GS EXT vs Zurbo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GS EXT
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GS EXT is a mobile client used in conjunction with the Grandstream GRP260X series phones, providing simple and fast programmable buttons to record various communication needs in office scenarios, making it convenient for users to operate communication functions with one click.
Zurbo
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Secure Network Access Solution for Enterprises Zurbo is a high-performance secure network access application designed specifically for enterprise users. It helps employees connect to internal corporate resources securely and reliably from anywhere in the world. Whether it’s remote work, accessing internal systems, or handling sensitive operations, Zurbo ensures encrypted protection and high-availability connectivity. Key Features: • Enterprise-Grade Encrypted Tunnels – Safeguard data transmission and prevent man-in-the-middle attacks and data breaches • Intelligent Network Routing – Automatically detects and prioritizes enterprise traffic to enhance work efficiency • Flexible Access Policies – Configure access permissions by department, region, or user account • Zero-Configuration Experience – Connect with a single tap, no complex setup required • Multi-Platform Support – Seamlessly works across iOS, macOS, and more Zurbo is committed to delivering a stable, secure, and compliant network access experience for enterprises—an ideal solution for modern remote work and IT management. For more information, please visit our website: https://zenlayer.com/ Terms of Use: https://www.turboxapp.com/terms Privacy Policy: https://www.turboxapp.com/privacy
Screenshots
Verdict
The clearest difference is update cadence: Zurbo at monthly against GS EXT's every 9 months. GS EXT's advantage is iOS requirement (9.0 vs 15.0). On price, ads, 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.
GS EXT ships an update every 9 months, Zurbo monthly. The most recent releases landed on October 27, 2026 and October 4, 2026 respectively.
| Parameter | GS EXT | Zurbo |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 13 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | Grandstream | Zenlayer Inc |
In-app purchases
GS EXT
No in-app purchases
Zurbo
No in-app purchases









