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Best Rational Matter Apps

151+ iOS apps curated and reviewed

4.6 avg rating
16 free apps
Updated July 2026

Juno is the household name in rational matter, but it's far from the only option. We track 151+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Rational Matter Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Juno – Python and JupyterJuno – Python and JupyterFree was $17.994.6★ (1.1K)NoYesAug 2026
2Learn to Code – TinkerstellarLearn to Code – TinkerstellarFree4.9★ (577)NoYesJul 2026
3Juno Connect: Jupyter ClientJuno Connect: Jupyter Client$4.99 was $9.994.6★ (633)NoNoAug 2026
4Menards®Menards®Free4.8★ (209K)NoNoAug 2026
5App Store ConnectApp Store ConnectFree4.7★ (15K)NoNoAug 2026
6Apple StoreApple StoreFree3.5★ (166K)NoNoAug 2026
7Power AppsPower AppsFree4.9★ (23K)NoNoAug 2026
8App Studio: Create an appApp Studio: Create an appFree4.4★ (2.4K)NoYesAug 2026

Top Picks for Rational Matter

Juno – Python and Jupyter#1

Juno – Python and Jupyter by Rational Matter Ltd

Notebook & script IDE with AI
Editor's Choice
🛠️ Developer Tools
4.6😐(1.1K ratings)
FreeIn-App Purchases
#41in Developer Tools
Juno – Python and Jupyter screenshot 1
Juno – Python and Jupyter screenshot 2
Juno – Python and Jupyter screenshot 3
Juno – Python and Jupyter screenshot 4
Juno – Python and Jupyter screenshot 5
Juno – Python and Jupyter screenshot 6

This app provides a full-featured Python coding environment for mobile devices. It supports both Python scripts and Jupyter notebooks, offering offline execution, code completion, and access to popular data science libraries.

What We Love

  • 🚀 Powerful Python app for iPhone and iPad
  • 🚀 Excellent for data science and machine learning
  • 🚀 Impressive Jupyter notebook performance
  • 👍 Sleek and elegant interface

Room to Improve

  • 🔒 Requires paid subscription to access full functionality
  • 🐛 Crashes frequently, especially when switching apps
  • 🐛 Buggy behavior with external file storage
Learn to Code – Tinkerstellar#2

Learn to Code – Tinkerstellar by Rational Matter

Interactive Coding Tutorials
Strong Contender
📚 Education
4.9😊(577 ratings)
FreeIn-App Purchases
Learn to Code – Tinkerstellar screenshot 1
Learn to Code – Tinkerstellar screenshot 2
Learn to Code – Tinkerstellar screenshot 3
Learn to Code – Tinkerstellar screenshot 4
Learn to Code – Tinkerstellar screenshot 5
Learn to Code – Tinkerstellar screenshot 6

Learn to code with interactive, hands-on Python labs that run directly on your device. Practice with real code, data, and APIs without needing internet or setup. Progress from basics to advanced topics like data analysis and machine learning at your own pace.

What We Love

  • 👍 Intuitive and user-friendly interface
  • 📚 Clear, well-written lessons and explanations
  • 💻 Ability to run code directly in the app
  • 🌐 Works offline seamlessly

Room to Improve

  • 🐛 Crashes on newer devices (M4 iPad Pro, Apple Vision Pro, iPadOS 18)
  • ❌ Limited interactivity and hands-on exercises
  • 💳 Unclear pricing structure and hidden payment walls
Juno Connect: Jupyter Client#3

Juno Connect: Jupyter Client by Rational Matter Ltd

Cloud Coding/Programming IDE
Worth Considering
🛠️ Developer Tools
4.6😊(633 ratings)
$4.99
#73in Developer Tools
Juno Connect: Jupyter Client screenshot 1
Juno Connect: Jupyter Client screenshot 2
Juno Connect: Jupyter Client screenshot 3
Juno Connect: Jupyter Client screenshot 4

Access powerful cloud-based computational environments from your mobile device. Connect to remote Jupyter servers, utilize extensive computing resources, and enjoy a full-featured code editor on your iPhone or iPad.

