Pronet VPN vs STS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pronet VPN
This application provides a secure and private internet connection using a customized VPN protocol. It offers a log-free experience to protect user data and browsing activity. The service is free to use with optional subscription plans for enhanced features.
- Log-free VPN
- Customized AnyConnect protocol
- Free to use
- Secure internet connection
- Privacy protection
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A free-to-use log-free VPN application featuring brand new customized AnyConnect VPN protocol. Terms of use: https://pronet.teesta.xyz/term_of_service.html
STS
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It’s a data management platform to help with TBM tunneling. It provides TBM operation monitoring and allows users to have safe and reliable access to real-time monitoring. The platform would improve TBM tunneling efficiency and thus shorten construction duration. The platform is mainly designed to conduct distance monitoring, construction progress management and work report generation
Screenshots
Verdict
The clearest difference is in-app purchases: STS at none against Pronet VPN's 4. STS also leads on update cadence (every 2 weeks vs every 6 weeks). On price, ads, device support 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. Pronet VPN sells 4 in-app purchases, starting at $3.99 per month. STS asks for nothing beyond the download.
Pronet VPN ships an update every 6 weeks, STS every 2 weeks. The most recent releases landed on October 16, 2026 and October 27, 2026 respectively.
| Parameter | Pronet VPN | STS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.2 |
| Further details — not scored | ||
| Size | 36 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Symlex Technologies LLC | 中铁工程装备集团有限公司 |
In-app purchases
Pronet VPN
- Monthly Package$3.991 Month
- 3 Months Package$7.993 Months
- 6 Months Package$14.996 Months
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- 1 Year Package$24.991 Year
STS
No in-app purchases
