Comparison

HTMLSource vs systemsoundtest

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

HTMLSource

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
Read full description

HTMLSource is a Safari Extension that helps you view and edit any website's HTML source code. Features: - View HTML source code - Edit HTML source code and see changes immediately Extras: - Dark Mode support - HTML syntax highlight - Keyword searching in HTML source code Steps to use HTMLSource: 1. Download HTMLSource from App Store 2. Open Safari 3. Go to any website 4. Click "Aa" or the Safari Extension icon in the search bar 5. Follow the instruction to enable HTMLSource 6. View or edit HTML source code

About

systemsoundtest

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
Read full description

This App offers an exciting way to explore iOS system sounds , featuring over 100 sound clips that you can play with a simple tap. Designed with a clean, modern interface, each button represents a different system sound, from familiar notification tones to rarely heard alerts. When you press a button, the corresponding sound plays instantly, giving you insight into the auditory world behind iOS devices. //Access to 100+ official iOS system sounds. //Sleek, user-friendly design with soft pink buttons for an aesthetically pleasing experience. //Real-time sound feedback with dynamic button color changes during playback. //AppDeveloper, sound designers, and anyone curious about system audio.

Screenshots

HTMLSource3 screens
systemsoundtest3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 7 level
HTMLSource versus systemsoundtest: the parameters behind the verdict, then further details
ParameterHTMLSourcesystemsoundtest
Price$0.99$0.49 — better
Rating3.0 (2 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings2 — better1
Update frequencyEvery 4 days — betterEvery 24 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank#85 — better#127
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.6
Further details — not scored
Size28 MB1 MB
Age rating4+4+
DeveloperHao-Quan LiuSHUNJI KUSAKA

Customer experience

HTMLSource

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

systemsoundtest

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

HTMLSource

No in-app purchases

None

systemsoundtest

No in-app purchases

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 #127. Chart position reflects recent download velocity rather than total install base.

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