyum alerts
Heads-up before each masechet siyum, with local siyum events nearby.
How it's different from a standalone app
Standalone Daf Yomi apps exist. None of them come pre-installed on a frum-protected phone. On your Kosher iPhone, you never download an app, never log in, never reconfigure when upgrading phones. The daf is there when you unbox. It's there after a backup restore. It's there when your phone is replaced.
Part of the ecosystem. Never an accessory.