Python Dimensions: Keyboard
On-Device Python Tutor
Free · Designed for iPad. Not verified for macOS.
New: a system-wide Python coder keyboard for any app. 400+ certified questions, on-device AI tutor, and Python 3.13. Your code and chats stay on your device.
"Points are vocabulary. Lines are syntax. Planes are logic. Construct your coding literacy in three dimensions."
Whether you are a liberal arts student starting from scratch, a university student preparing for TQC+, or a CS major aiming for CPE, Python Dimensions helps you build a solid programming foundation through systematic practice and strong privacy protection.
Designed with a unique "Japanese Stationery" aesthetic, this app combines the warmth of traditional paper-and-ink design with cutting-edge On-Device AI and a built-in Python Compiler, allowing you to immerse yourself in coding anytime, anywhere; your code stays on the device.
【1.3 New — System-wide Python Coder Keyboard】
• Python coder keyboard — A standalone keyboard extension. Type Python symbols (indent, quotes, operators, common syntax) directly in Notes, Mail, and any app.
• Onboarding flow — A welcome flow and learning-preference picker. Beginners can get started in seconds.
• Accessibility sweep — Full 44pt tap targets, aligned with Apple HIG accessibility guidelines.
• Expanded question bank — 120+ new questions, totaling 400+ curated items across PCEP, TQC+, and CPE.
【1.2 New — iPad Three-Column Playground】
• Three-Column Playground — Sidebar instantly switches between Templates / Cheatsheet / History; editor top-right, output bottom-right. Built for large screens.
• Full Keyboard Shortcuts — ⌘N new, ⌘R run, ⌘S save to history, ⌘E export .py, ⌘L clear output, ⌘K open snippets. Pair with a physical keyboard for max productivity.
• Smart History — Every successful run auto-saves to a 20-entry LRU history; no more Cmd+Z hunting.
• Native iPad Support — Optimised for portrait and landscape, also great on Apple Silicon Mac.
【Key Features】
3-Dimensional Training: Master Python Step-by-Step
Point (MCQ): Master fundamentals and vocabulary through multiple-choice questions.
Line (Cloze): Strengthen syntax structure by filling in key code segments.
Plane (Parsons): Train algorithmic logic by rearranging code blocks.
Your Personal On-Device AI Tutor
Powered by advanced Local LLMs and RAG technology.
The AI analyzes your mistakes to provide personalized hints and detailed explanations, guiding you to the solution without privacy risks.
Private by Default: Your AI chats, code, and learning data stay on your device. None of your content is ever sent to the cloud.
Portable Python Playground
Write and run code instantly with the built-in Python 3.13 runtime.
Includes 10 practical code templates and AI-powered code generation to bridge the gap between theory and practice.
Smart Review & Analytics Dashboard
Automatically tracks incorrect answers and visualizes weaknesses using Radar Charts and Knowledge Heatmaps across 8 dimensions.
Tailored for Certification Exams
Over 400 curated questions covering PCEP, TQC+, and CPE certifications.
Boost exam prep with "Concept Cards" and a "Keyword Dictionary".
【Support & Customization】
Adaptive Difficulty: Switch between "Easy Mode" and "Normal Mode" to match your learning pace.
AI Model Manager: Choose from 14 on-device AI models, including Vision-Language Models for image analysis, optimized for your device.
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More from the developer: English N+1 · Kana Juku · Auditory Companion · Gantt Planet — Search «ChengChe Lee» on the App Store.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
v1.3 — New system-wide Python coder keyboard. Type Python symbols (indent, quotes, operators) in Notes, Mail, any app. Question bank expanded to 400+ (PCEP / TQC+ / CPE), plus a new onboarding flow and full 44pt touch-target accessibility sweep.
The developer, chengche lee, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- chengche lee
- Size
- 115.9 MB
- Category
- Education
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 10 more
- English, French, German, Indonesian, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Traditional Chinese, Vietnamese
- Age Rating
4+
- 4+
- Copyright
- © 2026 Chengche Lee