
Spike
8.5#4 in email clientsFrom $4 a monthFree planAndroidiOSWebmacOS
Visit
| Fact | Spike | Sterna Mail |
|---|---|---|
| App coverage | all | mobile |
| Calendar tools | Yes | Yes |
| Free plan | Yes | Yes |
| Privacy | Spike says it is ad-free and does not rent, sell, distribute, or monetize user data, while non-personal data may be used to improve its service. | The app says it has no analytics, advertising, crash reporting, or third-party SDK, and that the project has no server of its own to receive data. |
| Product | Spike describes itself as an AI-powered inbox that brings email, calls, notes, tasks, and to-dos into one hub and turns email threads into chat-like conversations. | Sterna Mail is a private email client for Android that supports JMAP and IMAP/SMTP. |
| Scheduled sending | Yes | Yes |
| Support | The pricing page lists standard support for Starter, priority support for Team and Pro, and VIP support for Business and Ultimate. | The project links to an issue tracker for bug reports. |
| Unified inbox | Yes | Yes |
Spike may suit people or teams looking to bring email, scheduled messages, and calendar tools together across desktop and mobile platforms. Its plans cover different email, storage, team, and file-upload needs.
You want what its maker publishes above — check its page for the details.