# Oppa VPN vs SLS Echon

The clearest difference is rating: SLS Echon at 5.0 against Oppa VPN's 1.0. SLS Echon also leads on update cadence (daily vs every 3 months). Oppa VPN's advantage is iOS requirement (15.1 vs 18.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SLS Echon holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Oppa VPN ships an update every 3 months, SLS Echon daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Oppa VPN | SLS Echon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/oppa-vpn/id1519172054/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sls-echon/id6782618500/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free | Free |
| Size | 38 MB | 11 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [VMESH TECHNOLOGIES LTD.](https://appshunter.io/developer/1519172056) | [XINGYU LIANG](https://appshunter.io/developer/6782618502) |

## What reviewers say

### Oppa VPN

[App page](https://appshunter.io/ios/app/oppa-vpn/id1519172054)

This app provides a line management system for fast, secure, and stable connections. It aims to offer a convenient way to access reliable network routes.

**Highlights:** Fast connections, Secure network access, Stable line management, Convenient route acquisition

**Features:** macOS Compatibility

**In-app purchases:** none


### SLS Echon

[App page](https://appshunter.io/ios/app/sls-echon/id6782618500)

Easily buy tickets and schedule appointments for Echon Studio. Manage your visits and plan your experience with this convenient utility.

**Highlights:** Purchase tickets, Book appointments, Visit Echon Studio, Manage visits

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

**In-app purchases:** none


## Frequently asked questions

### Is Oppa VPN free?

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

### Is SLS Echon free?

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

### Which has better reviews, Oppa VPN or SLS Echon?

SLS Echon is rated higher. Oppa VPN averages 1.0 out of 5 from 1 ratings, while SLS Echon averages 5.0 from 1 ratings.

### Do Oppa VPN or SLS Echon have ads?

Neither Oppa VPN nor SLS Echon shows ads.

### Which is updated more often, Oppa VPN or SLS Echon?

Oppa VPN ships an update every 3 months, and SLS Echon daily. Most recently, Oppa VPN was updated on November 3, 2026 and SLS Echon on October 31, 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.*