VPN vs STS2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VPN
Browse the internet securely and anonymously with a one-tap VPN connection. Also includes a quick QR code and barcode scanner for easy decoding.
- Secure, anonymous browsing
- One-tap VPN connection
- Traffic encryption
- IP/DNS leak protection
- QR code scanning
- Barcode scanning
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With this handy tool, you can browse the internet securely and scan QR codes or barcodes anytime with ease. Our features include: 1. VPN Protection: Enjoy secure, anonymous browsing with one-tap connection, traffic encryption, secure DNS, and IP/DNS leak protection. 2. QR Code Scanner: Quickly scan and decode QR codes and barcodes whenever you need.
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 ads: STS2 at none against VPN's shown. STS2 also leads on iOS requirement (13.0 vs 15.6). VPN's advantage is update cadence (weekly vs every 2 months). On price, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
VPN ships an update weekly, STS2 every 2 months. The most recent releases landed on September 28, 2026 and October 8, 2026 respectively.
| Parameter | VPN | STS2 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Weekly — better | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 68 MB | 76 MB |
| Age rating | 4+ | 4+ |
| Developer | NOVAGE COMMUNICATIONS PTE. LTD. | 中铁工程装备集团有限公司 |
In-app purchases
VPN
No in-app purchases
STS2
No in-app purchases
