# Zscaler Client Connector

> Secure mobile access to internet and private corporate resources via cloud platform. (iPhone/iPad app by Zscaler Inc.)

- Source: https://appshunter.io/ios/app/zscaler-client-connector/id1216875274 (this page in markdown: same URL + `.md`)
- Developer: [Zscaler Inc](https://appshunter.io/developer/604786384)
- Category: Productivity
- Price: Free
- Rating: 2.50/5 from 138 App Store ratings · 53 written reviews indexed
- Age rating: 4+
- Requires: iOS 14.0 · 45 MB
- Languages: American English
- Released: 2017-08-01
- Data updated: 2026-08-23
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/zscaler-client-connector/id1216875274/reviews.md

## What is Zscaler Client Connector?

The Zscaler App for iOS includes both Zscaler Internet Access and Zscaler Private Access modules. 

Mobility has raised business productivity, but it’s brought its share of issues, as well. One of the biggest challenges is the need to provide complete, consistent security across devices that you may not own. The majority of web traffic from mobile devices comes from apps, not from standard browsers, so threats may not even be visible to traditional security appliances.

Note: Zscaler App is used with an active enterprise subscription to Zscaler's Mobile Security service. Please follow instructions from your IT organization to use this app. 

Zscaler App automatically creates a lightweight HTTP tunnel that connects the user’s endpoint to Zscaler’s cloud security platform with no need for PAC files or authentication cookies. The Zscaler Cloud Service delivers one-step enrollment, with multifactor authentication support via SAML.

If you are an end-user and have issues or concerns, please reach out to your organizations support. Client Connector does not collect any personal information about you, or your device, however traffic your device sends to websites and SaaS applications is visible by your company administrators.

## Key features

- Zscaler Internet Access
- Zscaler Private Access
- Secure HTTP tunnel
- Cloud security platform connection
- One-step enrollment
- MFA via SAML support

## Recent user reviews (10 of 53)

All indexed reviews: https://appshunter.io/ios/app/zscaler-client-connector/id1216875274/reviews.md

### 1/5 — No reason for certain blocks

*2026-08-07, version 4.5.1*

Blocks regular use items like Amazon Music.

### 1/5 — Erratic

*2026-07-28*

It need a big update, it can’t drain the battery this fast plus how it fails to connect multiple times, with my 17 pro max is a nightmare, with my 12 pro max works better.

### 5/5 — Works well

*2026-06-09, version 4.5.1*

No issues observed

### 5/5 — Works great now a days

*2026-06-08, version 4.5.1*

All previous issues have been addressed

### 2/5 — GSK

*2026-05-16*

My IPhone started behaving erratically after installing this app. IPhone’s battery is draining very fast and  restarting frequently. It needs an update.

### 1/5 — Too many conflicts

*2026-02-25*

This vpn causes CarPlay to crash and conflicts with many other apps. Sunbelt needs to drop this app

### 1/5 — Drains battery

*2026-02-12*

Zcaler consumes way too much battery in the background especially using on the iPhone air. I have had to disable it. Can the developers look into this battery drain, most of my friends also have this same issue.

### 1/5 — Battery hogging

*2026-01-29*

It running in background all the time, and consuming battery. For older devices it is nightmare.

### 5/5 — Fantastic work

*2026-01-28, version 4.4.3*

Although older versions had flaws, the latest version is superb and runs seemlessly with minimal battery consumption, no lag on wake up and no issues I’m aware of.  Great work Zscaler.

### 5/5 — Good mobile implementation of the ZCC

*2026-01-12, version 4.4.3*

Works very well. Similar experience to the desktop client.

## Frequently asked questions about Zscaler Client Connector

### What does the Zscaler Client Connector app do?

The Zscaler Client Connector app provides secure internet access and private access to corporate resources for mobile devices. It establishes a secure tunnel to Zscaler's cloud security platform, ensuring consistent security for apps and web traffic.

### How does the app ensure security?

The app creates a lightweight HTTP tunnel that connects your device to Zscaler's cloud security platform. This platform filters web traffic and protects against threats, even from mobile apps, providing consistent security without requiring PAC files or authentication cookies.

### Is this app free to use?

The Zscaler Client Connector app itself is free to download. However, it requires an active enterprise subscription to Zscaler's Mobile Security service. You will need to follow instructions from your IT organization to use the app.

### What devices is this app compatible with?

This application is designed for iOS devices. It is intended for use with an active enterprise subscription to Zscaler's Mobile Security service, and usage is managed by your organization's IT department.

### Who can see my internet traffic?

While the Client Connector app does not collect personal information about you or your device, the traffic your device sends to websites and SaaS applications is visible to your company administrators. This is part of the security and management provided by the Zscaler service.

## Version history (last 5 releases)

### 4.5.1 — 2026-06-01

* Fixes an issue on iOS 26 where Zscaler Client Connector remained stuck in an authentication loop while authenticating through an SSO extension for several minutes before completing sign-in. 

