Spark Free
Snooze, scheduled sends and configurable actions for free; read receipts and team features still collect rent.
Technical Profile & Specs
verified 2026-08-10
- Cost
- $0 / forever (Free tier / Free tool)
- License
- proprietary, free
- Hosting Model
- Local (on your machine)
- Platforms
- desktopmobileone-click install
- Installation
- Install Spark on macOS, Windows, iOS, or Android, create a Spark account, and connect existing mailboxes
- Operational Setup
- Requires a Spark account and mailbox OAuth or credentials, but no server administration
- Where Your Data Lives
- Mail remains at the provider and is indexed locally; encrypted synchronization and notification metadata, and temporarily queued send-later messages, can live on Spark's servers; AI excerpts may be sent to a disclosed provider when AI is used
- The Catch / Trade-off
- Spark Free is polished but offers less granular action and automation customization than Airmail and requires a Spark account for synchronization.
Replaces 4 paid apps
up to $53.99/mo ($648/yr) in subscriptions
Spark Free FAQ
Common questions
Is Spark Free free and open source?+
Spark Free is a free tool that runs on local. Snooze, scheduled sends and configurable actions for free; read receipts and team features still collect rent.
What paid software does Spark Free replace?+
Spark Free serves as a free replacement for 4 paid SaaS applications: Airmail, Fastmail, Mailbird, Superhuman, saving up to $53.99/month ($648/year) in subscription bills.
How do you install and set up Spark Free?+
Installation: Install Spark on macOS, Windows, iOS, or Android, create a Spark account, and connect existing mailboxes. Setup notes: Requires a Spark account and mailbox OAuth or credentials, but no server administration
What is the catch or trade-off with Spark Free?+
Spark Free is polished but offers less granular action and automation customization than Airmail and requires a Spark account for synchronization.