# No JavaScript vs Zelmux

The clearest difference is price: Zelmux at Free against No JavaScript's $4.99. Zelmux also leads on update cadence (every 3 weeks vs every 15 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Zelmux is free to download; No JavaScript costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

No JavaScript ships an update every 15 months, Zelmux every 3 weeks. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | No JavaScript | Zelmux |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 weeks** |
| Size | 15 MB | 6 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TCool LTD.](https://appshunter.io/developer/1711330864) | [Yang Zhang](https://appshunter.io/developer/1005259025) |

## What reviewers say

### No JavaScript

[App page](https://appshunter.io/ios/app/no-javascript-safari-blocker/id6747416930)

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

**In-app purchases:** none


### Zelmux

[App page](https://appshunter.io/ios/app/zelmux/id6768126927)

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

**In-app purchases:** none


## Frequently asked questions

### Is No JavaScript free?

No JavaScript costs $4.99, with no in-app purchases.

### Is Zelmux free?

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

### Do No JavaScript or Zelmux have ads?

Neither No JavaScript nor Zelmux shows ads.

### Which is updated more often, No JavaScript or Zelmux?

No JavaScript ships an update every 15 months, and Zelmux every 3 weeks. Most recently, No JavaScript was updated on October 6, 2026 and Zelmux on October 8, 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.*