# Nslookup vs HTML Web Preview

The clearest difference is ads: Nslookup at none against HTML Web Preview's shown. HTML Web Preview's advantage is iOS requirement (17.0 vs 26.5). On price, update cadence, 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.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Nslookup | HTML Web Preview |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Size | 1 MB | 8 MB |
| Requires iOS | 26.5 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ronald Guillen](https://appshunter.io/developer/1292093408) | [Do Yun Kim](https://appshunter.io/developer/6811644863) |

## What reviewers say

### Nslookup

[App page](https://appshunter.io/ios/app/nslookup-dns-records/id6794748854)

**Features:** Vision Pro support

**In-app purchases:** none


### HTML Web Preview

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Nslookup free?

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

### Is HTML Web Preview free?

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

### Do Nslookup or HTML Web Preview have ads?

HTML Web Preview shows ads; Nslookup does not.

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

Nslookup ships an update weekly, and HTML Web Preview weekly. Most recently, Nslookup was updated on October 15, 2026 and HTML Web Preview on October 16, 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.*