K-9 Mail
6.6#89 in email clientsFree planFree planAndroid
VisitK-9 Mail vs Spike
What both publish
| Fact | K-9 Mail | Spike |
|---|---|---|
| App coverage | mobile | all |
| Audience | The maker says K-9 Mail is designed for novice and power users. | Spike says its Email App suits people upgrading an existing email experience or managing multiple accounts, while Teamspace is for creating a new address and collaborating with a team. |
| Calendar tools | No | Yes |
| Free plan | Yes | Yes |
| Privacy | The Google Play listing says the app shares no data with third parties and collects no data; it also says data is encrypted in transit. | 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. |
| Support | The maker directs users with questions to its support forum and also lists Matrix and GitHub issue tracking for community interaction. | The pricing page lists standard support for Starter, priority support for Team and Pro, and VIP support for Business and Ultimate. |
| Unified inbox | Yes | Yes |
K-9 Mail plans
- K-9 MailFree
Spike plans
- StarterFree
- Team$4 a month
- Business$8 a month
- FreeFree
- Pro$6 a month
- Ultimate$12 a month
Pick K-9 Mail if…
You want what its maker publishes above — check its page for the details.
Pick Spike if…
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.