* Fixes an issue where devices connected to IPv6-only networks and in tenants without the IPv6 feature enabled for Zscaler Client Connector fell back to Zscaler Tunnel (Z-Tunnel) 1.0, because the QUIC drop policy wasn't applied.

* Fixes an issue where after a device reboot on a cellular-only network, traffic intermittently failed to route through the Zscaler Internet Access (ZIA) tunnel.

* Fixes an issue where Zscaler Client Connector displayed the message Invalid MDM Config, when Zscaler Digital Experience (ZDX) remained stuck in a connecting state due to an incorrect management device management (MDM) configuration.

### 4.5.0 — 2026-03-23

* Supports ZIdentity integration for the following features: using one-time passwords (OTPs), using device group-based app profiles, the assignment of service entitlements based on device posture, quarantining devices, displaying the service disable reason, and force-removing devices.

* Supports end user migration to ZIdentity, including a new Migration Status filter on the Device Management page and the Platform Details page to help track the device migration progress. To learn more, see Migrating End Users to ZIdentity.

* Provides separate per-device OTPs for the logout function and Disable ZIA, Disable ZPA, and Disable ZDX services.

* Updates the External Device ID field, displayed in the Zscaler Client Connector Registered Devices page in Enrolled Devices, upon a change by the Mobile Device Management (MDM).

* Enables admins to configure an early reauthentication notification for end users before Zscaler Private Access (ZPA) applications expire and allows users to authenticate before ZPA applications expire. To learn more, see Configuring Zscaler Client Connector App Profiles. 

* Adds the ability to display a custom notification to users who attempt to access the internet when in Strict Enforcement mode.

* Supports device group-based app profiles in the Zscaler Client Connector Portal. 

* Disables captive portal notifications based on the disableCaptivePortalNotification parameter in the Mobile Device Management (MDM) VPN configuration.

* Fixes an issue where strict enforcement failed to apply PAC file bypasses after a device reboot, requiring users to update the policy as a workaround.

* Fixes an issue where internet connectivity was lost after a device reboot when ZPA was disabled in a per-app VPN configuration for ZPA and Zscaler Internet Access (ZIA).

* Fixes an issue for ZPA Private Service Edge deployments only where the Certificate Trust posture check appears to have failed because Zscaler Client Connector took too long to send the posture evaluation results to the ZPA Private Service Edge.

### 4.4.4 — 2026-02-25

* Fixes an issue that caused delayed status updates in the Zscaler Client Connector interface after launching Zscaler Client Connector.
* Fixes an issue where constant mobile carrier connection timeouts caused high cellular data usage. You can push the ZpaSocketReadTimeout (in seconds) in the VPN profile to enable more frequent keepalives.
* Fixes an issue where the Zscaler Tunnel (Z-Tunnel) 2.0 connection failed on a private cloud instance when switching from Wi-Fi to cellular data.
* Fixes an issue where Zscaler Private Access (ZPA) application access was delayed or failed after switching from Wi-Fi to cellular data. 
* Fixes an issue that caused DNS resolutions to fail for a brief period of time when switching between Wi-Fi and cellular data.
* Fixes an issue that prevented access to websites from the app defined in the Per-App VPN profile when using Z-Tunnel 2.0 with Redirect Web Traffic to Zscaler Client Connector Listening Proxy enabled in Forwarding Profile in a dual-tunnel deployment.

### 4.4.3 — 2025-12-15

* Fixes an issue where mobile users lost connection to Zscaler Internet Access (ZIA) after switching from Wi-Fi to mobile data access where the carrier’s  interface also uses the same  NAT address range (100.64.x.x/12) as Zscaler Client Connector.
* Fixes an issue where some users experienced recurring connectivity issues due to IPv6 traffic on an IPv4-only stack and vice versa..
* Fixes an issue where the UI update was delayed after starting Zscaler Client Connector

### 4.4.2 — 2025-12-03

* Fixes an issue where some users connecting to hotel guest Wi-Fi received a captive portal 403 error after clicking Open Browser in Zscaler Client Connector.

* Fixes an issue where after a network change, the DNS IP address was returned from the previous network for a few seconds, causing DNS traffic failure.

* Improves Z-Tunnel connection and disconnection notifications when logging in to Zscaler Client Connector.

* Fixes an issue where users couldn’t open a browser after clicking Open Browser when Zscaler Client Connector detected a captive portal.

* Fixes an issue which caused Zscaler Client Connector to crash when trying to display the SAML IdP login page for ZIdentity users. 

*  Fixes an issue where an invalid configuration caused the tunnel to continuously restart.

*  Fixes an issue where users connected using a mobile hotspot received the error message Captive Portal Detected, followed by the message Connection Error, while connected to Zscaler Internet Access (ZIA).

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-23.*