Solo dev ships iOS app SinceWhen with a 3-model AI stack over 6 months
wahvinci · reddit · 2026-10-12
A solo developer explains how a multi-model AI stack carried his native iOS app SinceWhen — an "anti-habit" counter for irregular chores — to launch in 6 months: Claude Opus 4.7 + GPT-5.3 codex as lead engineers for core Swift/SwiftUI, the PatternAware engine and WidgetKit/Siri Shortcuts; Gemini 3.1 Pro as marketing director for App Store copy and keyword-aware localization into German, Japanese, and Spanish; GPT-5.3 codex for brainstorming the anti-streak positioning. He offers to share prompts and workflows.
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