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Releases, security explainers and what we are building in Switzerland.

Stellar Private Notes open on a laptop and a phone at once, the same encrypted notes on bothApps1 December 2025Introducing the New Stellar Private Notes — End-to-End Encrypted Sync Across All Your DevicesStellar Private Notes introduces full end-to-end encryption, zero-knowledge syncing, offline-first reliability, and multi-device support — privacy built in Switzerland.Read article

Articles

Stellar Phone at an angle showing the StellarOS home screenStellarOS4 Aug 2025🚀 Say hello to StellarOS version 20250700Stellar Voice Changer. Over 300+ changes it is here.Stellar VPN and Stellar Antivirus running side by side on two Stellar PhonesCompany26 May 2025🚀 Stellar Security Monthly Update – May 2025Here’s what we’ve been working on in May 2025.The Stellar Notes desktop app open on a MacBook, note list beside an open noteApps25 Apr 2025Stellar Notes Update: Search, Stability, and Open Source!Find notes fast, experience better stability, and dive into our open-source app!Stellar Secret open on a desktop, with the created secret and its share link on a phoneApps22 Apr 2025Stellar Secret Just Got a Major Upgrade — Now With Encrypted File SharingStellar Secret now supports encrypted file-sharing.Two StellarOS wallpapers side by side, one on a bright panel and one on a Stellar Phone at the lock screenStellarOS19 Feb 2025StellarOS: New Release 2025021500Say hello to a new release of StellarOS. New layers of security and protections.A commit graph: a trunk of commits with branches splitting off and merging backCompany16 Dec 2024We’re going opensource – GithubTowards opensource, its starting from today.The second StellarOS wallpaper on a panel, beside a Stellar Phone showing the lock screenStellarOS2 Dec 2024New version of StellarOSSay hello to a new StellarOS version.The Apple logo in white, lit by the Stellar blue glowCompany25 Nov 2024We’re working on iOS supportStellar and iOS.Stellar VPN connected on a Stellar PhoneApps20 Nov 2024Stellar VPN for Android has been releasedSay hello to Stellar VPN for Android.A hand holding a Stellar Phone with Stellar VPN connectedStellarOS29 Oct 2024Global VPN Protection with StellarOSMany users have multiple profiles on their devices and want to use VPN across all of them. Previously, this required installing a VPN app for each profile....The lock affordance on the StellarOS lock screen, close upStellarOS20 Oct 2024StellarOS: New Release 20241710It is now possible to disable Control Center, when the phone is locked. (So you cant swipe from the top and down to see notifications, change settings and so on, when the phone is locked). It can be disabled through Stellar Protect.A Stellar Phone screen catching a hard specular band, the way anti-spy glass doesStellarOS3 Oct 2024Introducing Stellar ShieldOver the last months we have been working incredible hard on a new type of privacy screen for mobile-devices. We call it Stellar Shield.Stellar Protect open on two Stellar Phones, showing the Remote Wipe and detection switchesGuides12 Sep 2024Enabling Stellar Protect as device-ownerSince Android SDK 34 came out it is required that Stellar Protect is device-owner of the device this allows the wiping-mechanism to work properly.A Stellar Phone running a security scanGuides1 Sep 2024How Antivirus works and why you need Stellar AntivirusAntivirus software is like a security guard for your device. It helps protect it from harmful programs (viruses, malware) that can mess up your files, slow down your device, or even steal your personal information.A USB-C cable plugged into a Stellar Phone, charging onlyGuides26 Aug 2024Why StellarOS have removed USB-data completely and only allows chargingOn StellarOS we have removed the ability to connect to the phone through USB – we only allow charging.Two Stellar Phones, one with the screen off before first unlock and one on the StellarOS lock screenGuides21 Aug 2024How StellarOS handles AFU- and BFU modeA phone can have two states: Before-First-Unlock mode and After-First-Unlock mode.

Privacy, built in Switzerland.

Every release above ships inside a Stellar product — the phone, the OS, the VPN and the apps around them.

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