Comparison

Onyx vs Sub Security

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

Head to head
About

Onyx

This Safari extension for iOS applies a dark mode to all websites, blocks ads, and reduces blue light. It offers customizable themes and scheduling for a more comfortable browsing experience, especially at night.

Highlights
  • Force Dark Mode on all websites
  • 7 built-in themes plus custom colors
  • Built-in ad blocker
  • Blue light reduction filter
  • Scheduled Dark Mode activation
  • Per-site settings
  • iCloud settings sync
Features
Read full description

Onyx is a Safari extension for iOS that brings Dark Mode to every website while blocking ads, reducing blue light, and automatically enabling on your schedule. Features • Force Dark Mode on all websites • 7 built-in themes plus custom color creation • Built-in ad blocker for faster, cleaner browsing • Blue light reduction filter • Schedule mode: Automatically enables Dark Mode at the times you set • Per-site settings: Always On, Always Off, or Default • Sync your settings across devices with iCloud Comfortable Browsing at Night Reduce eye strain from nighttime screen use. Set your preferred hours and Onyx automatically turns on Dark Mode for a more comfortable browsing experience. How to Use 1. Install the app. 2. Go to Settings → Safari → Extensions and enable Onyx. 3. Tap the Onyx icon in Safari's toolbar to customize your settings.

About

Sub Security

Features
Read full description

Sub Security is your all-in-one privacy companion for iPhone. Stay safer online, reduce distractions, and keep personal content out of sight — all from a clear security dashboard. VPN — browse privately Connect through an encrypted tunnel for safer browsing on public Wi‑Fi and everyday networks. Switch servers and keep your connection protected wherever you go. Ad Block — cleaner browsing Cut down on ads, pop-ups, and tracking noise for a faster, less cluttered experience across Safari. Private Browser — leave no trail Search and browse without saving history, cookies, or trackers. Open a clean session whenever you want more privacy. Photo Vault — lock what matters Store private photos and videos behind a passcode so they stay hidden from prying eyes. Study Room — learn to stay safe Read short cybersecurity tips on passwords, phishing, public Wi‑Fi, and everyday privacy habits. Security score at a glance See your protection level on the home screen and turn features on as you need them. Build stronger habits with simple tools designed for daily use. Whether you’re on café Wi‑Fi, clearing clutter from the web, or locking personal photos, Sub Security helps you take control of your privacy in a few taps. Download Sub Security and start protecting your digital life today. Privacy Policy and Terms Of Use https://docs.google.com/document/d/1kCYE-wQEp2A4fmqUhfjVH2_JVXT42fQ2JWQaW7EBi1U/edit?usp=sharing

Screenshots

Onyx4 screens
Sub Security4 screens

Verdict

The call

The clearest difference is iOS requirement: Sub Security at 18.0 against Onyx's 26.2. On price, ads, in-app purchases and device support 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

Both are free to download. Onyx sells 1 one-off in-app purchase and Sub Security sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 9 level
Onyx versus Sub Security: the parameters behind the verdict, then further details
ParameterOnyxSub Security
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — betteriPhone
Requires iOS26.218.0 — better
Further details — not scored
Size12 MB9 MB
Age rating17+17+
DeveloperTakaki TakemuraSONATA COMMERCE LP

In-app purchases

1 purchases

Onyx

One-time1
  • Onyx Pro$2.99
2 purchases

Sub Security

Subscriptions2
  • Sub Security Subscription Week$5.997 Days
  • Sub Security Subscription Year$59.991 Year

Questions

Is Onyx free?
Onyx is free to download, with in-app purchases available.
Is Sub Security free?
Sub Security is free to download, with in-app purchases available.
Do Onyx or Sub Security have ads?
Neither Onyx nor Sub Security shows ads.

Other comparisons