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Simplenote is still available for Linux. On Ubuntu 16.04 (Xenial) or 18.04 (Bionic), the simplest installation is the official Snap package:
sudo snap install simplenoteThe Snap Store lists Simplenote for Ubuntu 16.04 LTS and later, including 18.04 LTS. This package compatibility does not mean either Ubuntu release is still generally supported or secure, so plan an operating-system upgrade where possible.
Before installing: check Ubuntu and your CPU architecture
Ubuntu 16.04 reached standard support end in April 2021. Ubuntu 18.04 reached standard support end on May 31, 2023. Eligible Ubuntu Pro users may have extended maintenance, but legacy support is not a substitute for moving to a current Ubuntu LTS. See Ubuntu’s release lifecycle and the Ubuntu 18.04 information page.
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Simplenote’s current Linux release listing includes amd64, x86_64, and ARM64 assets, but no i386 package. Check your architecture before downloading a package:
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dpkg --print-architecture- amd64: use the amd64 Debian package or x86_64 AppImage.
- arm64: use the matching ARM64 release asset where available.
- i386: use the web app or move to a 64-bit Ubuntu installation; do not try to install an amd64 package.
You need an internet connection. Snap and Debian installation also require administrator access.
Method 1: install Simplenote with Snap (recommended)
The official Snap instructions are documented for Ubuntu 16.04 LTS and later. Snap normally updates the application automatically.
-
Open Terminal
Press Ctrl+Alt+T, or open Terminal from the application menu.
Do these 3 things before closing this tab:
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Install the package
sudo snap install simplenoteEnter your administrator password when prompted. The package name is
simplenote, notsimplenote-electron. The Snap Store listed the channel aslatest/stableand the package as updated July 2, 2026, when checked. -
Launch and sign in
Start it from the application menu by searching for Simplenote, or run:
simplenoteSign in to an existing account or create one. Simplenote synchronizes notes across supported desktop, mobile, and web clients; its product details are at simplenote.com/simple.
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Verify, update, or remove it
snap list simplenote sudo snap refresh simplenote snap info simplenote sudo snap remove simplenote
Installation instructions and package availability: Snapcraft’s Simplenote page.
Method 2: install the official Debian package
Choose this route if you prefer conventional Debian package management or do not want Snap. Simplenote confirms that Linux .deb files are available, while noting that distribution-specific troubleshooting support may be limited: Simplenote Help.
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Download the newest matching asset
Open the official Simplenote Electron releases page and select the newest Linux amd64 .deb asset. The release page showed version 2.27.1, released July 1, 2026, on August 18, 2026; filenames and versions can change.
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Open the download directory
cd ~/Downloads ls -lh *.deb -
Install the local file
sudo apt install ./Simplenote-linux-2.27.1-amd64.debReplace the filename with the one you actually downloaded. The
./prefix tellsaptto install a local file. -
Launch Simplenote
Use the application menu or run:
simplenote
To remove a Debian installation:
dpkg -l | grep -i simplenote
sudo apt remove simplenoteA current Debian package may depend on libraries unavailable on an obsolete Ubuntu release. If that happens, use Snap, the web app, or upgrade Ubuntu rather than downloading random libraries from third-party sites.
Method 3: run the AppImage
The official releases page also provides an x86_64 AppImage. It is portable and does not use normal package installation, but old Ubuntu systems can have FUSE, graphics, or sandbox compatibility problems.
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Download the x86_64 asset
From the official releases page, download the newest file named similarly to
Simplenote-linux-2.27.1-x86_64.AppImage. -
Grant execute permission
cd ~/Downloads chmod +x Simplenote-linux-2.27.1-x86_64.AppImage -
Run it
./Simplenote-linux-2.27.1-x86_64.AppImageIf Ubuntu shows a permission dialog, enable Allow executing file as program and double-click the file.
If it cannot mount or execute, prefer the Snap or Debian method. Avoid disabling the application sandbox with arbitrary command-line workarounds.
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Troubleshooting
snap: command not found
Ubuntu 16.04 and 18.04 normally meet the Snap prerequisite, but customized installations may have removed it:
sudo apt update
sudo apt install snapd
sudo systemctl enable --now snapdIf necessary, log out and back in or reboot, then retry the installation. If apt update reports invalid release metadata, your repositories may point to obsolete archives. Do not disable signature checks; upgrading Ubuntu is safer. Archived release information is available at Ubuntu’s archived releases.
The package cannot be found
snap find simplenote
snap info simplenote
sudo snap install simplenoteUse the exact package name simplenote.
The application is missing from the menu
Confirm installation with snap list simplenote, then log out and back in or reboot. You can launch it directly with simplenote.
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The Snap installs but will not launch
Run it in Terminal to reveal an error:
simplenote
snap services simplenote
snap connections simplenoteIf needed, remove and reinstall it:
sudo snap remove simplenote
sudo snap install simplenoteBefore removing anything, verify that synchronized notes are visible in the web app.
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sudo apt --fix-broken install
sudo apt install ./Simplenote-linux-2.27.1-amd64.debIf required libraries are not available for your Ubuntu release, switch to Snap, use the web app, or upgrade.
You downloaded the wrong architecture
Run dpkg --print-architecture and download the corresponding official asset. There is no listed i386 build in the current release set.
Sign-in or synchronization fails
- Check the system date and time and test the internet connection.
- Confirm that the web app works and that you are using the correct account.
- Quit other Simplenote processes and avoid running multiple desktop builds simultaneously.
- Check the web app before deleting local data.
Simplenote’s July 2026 editor announcement also tells users to quit an existing copy before using the experimental build: Simplenote’s editor announcement.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Use the web app when the desktop build will not run
Open app.simplenote.com in a browser and sign in. This is the most practical fallback for 32-bit Ubuntu, missing libraries, or an AppImage that cannot start.
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Installing Simplenote does not make an obsolete operating system current. Ubuntu 16.04’s listed Ubuntu Pro/ESM period ended in April 2026, while eligible Ubuntu 18.04 systems may have coverage through 2028. For an internet-connected computer, upgrading to a currently supported Ubuntu LTS is the safer long-term choice.
Quick Recap
Which installation method should you choose?
| Method | Best for | Advantages | Limitations |
|---|---|---|---|
| Snap | Most Ubuntu 16.04/18.04 users | One command, automatic updates, documented package compatibility | Requires Snap infrastructure and may use more disk space |
| Official .deb | Traditional package management | Familiar installation and removal | Current runtime compatibility with old Ubuntu is not guaranteed |
| AppImage | Portable or no-root use | No conventional package installation | Needs execute permission; old-system FUSE or sandbox issues are possible |
| Web app | Unsupported or failing desktop systems | No package installation and broad compatibility | Requires a browser and is less integrated with the desktop |
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