Rally
Notes from the studio. How projects get scoped and priced, what shipping to the App Store actually involves, and the numbers behind our own products. Written for people who have to make these decisions.
Rally, by email
Just the good stuff. No spam.
PLAYBOOK7 Oct 2026PLAYBOOK6 Oct 2026PLAYBOOK12 Jul 2026
What is on-device AI, and does it actually keep your data private?
On-device AI runs on your phone's own chip, so what you type or photograph never leaves it. Since iOS 27, "built with Apple's AI" no longer guarantees that. How to tell, and how to choose.
How to run multiple AI coding agents in parallel without them overwriting each other
Give every agent its own git worktree and branch, then review each diff before you merge. The steps by hand, what Claude Code, Codex and Cursor automate, and the traps.
How to get a fixed-price quote for an app (and what it should include)
A fixed-price app quote that holds lists every screen and state, prices each line, adds a change budget, and moves anything unknown into paid discovery.