ASTROLABE tech vs ZTAG Client
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ASTROLABE tech
This application allows users to control specific smart home products from ASTROLABE. It enables management of alarm systems, gate and door controls, and timed lighting features. Requires compatible ASTROLABE hardware to function.
- Control SHAULA products
- Gate and door controls
- Timed lighting control
- Smart-home automation
- Alarm security control
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ASTROLABE CETUS app is Intended for use with products from ASTROLABE and will not work otherwise. This app lets you control your SHAULA products from your mobile devices. The app currently supports the following SHAULA products: - SHAULA-001 - SHAULA-720 - SABIK-501 - SHELIAK-1907 #SHAULA-791 : is a wireless alarm system with essential smart-home feature like gate and door controls, timed lights control #SHAULA-720 : is a wired/wireless smart-home automation and alarm security control panel. To use this app you should have the hardware (SHAULA Products), for details and sale enquiries contact our sales department sales@astrolabetech.com. Detailed features and how to use guides can be found in the User Guides available at http://astrolabetech.com.
ZTAG Client
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ZTAG by Array Networks is a high-performance SSL VPN appliance that delivers secure, fast, and scalable remote access to enterprise applications and services. Built on ArrayOS with integrated SSL acceleration hardware, ZTAG ensures seamless connectivity and strong protection for remote users, enabling organizations to securely extend access to employees, partners, and customers—anytime, anywhere, and on any device. At its core, ZTAG uses robust SSL encryption and supports SSLv3, TLSv1.2, and DTLS protocols to ensure data remains private and protected. Its industry-leading SSL performance stems from an optimized combination of hardware and software. ZTAG features a Virtual Site architecture, allowing up to 256 isolated virtual environments on a single appliance. Each virtual site is independently customizable—supporting unique authentication methods, access policies, and user-resource mappings. This capability enables organizations to scale easily and reduce infrastructure costs by consolidating access needs into a single, secure platform. Security is further enhanced with comprehensive AAA (Authentication, Authorization, Accounting) support. ZTAG supports multi-factor authentication via LocalDB, LDAP, RADIUS, SAML, client certificates, SMS-based 2FA, and HTTP. Multiple AAA servers can be combined to support layered authentication workflows. Fine-grained policy control allows roles, IP restrictions, ACLs, and time-based access policies to be enforced at the user level. ZTAG provides multiple access modes including Web Access, SSL VPN Client, TAP VPN, Site-to-Site VPN, and IPSec VPN—offering deployment flexibility to suit a range of enterprise needs, from browser-based access to full-tunnel VPN connectivity. A built-in Zero Trust architecture includes Single Packet Authorization (SPA), device trust validation, internal network stealth, and dynamic access authorization. Endpoint compliance checks and certificate-based authentication ensure only secure, validated devices gain access to protected assets. Administrators benefit from a powerful management interface via WebUI and CLI. ZTAG supports SNMP, Syslog, and RFC-compliant logging for centralized monitoring and alerting. Tools like session management, policy centers, and system synchronization streamline configuration and maintain high service availability. For resilience, ZTAG supports High Availability (HA) configurations including Active/Standby, Active/Active, and N+1 models. Real-time sync of configuration and session states ensures uninterrupted access during maintenance or failover. Additional features include custom web portal branding, HTTP/NTLM SSO, DNS caching, NTP synchronization, and SSL enforcement—making ZTAG a complete, secure, and scalable VPN solution. ZTAG is engineered for fast deployment and long-term scalability, making it ideal for modern enterprises looking to secure remote access without compromising performance or control.
Screenshots
Verdict
The clearest difference is iOS requirement: ZTAG Client at 12.0 against ASTROLABE tech's 15.8. 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.
| Parameter | ASTROLABE tech | ZTAG Client |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (5 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Fortnightly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.8 | 12.0 — better |
| Further details — not scored | ||
| Size | 137 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | ASTROLABE Tech Solutions | Array Networks |
In-app purchases
ASTROLABE tech
No in-app purchases
ZTAG Client
No in-app purchases







