Spike
8.5#3 in email clientsFrom $4 a monthFree planAndroidiOSWebmacOS
VisitSpike vs Twobird
What both publish
| Fact | Spike | Twobird |
|---|---|---|
| App coverage | all | all |
| Calendar tools | Yes | Yes |
| Email providers | Spike says it works with existing email accounts including Gmail, Office 365 or Outlook, Exchange, iCloud, Yahoo, and other IMAP accounts. | Twobird currently supports Gmail and Outlook accounts, including G Suite addresses. |
| 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. | Twobird says it blocks email tracking pixels and uses anonymous analytics to improve the service. |
| 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. | Twobird combines email, tasks, notes, reminders, and events in one inbox. |
| Security | Spike says message data is encrypted with AES-256 using a per-message private key and that it has periodic external security audits. | The privacy policy says data is transmitted using TLS, Gmail authentication uses OAuth, and Google authorization tokens are stored in a secure database and can be revoked. |
| Support | The pricing page lists standard support for Starter, priority support for Team and Pro, and VIP support for Business and Ultimate. | Twobird’s help center offers a Submit a request option for support questions. |
| Unified inbox | Yes | Yes |
Spike plans
- StarterFree
- Team$4 a month
- Business$8 a month
- FreeFree
- Pro$6 a month
- Ultimate$12 a month
Twobird plans
- FreeFree
- FreeFree
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.
Pick Twobird if…
You want what its maker publishes above — check its page for the details.