VPNGN vs STS2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VPNGN
This application provides secure and private internet access through various VPN protocols. It offers advanced features like DNS and IPv6 leak protection, along with a kill switch for uninterrupted security. Users can manage their subscriptions directly within the app for seamless service.
- IKEv2-IPSec support
- OpenVPN (+TLS-Crypt) support
- WireGuard support
- Shadowsocks2 support
- DNS Leak Protection
- IPv6 Leak Protection
- Kill Switch
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WHAT IS VPNGN? The VPNGN app is the engine behind an increasing number of VPN brands. It supports: -IKEv2-IPSec -OpenVPN (+TLS-Crypt) -WireGuard -Shadowsocks2 HOW TO INSTALL? Install the app and then either use a link to sign in to your account, or manually enter the Brand ID together with your unique Token. FEATURES - DNS Leak Protection - IPv6 Leak Protection - Kill Switch VPNGN SUBSCRIPTION INFO: You can purchase a premium plan directly from the VPNGN app. Your subscription will auto-renew monthly, at a price of $12.99/month. Payment will be charged to your iTunes Account at confirmation of purchase. Your subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Your account will be charged for renewal within 24-hours prior to the end of the current period. Your auto-renewal can be turned off and your subscription can be managed by going to your Account Settings after purchase. No cancellation of the current subscription is allowed during active subscription period. Find our privacy policy and terms of use at https://www.getvpngn.com/legal/privacy.html and https://www.getvpngn.com/legal/terms.html respectively.
STS2
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Smart Tunnelling System is a practical application specially designed for the tunnel construction industry. STS provides shield construction enterprises with comprehensive data collection, storage, monitoring and intelligent decision-making services based on big data analysis. It mainly realizes the functions of remote real-time monitoring, tunneling progress control, report management, statistical analysis and business management of roadheader cluster.
Screenshots
Verdict
The clearest difference is in-app purchases: STS2 at none against VPNGN's 1. VPNGN's advantage is device support (4 vs 2). On price, update cadence, ads and iOS requirement 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
Both are free to download. VPNGN sells 1 in-app purchase, starting at $12.99 per month. STS2 asks for nothing beyond the download.
VPNGN ships an update every 3 months, STS2 every 2 months. Both last shipped on October 27, 2026.
| Parameter | VPNGN | STS2 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 44 MB | 76 MB |
| Age rating | 4+ | 4+ |
| Developer | Webistics Holdings Ltd | 中铁工程装备集团有限公司 |
In-app purchases
VPNGN
- 1 Month$12.991 Month
STS2
No in-app purchases









