# Vifox vs Onyx

The clearest difference is in-app purchases: Onyx at none against Vifox's 4. Vifox's advantage is iOS requirement (15.0 vs 26.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Vifox sells 4 in-app purchases, starting at $24.99 per month. Onyx asks for nothing beyond the download.

Vifox ships an update every 2 weeks, Onyx every 3 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | Vifox | Onyx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/onyx-dark-mode/id6793454898/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 277 MB | 12 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Funny Dev](https://appshunter.io/developer/1606360583) | [Takaki Takemura](https://appshunter.io/developer/6793454900) |

## What reviewers say

### Vifox

[App page](https://appshunter.io/ios/app/vifox/id6772413362)

**Features:** macOS Compatibility, Apple Wallet, iMessage stickers, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vifox Solo Monthly | $24.99 | per month |
| Vifox Collab Monthly | $49.99 | per month |
| Vifox Team Monthly | $99.99 | per month |
| Vifox Company Monthly | $179.99 | per month |


### 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:** none


## Frequently asked questions

### Is Vifox free?

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

### Is Onyx free?

Onyx is free to download, with no in-app purchases.

### Do Vifox or Onyx have ads?

Neither Vifox nor Onyx shows ads.

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

Vifox ships an update every 2 weeks, and Onyx every 3 weeks. Most recently, Vifox was updated on October 25, 2026 and Onyx on October 25, 2026.

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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.*