What We Love

  • 🚀 Great app for Jupyter notebooks
  • 👍 Clean, modern, and touch-friendly design
  • 🚀 Stable and reliable connection to remote servers
  • 💡 Allows coding on the go with iPad

Room to Improve

  • 🐛 Bugs with cell execution and output display
  • 🔒 Lacks support for Jupyter Lab and other file types
  • 👎 Limited functionality in free version

More Rational Matter apps to explore

4
Menards®
Menards®
Menards®
by Menard, Inc.
Free

Shop for home improvement products, manage your accounts, and plan projects. Access weekly ads, product details, and visualize items in your home with augmented reality. Organize lists and track orders for a convenient shopping experience.

Shop and access accountCreate and manage listsTrack orders
🛍️ Shopping
(209K)
free with in-app purchases
5
App Store Connect
App Store Connect
App Store Connect
For App Developers
Free

Manage your apps and submissions directly from your iPhone or iPad. Monitor sales, respond to reviews, manage testers, and generate marketing assets on the go. Receive important notifications about your app's performance and status.

App status and submission managementTester group and build managementSales and trends monitoring
🛠️ Developer Tools
(15K)
free
6
Apple Store
Apple Store
Apple Store
Shopping designed around you
Free

Discover and shop the latest Apple products with a personalized experience. Get tailored recommendations, track orders, and access support. Explore creative tips and book in-store sessions.

Personalized product recommendationsBrowse latest Apple productsOrder tracking
🛍️ Shopping
(166K)
free
7
Power Apps
Power Apps
Power Apps
by Microsoft Corporation
Free

Access custom business applications for work or school from any location. This app serves as a portal to a variety of tools, from campus maps and event registration to expense tracking and performance dashboards. Build and share your own low-code apps easily.

Access work or school apps anywhereCustomizable app portalEvent registration tools
💼 Business
(23K)
free
8
App Studio: Create an app
App Studio: Create an app
App Studio: Create an app
for Businesses, Orgs and Teams
Free

Easily create professional mobile web apps for your business, organization, or event without any coding knowledge. Design custom menus, add social feeds, integrate e-commerce, and publish your app.

No-code app builderCustomizable menus and iconsSocial media feed integration
💼 Business
(2.4K)
free with in-app purchases
9
Uzu, An Interactive Light Show
Uzu, An Interactive Light Show
Uzu, An Interactive Light Show
by Colordodge Labs
$3.99

Explore a generative design playground that combines math, physics, and art. Create dynamic light shows with interactive particle systems, customizable animations, and drawing modes. Experience endless possibilities for visual creation and interaction.

Generative particle systemReal-time animation modesInteractive 3D manipulation
🎬 Entertainment
(261)
paid
10
Tips & Tricks Pro - for iPhone
Tips & Tricks Pro - for iPhone
Tips & Tricks Pro - for iPhone
The Essential Companion
$2.99

Unlock your iPhone's full potential with comprehensive guides, daily updates on tech news, and app reviews. Discover hidden features, receive price drop alerts, and get privacy advice. This ad-free edition offers expert analysis and easy-to-understand tips for all iOS users.

Hundreds of iPhone guidesDaily tech news updatesApp and game reviews
📊 Productivity
(3.4K)
free with in-app purchases
11
Castro: Podcast App & Player
Castro: Podcast App & Player
Castro: Podcast App & Player
Queue & listen to pod episodes
Free

Manage and listen to your favorite podcasts with a smart queue system. Organize episodes, skip unwanted content, and enjoy features like CarPlay and chapter support. Unlock advanced tools with an optional subscription.

Smart episode queueCarPlay compatibilityTrim silence
📡 News
(9.2K)
freemium
12
Aesthetic: App icons & Widgets
Aesthetic: App icons & Widgets
Aesthetic: App icons & Widgets
Home Screen Theme Icon Changer
Free

Transform your iPhone's home screen with custom icons, widgets, and wallpapers. Explore diverse themes or create your own unique designs with AI-powered tools. Personalize your device to match any style or mood.

Icon customizationWidget libraryWallpaper collection
🎨 Graphics & Design
(45K)
subscription
13
Things 3
Things 3
Things 3
Organize your life
$9.99

This app helps you organize your life by planning your day, managing projects, and tracking progress toward your goals. It offers a clean interface to manage tasks, projects, and life areas, making it easy to focus on what matters.

