# JavaScript Manual vs Developer

The clearest difference is update cadence: Developer at daily against JavaScript Manual's every 31 months. JavaScript Manual's advantage is iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

JavaScript Manual ships an update every 31 months, Developer daily. The most recent releases landed on September 20, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | JavaScript Manual | Developer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/javascript-manual/id6476828541/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Daily** |
| Monetization | Free | — |
| Size | 34 MB | 1 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Hua Yang](https://appshunter.io/developer/1497666891) | [Mannon Wallace](https://appshunter.io/developer/1695318150) |

## What reviewers say

### JavaScript Manual

[App page](https://appshunter.io/ios/app/javascript-manual/id6476828541)

An offline, ad-free guide to JavaScript, covering its core guide, built-in objects, and Web API. Access comprehensive documentation without an internet connection.

**Highlights:** JavaScript guide, Built-in objects, Web API documentation, Offline access, Ad-free experience

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

**In-app purchases:** none


### Developer

[App page](https://appshunter.io/ios/app/developer-tools/id6739995108)

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

**In-app purchases:** none


## Frequently asked questions

### Is JavaScript Manual free?

JavaScript Manual is free to download, with no in-app purchases.

### Is Developer free?

Developer is free to download, with no in-app purchases.

### Do JavaScript Manual or Developer have ads?

Neither JavaScript Manual nor Developer shows ads.

### Which is updated more often, JavaScript Manual or Developer?

JavaScript Manual ships an update every 31 months, and Developer daily. Most recently, JavaScript Manual was updated on September 20, 2026 and Developer on September 9, 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.*