# Sifr IDE vs HTML Web Preview

The clearest difference is in-app purchases: HTML Web Preview at none against Sifr IDE's 7. Sifr IDE's advantage is ads (none vs shown) and update cadence (daily vs weekly). On price and device support there is nothing between them.

Both are free to download. Sifr IDE sells 7 in-app purchases, starting at $19.99 per month. HTML Web Preview asks for nothing beyond the download.

Sifr IDE ships an update daily, HTML Web Preview weekly. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Sifr IDE | HTML Web Preview |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Weekly |
| Size | 48 MB | 8 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mohammed Al-Sulaiti](https://appshunter.io/developer/1867508126) | [Do Yun Kim](https://appshunter.io/developer/6811644863) |

## What reviewers say

### Sifr IDE

[App page](https://appshunter.io/ios/app/sifr-ide/id6757862423)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sifr Pro | $19.99 | per month |
| Pro Plus Monthly | $49.99 | per month |
| Sifr Max | $199.99 | per month |
| Top-Up $10 | $9.99 | one-time |
| Top-Up $25 | $24.99 | one-time |
| Top-Up $50 | $49.99 | one-time |
| Top-Up $100 | $99.99 | one-time |


### HTML Web Preview

[App page](https://appshunter.io/ios/app/html-web-preview-js-css-json/id6811644861)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sifr IDE free?

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

### Is HTML Web Preview free?

HTML Web Preview is free to download, with no in-app purchases.

### Do Sifr IDE or HTML Web Preview have ads?

HTML Web Preview shows ads; Sifr IDE does not.

### Which is updated more often, Sifr IDE or HTML Web Preview?

Sifr IDE ships an update daily, and HTML Web Preview weekly. Most recently, Sifr IDE was updated on September 29, 2026 and HTML Web Preview on October 2, 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.*