Comparison

Simple JavaScript vs Neuro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Simple JavaScript

Features
Read full description

“Want to try code while you’re on the go?” This app is a simple JavaScript editor and runtime designed for smartphones. It provides a powerful code editor with syntax highlighting, allowing you to write and run JavaScript code instantly. It is suitable for everything from learning JavaScript to practical coding and testing. Common use cases include: * Learning JavaScript * Programming practice * Learning web development * Studying algorithms * Testing code snippets * Verifying sample code * Taking JavaScript notes * Creating scripts * Testing functions * Writing code for technical blogs * Training and workshops * Building prototypes * Managing code snippets * Experimenting with new ideas * Creating a simple testing environment during development JavaScript can be used in many different ways, and this app helps you quickly write, test, and manage your code. If you are looking for a JavaScript editor and runtime, give it a try. ■ Features • Intuitive Interface Simple tools should be easy to use. The editor is designed to be fast, responsive, and comfortable for everyday coding. • Run Code Instantly Execute JavaScript code with a single tap. View output and error messages immediately. • Code Auto Completion Built-in code completion helps you write code more efficiently. • Code Formatting Automatically format your code to improve readability and maintain a clean coding style. • Find and Replace Search and replace text within your code quickly and easily. • Code Folding Collapse and expand code blocks to make large files easier to navigate. • Easy Cursor Navigation Move the cursor using directional controls for more precise editing. • Automatic Saving Your code is automatically saved while editing, so you never have to worry about losing changes. • Ready to Use No account registration is required. Start coding immediately after installation. • Export and Share Export and share your code with others. Useful for backups and editing on different devices. • Dark Theme Support Supports dark mode for comfortable coding day and night.

About

Neuro

Fine-tune AI language models directly on your iPhone or iPad without cloud servers. Choose a base model and dataset to train a specialized version locally, utilizing Apple's Neural Engine and GPU. This free, open-source app offers real-time training progress and operates entirely offline.

Highlights
  • Local AI model fine-tuning
  • Built-in model catalog
  • Custom dataset support
  • Five training intensity levels
  • Real-time training metrics
  • Fully offline operation
  • Free and open source
Features
Read full description

Neuro lets you fine-tune real AI language models directly on your iPhone — no cloud, no servers, no data leaving your device. Pick a base model from the built-in catalog, choose a dataset (or bring your own), and train a specialized version tuned to your task. Everything runs locally using Apple's Neural Engine and GPU, powered by RWKV — an efficient architecture built for on-device use. FEATURES • Browse and download open models and datasets • Five training intensity levels, from light head-tuning to deep fine-tuning • Real-time training progress: loss, accuracy, memory usage • Fully offline — your data never leaves your device • Free and open source Neuro is built for people who want to experiment with real machine learning on real hardware, without renting a GPU or sending data anywhere. Whether you're a student, a researcher, or just curious how fine-tuning works, Neuro gives you a hands-on, private way to do it. This is an early release — expect rough edges, and expect it to get better. Feedback and contributions are welcome on GitHub.

Screenshots

Simple JavaScript4 screens
Neuro4 screens

Verdict

The call

The clearest difference is in-app purchases: Neuro at none against Simple JavaScript's 2. Simple JavaScript's advantage is iOS requirement (15.6 vs 26.5). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Simple JavaScript sells 2 in-app purchases, starting at $1.99 per month. Neuro asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Simple JavaScript versus Neuro: the parameters behind the verdict, then further details
ParameterSimple JavaScriptNeuro
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better26.5
Further details — not scored
Size54 MB24 MB
Age rating4+9+
DeveloperYUKI TANAIKEAleksei Goncharov

In-app purchases

2 purchases

Simple JavaScript

Subscriptions2
  • Simple JavaScript Pro (Monthly)$1.991 Month
  • Simple JavaScript Pro (Annual)$18.001 Year
None

Neuro

No in-app purchases

Questions

Is Simple JavaScript free?
Simple JavaScript is free to download, with in-app purchases available.
Is Neuro free?
Neuro is free to download, with no in-app purchases.
Do Simple JavaScript or Neuro have ads?
Neither Simple JavaScript nor Neuro shows ads.

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