Comparison

Spike vs Tuta

On the evidence we track, Spike leads this comparison with a composite score of 63/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Spike63
Tuta39
Score
vioscaleAI score
Spike63 / 100low · 49%
Tuta39 / 100medium · 61%
Pricing
Free tier
Spike✓
Tuta✓
Model
Price level
Spikelow
Tutalow
Starting price
Spike$6
Tuta–
Transparent
Spike✓
Tuta–
Integrations
Count
Spike1
Tuta1
Adoption
Dependent repos
Spike–
Tuta5
Github stars
Spike–
Tuta8,009
Activity
Commits last 30d
Spike–
Tuta100
Release
History
Spike–
License
Spdx
Spike–
Language
Primary
Spike–
Content
Faq

Capabilities

Feature-by-feature on the axes that matter for email clients. “-” means undocumented, not absent.

Capabilities
Deployment model
Spike-
Tuta-
Universal imap smtp exchange support
Spike-
Tuta-
Keyboard shortcut only navigation speed
Spike-
Tuta-
Split inbox AI auto categorization
Spike-
Tuta-
Read receipts and open tracking
Spike-
Tuta-
Snooze and scheduled send later
Spike-
Tuta-
Generative AI LLM email drafting
Spike-
Tuta-
Conversational chat layout view
Spike✓
Tuta-
Unified multi account inbox view
Spike✓
Tuta-
Pgp end to end encryption support
Spike-
Tuta✓
SOC2 type ii
Spike-
Tuta-
ISO 27001
Spike-
Tuta-
Pricing model
Spike-
TutaFreemium

What each one is

The product in its own terms, so the numbers below have context.

Spike

Leader

Spike combines email with team messaging features in a single platform, offering a unified inbox view across multiple accounts and calendars. It serves as a collaboration and communication tool for freelancers, entrepreneurs, and teams.

Independently observed

Tuta

An email service that provides end-to-end encryption for messages, contacts, and calendar data across devices.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Spike

Leader
from $6/moSubscriptionFree tier

Free tier available for up to 3 members. Team plans start at $4/seat/month (annual). Personal plans from $6/month.

  • StarterFree
    • 1 teamspace
    • Free @spike.team email address
    • 60 days search history
    • Spike AI (10 queries)
    • Standard support
  • Team$4/seat/month billed annually
    • Unlimited Spike AI
    • Free custom domain (yearly)
    • Unlimited search history
    • Broadcast channels
    • Shared inbox
    • +2 more
  • Business$8/seat/month (launching soon)
    • SAML-SSO
    • 500 MB file uploads
    • VIP support
  • Smart InboxFree
    • 1 email address
    • 60 days search history
    • Unified calendar
  • Pro$6/month
    • Voice messages
    • 1-click unsubscribe
    • Guest collaborators
  • Ultimate$12/month
    • All Pro features
    • 20 GB storage
    • 1 GB file uploads
as of verify ↗

Tuta

HybridFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Spike✓
Tuta✓
iOS
Spike✓
Tuta✓
Android
Spike✓
Tuta✓
macOS
Spike✓
Tuta✓
Windows
Spike✓
Tuta✓
Linux
Spike✗
Tuta✓
Deployment
Cloud / SaaS
Spike✓
Tuta✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Spike

Leader
1 total
  • WhatsApp
Independently observed

Tuta

3 total
  • Gmail
  • Thunderbird
  • Nextcloud
Independently observed
Still deciding?

Spike or Tuta: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.