Softwr

Databases · head to head

Couchbase vs GNAT Pro

Couchbase logo

Couchbase

Databases

The modern database for enterprise applications

From
Free
Free plan
Yes
Visit CouchbaseFull review
GNAT Pro logo

GNAT Pro

Developer Tools

Software development environments and toolchains for Ada, C/C++ and Rust

From
On request
Free plan
No
Visit GNAT ProFull review

The short version

  • Couchbase is a distributed NoSQL cloud database.
  • Couchbase is free; GNAT Pro prices on request.
  • Where Couchbase falls short: the free tier is a single node with 8 GB of storage and forum support only.
  • Where GNAT Pro falls short: no pricing published on website; requires contacting AdaCore directly for quotes.
  • Prices and features on this page were last checked on 13 November 2026.

Where they differ

Only the attributes on which Couchbase and GNAT Pro actually diverge.

Attributes where Couchbase and GNAT Pro differ
AttributeCouchbaseGNAT Pro
Starting priceFreeOn request
Pricing modelFreemiumQuote
Free tierYesNo
PlatformsLinux, Windows, macOS, Self-hosted, WebWeb
CategoryDatabasesDeveloper Tools

Not yet recorded: founded for GNAT Pro.

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 Couchbase

  • JSON Document Model
  • SQL++ Query
  • Full-text Search
  • Eventing
  • Analytics
  • Mobile Sync
  • Multi-dimensional Scaling
  • Kafka

Only in GNAT Pro

Nothing recorded that Couchbase does not also cover.

What people use each for

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

Couchbase

  • Running a distributed NoSQL document database as a managed servicenot GNAT Pro
  • Mobile sync and offline first applications backed by a cloud databasenot GNAT Pro

GNAT Pro

  • Building certified avionics software meeting DO-178B/C standardsnot Couchbase
  • Developing automotive embedded systems with ISO-26262 compliancenot Couchbase
  • Integrating Ada, C/C++, and Rust components in single codebasenot Couchbase
  • Managing software supply chain vulnerabilities and SBOMsnot Couchbase
  • Supporting long-lived software systems spanning decadesnot Couchbase

Where each one falls short

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

Couchbase

  • The free tier is a single node with 8 GB of storage and forum support only
  • Node rates are hourly and quoted as starting figures, from $0.15 an hour on Basic to $0.49 on Enterprise
  • The Developer Pro and Enterprise plans require 3 nodes, so the hourly rate multiplies before any usage
  • Backup storage is billed separately at $0.07 per GB a month, and analytics backups at $0.14
  • Support response time is a plan feature, at 8 hours on Developer Pro against 30 minutes on Enterprise
  • AI and analytics run as separately priced planes at up to $0.86 an hour per node

GNAT Pro

  • No pricing published on website; requires contacting AdaCore directly for quotes
  • Vendor indicates per-user, per-year subscription model but does not disclose specific costs

Pricing, plan by plan

Couchbase

Free
  • CommunityFree
    • Full features
    • Community support
    • Self-managed
  • Capella FreeFree
    • Managed service
    • Limited resources
    • Cloud hosted

GNAT Pro

On request

No published plan breakdown. See the GNAT Pro review.

Which should you pick?

Choose Couchbase if

  • You need json document model.
  • You want to start without paying.
  • You work on Linux, Windows, macOS, Self-hosted, Web.
  • You also want sql++ query.
Couchbase review

Choose GNAT Pro if

Nothing in the data separates GNAT Pro from Couchbase on the points above - pick on price and on how each one feels to use.

GNAT Pro review

Questions people ask

Is Couchbase or GNAT Pro better?
Neither clearly leads. Couchbase starts at Free and GNAT Pro at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Couchbase or GNAT Pro?
Couchbase has a free tier; the other does not. Paid plans start at Free for Couchbase and On request for GNAT Pro.
Does Couchbase or GNAT Pro run on more platforms?
Couchbase runs on Linux, Windows, macOS, Self-hosted, Web. GNAT Pro runs on Web.
Can I use Couchbase for free?
Yes. Couchbase has a free tier, so you can try it without paying. GNAT Pro starts at On request.
What is Couchbase best used for?
Couchbase is most often used for running a distributed nosql document database as a managed service, mobile sync and offline first applications backed by a cloud database. Of those, running a distributed nosql document database as a managed service and mobile sync and offline first applications backed by a cloud database are not what GNAT Pro is typically brought in for.
What can Couchbase do that GNAT Pro cannot?
Couchbase covers JSON Document Model, SQL++ Query, Full-text Search, Eventing.

Answered from the vendors’ own pages

Couchbase: Does Couchbase offer a free tier?

Yes, Couchbase offers a free tier option. Users can start for free from the main website.

Source
GNAT Pro: How much does GNAT Pro cost?

GNAT Pro pricing is not published on the website. Customers must request a pricing quote by contacting AdaCore directly or speaking with a GNAT Pro expert.

Source
Couchbase: How do I access Couchbase pricing details?

Couchbase maintains a dedicated pricing page, but detailed tier information and costs are not available on the homepage. You can visit the pricing page or contact their sales team.

Source
GNAT Pro: What is GNAT Pro licensing model?

GNAT Pro is sold on a per-user, per-year basis with no license locks. Customers can request pricing for their specific needs.

Source
Share

Related pages

More on Couchbase

More on GNAT Pro

Keep looking

Other head to heads