Spark Mail vs Spike

Spark Mail

• People juggling several email accounts across desktop and phone
• Individuals who want a free client with a unified inbox and send later
• Small teams that want to comment on emails and draft replies together

Spike

• People who prefer chat-style conversations to long email threads
• Small teams that want email, chat, notes and calls in one app
• Managing several email accounts from a single inbox

Spark Mail

• The vendor lists apps for Mac, Windows, iOS and Android only; there is no web or Linux version.
• Gatekeeper, Priority, Spark +AI and third-party integrations require Plus or higher.
• Shared inboxes, read statuses and the HubSpot integration are limited to Pro and Enterprise.
• The free plan's AI is a limited preview: 5 meeting notes in total and 1 month of email history for the AI Assistant.

Spike

• The free Email App plan handles 1 email address and searches only the last 60 days.
• Free plans allow 10 queries per AI feature, and the AI Feed of unread-mail summaries needs a paid plan.
• Shared Inbox, connecting your own domain and the WhatsApp integration need the Teamspace Team plan or higher.
• Apps are listed for Android, iOS, Windows and Mac, plus a web app. No Linux app is listed.

Spark Mail

Smart Inbox and unified inbox

Brings every connected account into one inbox and separates priority mail from newsletters and notifications. Included in the free plan.

Gatekeeper and Priority

Gatekeeper lets you accept or block new senders before they land in the inbox, and Priority highlights chosen senders. Both are part of Plus and above.

Spark +AI and AI Assistant

+AI drafts, proofreads, summarizes and translates email. The AI Assistant answers questions about your mail, reaching back 1 month on Free, 1 year on Plus and without limit on Pro.

Snooze, Send Later and reminders

Snooze a message, set it aside, schedule a send or get a follow-up reminder. These scheduling tools are in the free plan.

Team collaboration

Share a thread with teammates, discuss it in private comments and write drafts together in real time. Shared inboxes for addresses such as support@ need Pro.

Calendar and AI meeting notes

A built-in calendar can add Zoom, GoTo or Microsoft Teams call links. AI meeting notes are capped at 5 in total on Free and 40 a month on Plus, and unlimited on Pro.

Spike

Conversational email

Threads are shown as chat-like conversations grouped by person. People who do not use Spike receive a regular email.

Unified and Priority Inbox

Connect several email accounts to one inbox, with important messages sorted first. The free Email App plan takes 1 address, Pro takes 3 and Ultimate is unlimited.

Spike AI

Generates messages and replies with context, summarizes long threads and translates. Free plans get 10 queries per AI feature, and paid plans are unlimited.

Channels, groups and Shared Inbox

Teamspace adds public channels, private groups that outside guests can join, and from the Team plan a Shared Inbox for handling team email together.

Notes, tasks and calendar

Collaborative notes and tasks live in the inbox and can be shared with guests, next to a unified calendar that syncs work and business calendars.

Video and audio calls

Calls start from a conversation, and people without Spike can join by link with no app to install. Free plans are limited to 1:1 calls.

Spark Mail

• Free$0

  Unlimited accounts, Smart Inbox, unified inbox, snooze, send later, reminders, calendar and 5 lifetime AI meeting notes.

• Plus$8.25

  per user / month, billed annually ($99); $10 billed monthly

  Adds Gatekeeper, Priority, Spark +AI, the AI Assistant with 1 year of history, 40 AI meeting notes a month, integrations and team collaboration.

• Pro$16.58

  per user / month, billed annually ($199); $20 billed monthly

  Everything in Plus, plus shared inboxes, read statuses, unlimited AI meeting notes, HubSpot integration and Spark CLI triage access.

• EnterpriseCustom

  Everything in Pro, plus security and controls, a dedicated success manager and 1:1 productivity coaching.

Spike

• Email App Free$0

  Smart Inbox for 1 email address, 1:1 video calls, 60 days of search history, 1 GB of storage in notes and tasks, and 10 queries per AI feature.

• Teamspace Starter$0

  Up to 3 members with @spike.team addresses, 1 teamspace, 15 GB of storage per member and 60 days of search history.

• Teamspace Team$4

  per member / month, billed annually ($5 billed monthly)

  Custom email domain, unlimited search history, 100 GB of storage per member, Shared Inbox and unlimited Spike AI.

• Email App Pro$6

  per user / month, billed annually ($8 billed monthly)

  Unified inbox for up to 3 email addresses, unlimited search history, 5-person video calls, 5 GB of storage and unlimited Spike AI.

• Teamspace Business$8

  per member / month, billed annually ($10 billed monthly)

  Everything in Team with 1 TB of storage per member, 500 MB file uploads, calls for up to 50 people and VIP support.

• Email App Ultimate$12

  per user / month, billed annually ($16 billed monthly)

  Unlimited email addresses, 10-person video calls, 20 GB of storage, 1 GB file uploads and VIP support.

Spark Mail

• Annual discount

  Save 17% with annual billing

  The pricing page shows Plus at $99 a year instead of $120 and Pro at $199 a year instead of $240 when billed annually, a 17% saving over paying monthly.

Spike

• Annual discount

  Save 20% to 25% with yearly billing

  Teamspace Team is $4 per member / month billed annually against $5 monthly, a 20% saving. Email App Pro is $6 against $8 and Ultimate $12 against $16, which the page labels as 25% off.

• Other savings

  Free custom domain for a year on annual plans

  An annual Teamspace Team or Business subscription includes a new custom email domain free for 1 year, on extensions such as .net, .org and .co.uk.