To-Do managementProject organizationArea categorization
📊 Productivity
(28K)
paid
14
iGenapps: Apps made easy
iGenapps: Apps made easy
iGenapps: Apps made easy
DIY apps builder without code
Free

Create professional mobile apps without any coding knowledge. This tool allows you to design, customize, and publish your own app for business, events, or organizations. Enhance customer engagement and promotion with features like push notifications and social media integration.

No-code app developmentCustomizable design and menusSocial media feed integration
💼 Business
(1.5K)
freemium
15
Spatial Wallpapers 3D
Spatial Wallpapers 3D
Spatial Wallpapers 3D
3D, Liquid & AI Wallpapers
Free

Elevate your iPhone's lock screen with dynamic 3D, liquid, and AI-generated wallpapers. Experience depth effects, tilt-responsive visuals, and personalized creations. Enjoy daily updates with a wide variety of themes in stunning HD and 4K quality.

Spatial 3D wallpapers with depth effectLiquid effects that react to tiltAI wallpaper generator from text prompts
🎬 Entertainment
(10K)
free with in-app purchases
16
Good Grapher - scientific graphing calculator
Good Grapher - scientific graphing calculator
Good Grapher - scientific graphing calculator
by Iurii Mozharovskyi
Free

This powerful scientific graphing calculator assists with calculations from school to professional work. It offers advanced scientific functions, 2D and 3D graphing capabilities, and a math solver for polynomials and systems of equations.

Scientific calculator with history2D and 3D graphingPolynomial and linear equation solver
📚 Education
(119)
free
17
4biddenknowledge TV
4biddenknowledge TV
4biddenknowledge TV
Conscious streaming TV
Free

Explore the universe's mathematical codes and ancient mysteries through engaging programs. Discover content on yoga, meditation, and historical artifacts to deepen your understanding of the divine nature of your soul. This platform offers enlightenment through entertainment with exclusive footage and insights.

Explore mathematical codes of the universeYoga and meditation programsInquire into ancient texts and glyphs
🎬 Entertainment
(2K)
subscription
18
Calculator +ㅤ
Calculator +ㅤ
Calculator +ㅤ
Math, Scientific & Fraction
Free

This app simplifies math with basic, scientific, and fraction calculations. It also features a unique snap-and-scribble function to solve problems from photos. Customize your experience with themes and access a calculation history.

Snap and Scribble CalculatorBasic CalculatorScientific Calculator
🔧 Utilities
(4.5K)
subscription
19
Mockup - UI/UX Design
Mockup - UI/UX Design
Mockup - UI/UX Design
Sketch, Wireframe, Prototype
Free

Design and prototype user interfaces and user experiences for apps and websites. Sketch ideas with Apple Pencil, create detailed wireframes with pre-set elements, and build interactive prototypes. Collaborate with others and export your designs in various formats.

Flexible canvas with device framesSketching tools with Apple Pencil supportWireframing with a library of preset elements
🎨 Graphics & Design
(535)
free with in-app purchases
20
Ncalc - Graphing Calculator 84
Ncalc - Graphing Calculator 84
Ncalc - Graphing Calculator 84
Intended for use with Ti-84
Free
$4.99 | 100% OFF

This app offers a comprehensive graphing and scientific calculator experience, mimicking the functionality of a Ti-84. It includes advanced features for graphing, symbolic calculations, equation solving, and extensive statistical analysis. Users can upgrade for full access to all capabilities.

Graphing calculator with function, polar, and parametric plotsScientific calculator with computer algebra systemEquation solver for various equation types
📚 Education
(4.9K)
freemium

FAQ about Rational Matter

What are the best rational matter apps for iPhone?
Juno – Python and Jupyter tops our rational matter apps ranking as of July 2026, with a 4.6-star average from 1.1K App Store ratings, and it's free to download.
Yes — 16 of the top rational matter apps we rank are free to download, including Juno – Python and Jupyter and Learn to Code – Tinkerstellar.
Juno – Python and Jupyter has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 151+ rational matter apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides a comprehensive Python coding environment for your mobile device. You can write and execute Python scripts (.py) and Jupyter notebooks (.ipynb) offline. It includes features like code completion, a console with terminal support, and integration with popular data science libraries.
This application is designed for iPad and iPhone, providing a first-class citizen app experience on both platforms. It leverages the capabilities of these devices for a seamless coding workflow.