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SPECIFICTION
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Spike

spikenow.com

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Spec score 9.0 #10 of 142 in Email clients

What it is

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.

Spec sheet

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.Read 4 Oct 2026 · spikenow.com
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.Read 4 Oct 2026 · spikenow.com
Platforms
Spike lists iOS, Android, Windows, macOS, and web browser as supported devices.Read 4 Oct 2026 · spikenow.com
Free plan
YesRead 21 Sep 2026 · spikenow.com
Paid from
4Read 21 Sep 2026 · spikenow.com
Integrations
Spike supports Google Drive, Dropbox, and OneDrive for cloud attachments, and its calendar feature names Google Calendar, Outlook, and Apple Calendar.Read 4 Oct 2026 · spikenow.com
Security
Spike says message data is encrypted with AES-256 using a per-message private key and that it has periodic external security audits.Read 4 Oct 2026 · spikenow.com
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.Read 4 Oct 2026 · spikenow.com
Support
The pricing page lists standard support for Starter, priority support for Team and Pro, and VIP support for Business and Ultimate.Read 4 Oct 2026 · spikenow.com
Account limit
3Read 21 Sep 2026 · spikenow.com
AI features
Spike AI can generate messages and replies, summarize conversations, and provide an AI assistant; the free tiers list 10 queries for several AI features.Read 4 Oct 2026 · spikenow.com
App coverage
allRead 21 Sep 2026 · spikenow.com
Calendar tools
YesRead 21 Sep 2026 · spikenow.com
Email providers
Spike says it works with existing email accounts including Gmail, Office 365 or Outlook, Exchange, iCloud, Yahoo, and other IMAP accounts.Read 4 Oct 2026 · spikenow.com
Limits
The Email App Free plan limits search history to 60 days, storage to 1 GB, and uploads to 30 MB per file; the paid plan comparison lists 3 addresses for Pro and unlimited addresses for Ultimate.Read 4 Oct 2026 · spikenow.com
Scheduled sending
YesRead 21 Sep 2026 · spikenow.com
Security assessment
Spike says it passed an independent security audit and identifies Bishop Fox as the auditing firm.Read 4 Oct 2026 · spikenow.com
Team collaboration
Teamspace includes channels, shared inboxes, groups, collaborative docs and tasks, and audio and video meetings.Read 4 Oct 2026 · spikenow.com
Unified inbox
YesRead 21 Sep 2026 · spikenow.com

Plans and prices

Starter Free 3 members · 1 teamspace · 60 days search history · 15 GB storage per member Read 21 Sep 2026 · spikenow.com
Team $4 a month billed annually Unlimited search history · 100 GB storage per member Read 21 Sep 2026 · spikenow.com
Business $8 a month billed annually 1 TB storage per member · 500 MB file upload Read 21 Sep 2026 · spikenow.com
Free Free 1 email address · 60 days search history · 1 GB storage · 30 MB file upload Read 21 Sep 2026 · spikenow.com
Pro $6 a month billed annually 3 email addresses · 5 video call participants · 5 GB storage · 100 MB file upload Read 21 Sep 2026 · spikenow.com
Ultimate $12 a month billed annually Unlimited email addresses · 10 video call participants · 20 GB storage · 1 GB file upload Read 21 Sep 2026 · spikenow.com
Email App Free Free 1 email address · 60 days of search history · 1 GB storage · 30 MB file uploads · 1:1 video calls Read 4 Oct 2026 · spikenow.com
Teamspace Starter Free Up to 3 members · 1 teamspace · 60 days of search history · 15 GB storage per member · 15 MB file uploads Read 4 Oct 2026 · spikenow.com
Teamspace Team $4 a month billed annually Per member · unlimited search history · 100 GB storage per member · 100 MB file uploads · shared inbox · free custom email domain for one year Read 4 Oct 2026 · spikenow.com
Email App Pro $6 a month billed annually Per user · up to 3 email addresses · unlimited search history · 5 GB storage · 100 MB file uploads · priority support Read 4 Oct 2026 · spikenow.com
Teamspace Business $8 a month billed annually Per member · 1 TB storage per member · 500 MB file uploads · VIP support · video call recording and SAML-SSO marked “SOON” Read 4 Oct 2026 · spikenow.com
Email App Ultimate $12 a month billed annually Per user · unlimited email addresses · unlimited search history · 20 GB storage · 1 GB file uploads · VIP support · video call recording and SAML-SSO marked “SOON” Read 4 Oct 2026 · spikenow.com

Every Spike plan and price →

Strong points and limits

Strong points

  • Works with Gmail, Outlook, Exchange, iCloud, Yahoo, and IMAP.
  • Includes scheduled sending and calendar tools.
  • Teamspace supports shared inboxes, documents, tasks, and meetings.
  • Message data uses AES-256 encryption, according to Spike.

Limits

  • Free Email App search history is limited to 60 days.
  • Free Email App storage is 1 GB.
  • Free Email App uploads are limited to 30 MB per file.
  • Pro costs $6 a month billed annually.

Who it suits

Spike says its Email App suits people upgrading an existing email experience or managing multiple accounts. Teamspace is aimed at people creating a new address and collaborating with a team.

Verdict

Spike combines email with collaboration and AI features across mobile, desktop, and web. Check which product track and plan fits: Email App and Teamspace have distinct features and limits.

Where Specifiction places it

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