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Technology · head to head

Redis vs Tuta

Redis logo

Redis

Technology

The real-time data platform

From
Free
Rated
-
Full reviewWebsite
Tuta logo

Tuta

Cybersecurity

Secure, green and ad-free. Email to feel good about.

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Redis licensing changed from BSD to AGPL in 2025, impacting open-source usage; Tuta individual plan pricing only shown in EUR; no USD conversion provided on site

Where they differ

Only the attributes on which Redis and Tuta actually diverge.

Attributes where Redis and Tuta differ
AttributeRedisTuta
Pricing modelUnknownfreemium
PlatformsLinux, macOS, WindowsWeb
CategoryTechnologyCybersecurity
Founded2009Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Redis

  • In-memory data store
  • Data structures
  • Pub/Sub messaging
  • Lua scripting
  • Transactions
  • Persistence options
  • Replication
  • Clustering

Only in Tuta

Nothing recorded that Redis does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

Redis

  • Cachingnot Tuta
  • Session managementnot Tuta
  • Real-time analyticsnot Tuta
  • Message queuingnot Tuta
  • Leaderboardsnot Tuta

Tuta

  • Private encrypted email communicationnot Redis
  • Users valuing end-to-end encryption and zero-knowledge architecturenot Redis
  • Individuals seeking open-source email clientsnot Redis
  • Organizations requiring quantum-resistant encryptionnot Redis

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Redis

  • Licensing changed from BSD to AGPL in 2025, impacting open-source usage
  • All data must fit in memory, limiting scalability to available RAM
  • No built-in support for multi-tenancy
  • Limited transaction support compared to traditional databases

Tuta

  • Individual plan pricing only shown in EUR; no USD conversion provided on site
  • Family plan pricing separate (EUR 3 or EUR 8 per additional user) not included in main pricing
  • Shared mailboxes require additional EUR 3-8 monthly charges

Pricing, plan by plan

Redis

Free

No published plan breakdown. See the Redis review.

Tuta

Free
  • Free PlanFree
    • 1 GB storage
    • 1 calendar
    • 3 labels
  • Revolutionary Plan$3/month
    • 20 GB storage
    • 15 email aliases
    • 3 custom domains
  • Legend Plan$8/month
    • 500 GB storage
    • 30 email aliases
    • 10 custom domains

Which should you pick?

Choose Redis if

  • You need in-memory data store.
  • You want to start without paying.
  • You work on Linux, macOS, Windows.
  • You also want data structures.
Redis review

Choose Tuta if

  • You want to start without paying.
Tuta review

Questions people ask

Is Redis or Tuta better?
Neither clearly leads. Redis starts at Free and Tuta at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Redis or Tuta?
Redis starts at Free and Tuta at Free.
Does Redis or Tuta run on more platforms?
Redis runs on Linux, macOS, Windows. Tuta runs on Web.
Can I use Redis for free?
Both have a free tier, so you can try either at no cost before committing.
What is Redis best used for?
Redis is most often used for caching, session management, real-time analytics, message queuing. Of those, caching and session management are not what Tuta is typically brought in for.
What can Redis do that Tuta cannot?
Redis covers In-memory data store, Data structures, Pub/Sub messaging, Lua scripting.

Answered from the vendors’ own pages

Redis: Is Redis open source?

Redis was open source under the BSD license since its inception in 2009 and has remained open source. However, in 2024-2025, Redis Labs changed licensing to source-available and AGPL, prompting the creation of Valkey, a BSD-licensed open-source fork.

Source
Tuta: How much does Tuta email cost?

Tuta offers a free plan with 1 GB storage. Paid plans are EUR 3/month (Revolutionary) with 20 GB storage and 15 email aliases, and EUR 8/month (Legend) with 500 GB storage and 30 email aliases. Family plan add-ons cost EUR 3-8 per additional mailbox member monthly.

Source
Redis: What is Redis used for?

Redis is an in-memory data structure store used primarily as a cache, database, and message broker. It provides high-speed data access for real-time applications, sessions, leaderboards, real-time analytics, and other use cases requiring fast data retrieval.

Source
Tuta: Is there a free email plan with Tuta?

Yes, Tuta's free plan includes 1 GB of storage, one calendar, three labels, and full end-to-end encryption security features with no custom domains or email aliases.

Source
Tuta: What are the limits on Tuta's free email plan?

The free plan provides 1 GB storage, access to one calendar, three labels maximum, and no support for custom domains or additional email aliases.

Source
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