# Juno Connect vs CodeMaster

The clearest difference is price: CodeMaster at Free against Juno Connect's $4.99. Juno Connect's advantage is in-app purchases (none vs 3) and review sentiment (69% vs 44%). On rating, update cadence, ads and device support there is nothing between them.

CodeMaster is free to download; Juno Connect costs $4.99 up front. CodeMaster sells 3 in-app purchases, starting at $1.99 per 7 days. Juno Connect asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Juno Connect against 4.6 for CodeMaster. Both are backed by a comparable volume of ratings — 633 and 140 respectively. Written reviews are what separate them: 69% of Juno Connect's written reviews are positive against 44% of CodeMaster's.

Juno Connect ships an update every 5 weeks, CodeMaster monthly. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Juno Connect | CodeMaster |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.6 (633 ratings)](https://appshunter.io/ios/app/juno-connect-jupyter-client/id1315744137/reviews) | [4.6 (140 ratings)](https://appshunter.io/ios/app/codemaster-mobile-coding-ide/id1514942957/reviews) |
| Number of ratings | **633** | 140 |
| Positive reviews | **69.0% of reviews** | 44.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | **Paid** | Subscription |
| Best chart rank | **#11** | #179 |
| Size | 15 MB | 1.5 GB |
| Requires iOS | **13.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Rational Matter Ltd](https://appshunter.io/developer/1315744136) | [Shanghai Dazhuo Information Technology Co., Ltd.](https://appshunter.io/developer/1470341377) |

## What reviewers say

### Juno Connect

[App page](https://appshunter.io/ios/app/juno-connect-jupyter-client/id1315744137)

**Currently charting:** #11 Top Paid · Developer Tools, #109 Top Grossing · Developer Tools (US App Store)

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.

**Highlights:** Connect to cloud computing services, Configure custom remote Jupyter servers, Secure SSH tunneling, Full-featured code editor, iPad multitasking support, Dark Mode and Dynamic Type

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 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
- 👍 Responsive developer support

**What reviewers complain about**

- 🐛 Bugs with cell execution and output display
- 🔒 Lacks support for Jupyter Lab and other file types
- 👎 Limited functionality in free version
- 👎 Keyboard and navigation issues in landscape mode
- 🐛 Unreliable connection to some remote servers

**Reported bugs**

- Fails to display notebooks
- Crashes and freezes
- Incompatibility with latest Jupyter versions
- Issues with Korean and other non-English input

**Requested features**

- Support for Google Colab and other cloud platforms
- Ability to edit text files and Python scripts
- Tabbed interface for working with multiple notebooks
- Improved terminal functionality and integration
- Option to adjust font size and theme


### CodeMaster

[App page](https://appshunter.io/ios/app/codemaster-mobile-coding-ide/id1514942957)

**Currently charting:** #179 Top Grossing · Developer Tools (US App Store)

A professional mobile code editor and development tool for iOS. It offers comprehensive code browsing, editing, and management features, along with integrated tools for remote connections, database design, and GitHub integration.

**Highlights:** File management and browser, VS Code core Monaco editor, GitHub integration, Code snippet management, Database design tool, SSH client and SFTP

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Membership | $1.99 | per 7 days |
| Monthly subscription | $3.99 | per month |
| Annual Subscription | $20.99 | per year |


## Frequently asked questions

### Is Juno Connect free?

Juno Connect costs $4.99, with no in-app purchases.

### Is CodeMaster free?

CodeMaster is free to download, with in-app purchases available.

### Which has better reviews, Juno Connect or CodeMaster?

Juno Connect and CodeMaster are both rated 4.6 out of 5 on the App Store, from 633 and 140 ratings respectively.

### Do Juno Connect or CodeMaster have ads?

Neither Juno Connect nor CodeMaster shows ads.

### Which is updated more often, Juno Connect or CodeMaster?

Juno Connect ships an update every 5 weeks, and CodeMaster monthly. Most recently, Juno Connect was updated on October 11, 2026 and CodeMaster on October 10, 2026.

### Which is more popular, Juno Connect or CodeMaster?

Juno Connect currently peaks at #11 in the App Store charts, and CodeMaster at #179. Chart position reflects recent download velocity rather than total install base.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*