Jargonaut: Dev Vocabulary

Kauzin

In-app purchases

About this app

Jargonaut teaches the vocabulary of software engineering. Learn dev terms through short daily missions with clear definitions, analogies and quick quizzes.

WHAT YOU'LL LEARN
Build fluency across 8 domains of engineering:
- Architecture: microservices, monoliths, system design, scalability
- Code Craft: SOLID, TDD, refactoring, testing, debugging
- Data & Storage: databases, indexing, caching, transactions, NoSQL
- DevOps: CI/CD, containers, infrastructure as code, monitoring
- AI/ML: machine learning, neural networks, recommendation systems
- Plus Networking, Security and Team Process

HOW IT WORKS
- Learn one concept per mission in five steps: the term, what it means, an everyday analogy, how it's used in the real world, then a debrief quiz.
- Answer multiple-choice, fill-in-the-blank, matching and scenario questions with instant, explained feedback.
- Choose your track when you start - "I'm a developer" or "I work with developers" - and get examples tailored to your role.

STAY CONSISTENT
- Keep a daily streak and level up your rank from Cadet to Jargonaut by earning Signal points.
- Collect Bronze, Silver and Gold badges in each domain.
- Reinforce what you've learned with word games such as Hangman.

WHO IT'S FOR
- Junior and senior developers sharpening their technical fluency.
- Bootcamp graduates and students preparing for interviews.
- Product managers, designers and founders who collaborate with engineering teams.

JARGONAUT PRO
A free tier lets you explore one domain fully. Upgrade to Pro to unlock all 8 domains, every mission and badges across all domains, available as a monthly, annual or lifetime plan. Optional coin packs let you save a broken streak.

Prices vary by region and are shown before you buy. Subscriptions renew automatically unless cancelled.

Start speaking the language of engineering with confidence - three missions a day.

What’s new

Fixed a bug that could leave the app stuck on the loading screen after updating
from an earlier version. Your Signal, streak and progress are all intact and
come back with this update.