One term. Every day. Built for people who build.
Builder vocabulary on iPhone. Choose your level. Learn from the screen in front of you. Your files stay on your device.
App Store coming soon
146 hand-written terms. Built with SwiftUI for iOS 27.
Few-shot Prompting
Showing a model a handful of examples so it infers the pattern you want.
One a day. Color-coded by craft.
Every term lands as a full-screen card you can read in thirty seconds. Each topic owns its own color, so the language sticks.
Perceived Performance
How fast an interface feels to the user, regardless of actual load times.
Edge Case
A scenario at the extreme limits of normal use. It breaks the happy path.
Iteration
A follow-up prompt that refines a previous result. Each round gets you closer.
Retrieval
Fetching relevant context before the model answers. The R in RAG.
Set your level. Own the language.
Pick Core, Builder, or Deep. Turn topics on or off. Your daily term and quizzes follow the level you set.
Skill-adaptive onboarding. Three clear levels. Nine topic mixes.
Your level
Set your level
Core
The essential vocabulary
Builder
Working terms you ship with
Deep
Research-grade language
Topics
Learn from what's in front of you.
Point your iPhone at a screen with Visual Intelligence. Highlight text in Safari and open the term in Prompthaus. Import a PDF, Swift file, or photo from your project. Vocabulary pulled from the work you already do.
Built for Visual Intelligence, App Intents, and Siri on iOS 27.
Visual Intelligence
def build_chain(steps):
for s in steps:
ctx = retriever.query(s)
out = model.generate(ctx)
On screen
Retriever
The component that fetches relevant context before the model answers. The R in RAG.
Your words stay on your iPhone.
Apple Intelligence runs on your device. Your Work stays in Your Work. Camera captures are analyzed locally, then discarded. When you need more power, Private Cloud Compute steps in on Apple's terms.
On-device Foundation Models. Private Cloud Compute when you opt in.
Your Work
Produce technical learning with private resources.
Docs, code, slides, or live technical photos · on device · longer files may use Apple Private Cloud · 15 MB max