Comparison

Oppa VPN vs SLS Echon

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

Head to head

Oppa VPN

Fast, Secure, Stable

Free

🔧 Utilities

★ 1.01 ratingsView app →

SLS Echon

Echon Studio ticket

Free

🔧 Utilities

★ 5.01 ratingsView app →

About

Oppa VPN

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

Read full description

Oppa 提供的线路管理系统让您可以方便地获取快速安全稳定的线路

About

SLS Echon

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

Read full description

This app lets users purchase tickets and book appointments to visit Echon Studio.

Screenshots

Oppa VPN4 screens

SLS Echon3 screens

Verdict

The call

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.

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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level

Oppa VPN versus SLS Echon: the parameters behind the verdict, then further details
Parameter	Oppa VPN	SLS Echon
Price	Free	Free
Rating	1.0 (1 ratings)	5.0 (1 ratings) — better
Positive reviews	0.0% of reviews	—
Number of ratings	1	1
Update frequency	Every 3 months	Daily — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	Free
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	15.1 — better	18.0
Further details — not scored
Size	38 MB	11 MB
Age rating	4+	4+
Developer	VMESH TECHNOLOGIES LTD.	XINGYU LIANG

Customer experience

Oppa VPN

All ratings2 ratings

Positive50.0%

Neutral50.0%

Negative0.0%

Written reviews7 reviews

Positive0.0%

Neutral28.6%

Negative71.4%

SLS Echon

All ratings1 ratings

Positive100.0%

Neutral0.0%

Negative0.0%

In-app purchases

None

Oppa VPN

No in-app purchases

None

SLS Echon

No in-app purchases

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.