Comparison

Unix Timer vs Custom JS & CSS for Safari

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

Head to head
About

Unix Timer

Instantly access the current Unix timestamp with a live, full-screen clock. Customize the display with animated themes and colors. This native iOS app is designed for developers needing a fast and accurate timestamp tool.

Highlights
  • Instant timestamp copy
  • Full-screen live clock
  • Animated themes and colors
  • Swipe to change theme
  • iPhone and iPad support
Features
Read full description

Need the current Unix timestamp instantly? • Tap to copy timestamp instantly • Full-screen live Unix clock display • Beautiful animated themes and colors • Swipe to change theme • iPhone and iPad support Turn your iPhone or iPad into a developer's timestamp tool. Clean, fast, and accurate. Native Swift app designed specifically for iOS.

About

Custom JS & CSS for Safari

Personalize your web browsing experience by injecting custom JavaScript and CSS into any website. Automate tasks, apply visual tweaks, and manage userscripts directly within Safari.

Highlights
  • Add custom JavaScript
  • Add custom CSS
  • Site-specific rules
  • Userscript manager
  • iCloud sync
  • Privacy-first design
Features
Read full description

Custom JS & CSS for Safari is a powerful Safari Extension that lets you personalize the web with your own JavaScript, CSS, and userscripts. Create site-specific enhancements, visual tweaks, automations, and custom browsing tools directly in Safari. Features: · Add Custom JavaScript: Run your own JavaScript on any website directly in Safari. · Add Custom CSS: Style websites with your own CSS rules and visual tweaks. · Site-Specific Rules: Apply scripts and styles to a single domain, exact URL, all websites, or custom match patterns. · Run Scripts Manually or Automatically: Choose whether each script runs on its own or only when you activate it. · Userscript Manager: Import, organize, and run userscripts from popular userscript libraries like Greasy Fork. · Popup and Custom Editor: Add or edit scripts directly from the extension popup or in a dedicated custom editor. · iCloud Sync: Keep your scripts and styles synced across iPhone, iPad, and Mac using iCloud. · Privacy-first design: No data collection, tracking, or logging, your browsing stays completely private. · Multilingual support: Use the extension in multiple languages for a globally friendly experience. · Clean, user-friendly UI: Enjoy a streamlined design that integrates smoothly into your workflow. · Seamless Safari integration: Built to work flawlessly across Safari on macOS, iOS, and iPadOS.

Screenshots

Unix Timer4 screens
Custom JS & CSS for Safari4 screens

Verdict

The call

The clearest difference is price: Unix Timer at Free against Custom JS & CSS for Safari's $2.99. Unix Timer also leads on update cadence (every 3 days vs monthly). Custom JS & CSS for Safari's advantage is chart position (#37 vs unranked) and device support (4 vs 2). On rating, 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

Unix Timer is free to download; Custom JS & CSS for Safari costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Unix Timer against 5.0 for Custom JS & CSS for Safari. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

Unix Timer ships an update every 3 days, Custom JS & CSS for Safari monthly. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

Scorecard6 real differences · 4 level
Unix Timer versus Custom JS & CSS for Safari: the parameters behind the verdict, then further details
ParameterUnix TimerCustom JS & CSS for Safari
PriceFree — better$2.99
Rating5.0 (2 ratings)5.0 (1 ratings)
Number of ratings2 — better1
Update frequencyEvery 3 days — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
Best chart rank—#37 — better
DevicesiPhone, iPadiPhone, iPad, iPod, Mac — better
Requires iOS18.515.0 — better
Further details — not scored
Size1 MB10 MB
Age rating4+4+
DeveloperAndrew MoloneyAlfredo Grassau

Customer experience

Unix Timer

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Custom JS & CSS for Safari

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Unix Timer

No in-app purchases

None

Custom JS & CSS for Safari

No in-app purchases

Questions

Is Unix Timer free?
Unix Timer is free to download, with no in-app purchases.
Is Custom JS & CSS for Safari free?
Custom JS & CSS for Safari costs $2.99, with no in-app purchases.
Which has better reviews, Unix Timer or Custom JS & CSS for Safari?
Unix Timer and Custom JS & CSS for Safari are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do Unix Timer or Custom JS & CSS for Safari have ads?
Neither Unix Timer nor Custom JS & CSS for Safari shows ads.
Which is updated more often, Unix Timer or Custom JS & CSS for Safari?
Unix Timer ships an update every 3 days, and Custom JS & CSS for Safari monthly. Most recently, Unix Timer was updated on October 24, 2026 and Custom JS & CSS for Safari on October 31, 2026.

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