# HTMLSource vs Device Information Tool

The clearest difference is update cadence: HTMLSource at every 4 days against Device Information Tool's every 2 months. On price, ads, in-app purchases and chart position there is nothing between them.

HTMLSource costs $0.99 and Device Information Tool $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HTMLSource ships an update every 4 days, Device Information Tool every 2 months. The most recent releases landed on September 14, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | HTMLSource | Device Information Tool |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/htmlsource/id1661026537/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Paid | — |
| Best chart rank | **#90** | #108 |
| Size | 28 MB | 6 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Hao-Quan Liu](https://appshunter.io/developer/1642352890) | [Kudit LLC](https://appshunter.io/developer/284146896) |

## What reviewers say

### HTMLSource

[App page](https://appshunter.io/ios/app/htmlsource/id1661026537)

**Currently charting:** #90 Top Paid · Developer Tools (US App Store)

View and edit the HTML source code of any website directly within Safari. This extension offers syntax highlighting, keyword searching, and immediate visual feedback for your edits.

**Highlights:** View HTML source code, Edit HTML source code, Immediate change preview, HTML syntax highlighting, Keyword searching in source, Dark Mode support

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

**In-app purchases:** none


### Device Information Tool

[App page](https://appshunter.io/ios/app/device-information-tool/id6736626499)

**Currently charting:** #108 Top Paid · Developer Tools (US App Store)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HTMLSource free?

HTMLSource costs $0.99, with no in-app purchases.

### Is Device Information Tool free?

Device Information Tool costs $0.99, with no in-app purchases.

### Do HTMLSource or Device Information Tool have ads?

Neither HTMLSource nor Device Information Tool shows ads.

### Which is updated more often, HTMLSource or Device Information Tool?

HTMLSource ships an update every 4 days, and Device Information Tool every 2 months. Most recently, HTMLSource was updated on September 14, 2026 and Device Information Tool on September 19, 2026.

### Which is more popular, HTMLSource or Device Information Tool?

HTMLSource currently peaks at #90 in the App Store charts, and Device Information Tool at #108. Chart position reflects recent download velocity rather than total install base.

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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.*