# CodeRun vs Simple JavaScript

The clearest difference is chart position: Simple JavaScript at #199 against CodeRun's unranked. CodeRun's advantage is iOS requirement (12.0 vs 15.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. CodeRun sells 3 in-app purchases, starting at $0.99 per 7 days and Simple JavaScript sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

CodeRun ships an update every 5 weeks, Simple JavaScript monthly. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | CodeRun | Simple JavaScript |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | — | **#199** |
| Size | 40 MB | 54 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Dazhuo Information Technology Co., Ltd.](https://appshunter.io/developer/1470341377) | [YUKI TANAIKE](https://appshunter.io/developer/478558546) |

## What reviewers say

### CodeRun

[App page](https://appshunter.io/ios/app/coderun-code-snippet-run/id1541527450)

Run and edit code for hundreds of programming languages directly on your mobile device. Features instant execution, interactive debugging, and code sharing capabilities for developers, students, and enthusiasts.

**Highlights:** Supports 680 programming languages, Instant code execution, Interactive debugging, Code sharing and importing, Mobile code prototyping, Learning-friendly environment

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.99 | per 7 days |
| 3-day free trail | $2.99 | per month |
| Annual Subscription | $12.99 | per year |


### Simple JavaScript

[App page](https://appshunter.io/ios/app/simple-javascript/id6782952012)

**Currently charting:** #199 Top Grossing · Developer Tools (US App Store)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simple JavaScript Pro (Monthly) | $1.99 | per month |
| Simple JavaScript Pro (Annual) | $18.00 | per year |


## Frequently asked questions

### Is CodeRun free?

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

### Is Simple JavaScript free?

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

### Do CodeRun or Simple JavaScript have ads?

Neither CodeRun nor Simple JavaScript shows ads.

### Which is updated more often, CodeRun or Simple JavaScript?

CodeRun ships an update every 5 weeks, and Simple JavaScript monthly. Most recently, CodeRun was updated on September 22, 2026 and Simple JavaScript on September 21, 2026.

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