# AdZero vs Onyx

The clearest difference is price: Onyx at Free against AdZero's $1.99. Onyx also leads on review sentiment (100% vs 67%). AdZero's advantage is in-app purchases (none vs 1) and update cadence (every 6 days vs every 3 weeks). On ads and device support there is nothing between them.

Onyx is free to download; AdZero costs $1.99 up front. Onyx sells 1 one-off in-app purchase. AdZero asks for nothing beyond the download.

AdZero ships an update every 6 days, Onyx every 3 weeks. The most recent releases landed on November 5, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | AdZero | Onyx |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/onyx-dark-mode/id6793454898/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 122 MB | 12 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [SANGSANGLYEOG](https://appshunter.io/developer/6775833421) | [Takaki Takemura](https://appshunter.io/developer/6793454900) |

## What reviewers say

### AdZero

[App page](https://appshunter.io/ios/app/adzero-clean-ad-free-web/id6791538991)

This app blocks Safari ads, popups, and trackers on your iPhone and iPad. It helps reduce distractions and unnecessary data usage by preventing ad resources from loading. Enjoy a cleaner browsing experience with a one-time purchase.

**Highlights:** Safari ad blocking, Tracker and analytics blocking, Customizable blocking rules, Element picker for hiding unwanted content, Optional encrypted DNS, Per-site exceptions

**Features:** Safari Extension

**In-app purchases:** none


### Onyx

[App page](https://appshunter.io/ios/app/onyx-dark-mode/id6793454898)

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:** Safari Extension

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Onyx Pro | $2.99 | one-time |


## Frequently asked questions

### Is AdZero free?

AdZero costs $1.99, with no in-app purchases.

### Is Onyx free?

Onyx is free to download, with in-app purchases available.

### Do AdZero or Onyx have ads?

Neither AdZero nor Onyx shows ads.

### Which is updated more often, AdZero or Onyx?

AdZero ships an update every 6 days, and Onyx every 3 weeks. Most recently, AdZero was updated on November 5, 2026 and Onyx on November 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*