Spike vs thread.
Spike
spikenow.comthread.
usethreademail.comSide by side
| Figure | Spike | thread. |
|---|---|---|
| Price from | $4/mo | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | — |
| Windows | Yes | — |
| macOS | Yes | — |
| iOS | Yes | — |
| Android | Yes | — |
| Plans published | 12 | 1 |
| Spec score · AI Email Assistants | 8.3 (#12) | 7.1 (#34) |
| Audience | 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. | The maker describes thread. as built for people who write a lot of email. |
| Platforms | Spike lists iOS, Android, Windows, macOS, and web browser as supported devices. | The extension runs in Chrome and works with Gmail and Outlook on the web. |
| 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 maker says it operates no server, collects no usage analytics or telemetry, and has no user accounts. |
| 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. | thread. is an AI email assistant that reads an email thread, drafts a reply in your voice, and inserts it into Gmail or Outlook. |
| Support | The pricing page lists standard support for Starter, priority support for Team and Pro, and VIP support for Business and Ultimate. | The maker lists [email protected] for questions and says it will try to clarify the privacy policy by email. |
Plans
Spike
- StarterFree
- Team$4 a month
- Business$8 a month
- FreeFree
- Pro$6 a month
- Ultimate$12 a month
- Email App FreeFree
- Teamspace StarterFree
- Teamspace Team$4 a month
- Email App Pro$6 a month
In their own words
Spike
Spike combines email, calls, notes, tasks, and to-dos in a single hub, and presents email threads as chat-like conversations. It has a unified inbox, scheduled sending, and calendar tools, and runs on Android, iOS, macOS, web, and Windows. Spike AI can draft messages and replies, summarize conversations, and provide an assistant; free tiers list 10 queries for several AI features. Teamspace adds channels, shared inboxes, groups, collaborative documents and tasks, and audio and video meetings. Spike works with existing accounts such as Gmail, Office 365 or Outlook, Exchange, iCloud, Yahoo, and other IMAP accounts. Cloud attachments can use Google Drive, Dropbox, or OneDrive, and calendars can connect with Google Calendar, Outlook, and Apple Calendar. Spike says it encrypts messages with AES-256 using a per-message private key, and undergoes periodic external security audits. The Email App Free plan includes one address, 60 days of search history, 1 GB storage, and 30 MB file uploads. Email App Pro is $6 a month billed annually; Ultimate is $12 a month billed annually.
thread.
thread. has no write-up on Specifiction yet; its figures are above.