We're here to help
Questions about access, security, or your account? Reach our team and we'll get back to you.
Email support
Reach us directly and we typically respond within two business days.
support@quantumchat.cloudCommon questions
Answers about post-quantum encryption, supported platforms, and access.
Read the FAQSecurity & compliance
For security disclosures or compliance documentation requests.
Contact security
Platform Availability
QuantumChat is in active development across every platform. All clients are on the way — access opens as each platform reaches public release.
| Platform | Current status | Release type | Version target | Distribution |
|---|---|---|---|---|
| Android | Coming Soon | Public Beta | Android 10.0+ | → Coming Soon |
| iOS & iPadOS | Coming Soon | Beta | iOS 16.0+ | → Coming Soon |
| macOS | Coming Soon | Alpha | macOS 13.0+ | → Coming Soon |
| Windows | Coming Soon | Early Access | Win 10 / 11 (64-bit) | → Coming Soon |
| Linux | Coming Soon | Early Access | Ubuntu 22.04+ | → Coming Soon |
| Browser | Call | Message | Transfer | Vault | Install |
|---|---|---|---|---|---|
| Google Chrome Desktop · 88+ |
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| Microsoft Edge Desktop · 88+ |
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| Chrome Android · 88+ |
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| Safari macOS · 16+ * |
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| Safari iOS & iPadOS · 16+ * |
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| Mozilla Firefox Desktop · 97+ ** |
FullLimitedMessage, Transfer & Vault are post-quantum end-to-end encrypted on every listed browser.
* Safari (macOS · iOS): live-call media uses standard transport encryption — post-quantum call media is Chromium-only today and pending on-device verification; screen share and push are unavailable on iOS. ** Firefox: post-quantum call media is not yet enabled. Minimums reflect the app build (ES2022 + WebRTC Encoded Transform): Chrome/Edge 88+, Chrome for Android 88+, Safari 16+, Firefox 97+.
Account & access
QuantumChat is rolling out to organizations and individuals from a waitlist. If your organization uses QuantumChat, your administrator can issue access. To request access, email us with your team details.
Request accessQuantumChat — quantum-safe by design.