# Defyx vs sing

The clearest difference is in-app purchases: sing at none against Defyx's 5. sing also leads on ads (none vs shown) and review sentiment (94% vs 81%). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Defyx sells 5 one-off in-app purchases. sing asks for nothing beyond the download.

sing holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 55 and 149 respectively. Written reviews point the same way: 81% of Defyx's written reviews are positive against 94% of sing's.

Defyx ships an update every 10 days, sing every 2 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Defyx | sing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (55 ratings)](https://appshunter.io/ios/app/defyx/id6746811872/reviews) | **[4.6 (149 ratings)](https://appshunter.io/ios/app/sing-box-mt/id6785326793/reviews)** |
| Number of ratings | 55 | **149** |
| Positive reviews | 81.3% of reviews | **93.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 172 MB | 94 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 12+ | 4+ |
| Developer | [UnboundTech UG (haftungsbeschraenkt)](https://appshunter.io/developer/1804424748) | [Metamerism LLC](https://appshunter.io/developer/6785326795) |

## What reviewers say

### Defyx

[App page](https://appshunter.io/ios/app/defyx/id6746811872)

This app provides secure and fast internet access with a focus on user privacy. It offers automatic setup, unlimited bandwidth, and end-to-end encryption to protect your data. The interface is clean and designed for ease of use, with features like Cloudflare DNS filtering for enhanced security.

**Highlights:** Secure, high-speed connections, Automatic smart onboarding, Unlimited bandwidth, no throttling, Automatic best server selection, End-to-end data encryption, Strict no-logs policy, Cloudflare DNS filtering

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Defyx Balance – 1 Credit | $0.99 | one-time |
| Defyx Balance – 2 Credits | $1.99 | one-time |
| Defyx Balance – 3 Credits | $2.99 | one-time |
| Defyx Balance – 5 Credits | $3.99 | one-time |
| Defyx Balance – 10 Credits | $8.99 | one-time |


### sing

[App page](https://appshunter.io/ios/app/sing-box-mt/id6785326793)

A versatile proxy platform designed for universal connectivity. It enables users to manage and route network traffic efficiently across various devices and services.

**Highlights:** Universal proxy management, Efficient network traffic routing, Cross-device connectivity, Proxy platform functionality

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Defyx free?

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

### Is sing free?

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

### Which has better reviews, Defyx or sing?

sing is rated higher. Defyx averages 4.4 out of 5 from 55 ratings, while sing averages 4.6 from 149 ratings.

### Do Defyx or sing have ads?

Defyx shows ads; sing does not.

### Which is updated more often, Defyx or sing?

Defyx ships an update every 10 days, and sing every 2 weeks. Most recently, Defyx was updated on October 30, 2026 and sing on November 5, 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.*