# HTMLSource vs systemsoundtest

The clearest difference is review sentiment: systemsoundtest at 100% against HTMLSource's 0%. systemsoundtest also leads on rating (5.0 vs 3.0). HTMLSource's advantage is update cadence (every 4 days vs every 24 months) and iOS requirement (15.0 vs 18.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

HTMLSource costs $0.99 and systemsoundtest $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

systemsoundtest holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 0% of HTMLSource's written reviews are positive against 100% of systemsoundtest's.

HTMLSource ships an update every 4 days, systemsoundtest every 24 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | HTMLSource | systemsoundtest |
| --- | --- | --- |
| Price | $0.99 | **$0.49** |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/htmlsource/id1661026537/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/systemsoundtest/id6737198486/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 24 months |
| Monetization | Paid | Paid |
| Best chart rank | **#85** | #126 |
| Size | 28 MB | 1 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hao-Quan Liu](https://appshunter.io/developer/1642352890) | [SHUNJI KUSAKA](https://appshunter.io/developer/1738810004) |

## What reviewers say

### HTMLSource

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

**Currently charting:** #85 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


### systemsoundtest

[App page](https://appshunter.io/ios/app/systemsoundtest/id6737198486)

**Currently charting:** #126 Top Paid · Developer Tools (US App Store)

Explore over 100 official iOS system sounds with a clean, modern interface. Tap buttons to instantly play notification tones and alerts, with dynamic visual feedback.

**Highlights:** Over 100 official iOS system sounds, Instant sound playback, Clean, user-friendly interface, Dynamic button color changes, Explore notification tones and alerts

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

**In-app purchases:** none


## Frequently asked questions

### Is HTMLSource free?

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

### Is systemsoundtest free?

systemsoundtest costs $0.49, with no in-app purchases.

### Which has better reviews, HTMLSource or systemsoundtest?

systemsoundtest is rated higher. HTMLSource averages 3.0 out of 5 from 2 ratings, while systemsoundtest averages 5.0 from 1 ratings.

### Do HTMLSource or systemsoundtest have ads?

Neither HTMLSource nor systemsoundtest shows ads.

### Which is updated more often, HTMLSource or systemsoundtest?

HTMLSource ships an update every 4 days, and systemsoundtest every 24 months. Most recently, HTMLSource was updated on November 3, 2026 and systemsoundtest on October 30, 2026.

### Which is more popular, HTMLSource or systemsoundtest?

HTMLSource currently peaks at #85 in the App Store charts, and systemsoundtest at #126. 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.*