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Developer Tools · head to head

CLion vs Knack

CLion logo

CLion

Developer Tools

A cross-platform IDE for C and C++

From
Free
Free plan
Yes
Visit CLionFull review
Knack logo

Knack

Databases

Hosted no-code database and web app builder priced by stored records and storage, with unlimited user accounts on every plan.

From
$59/month
Free plan
No
Visit KnackFull review

The short version

  • CLion is free; Knack starts at $59/mo.
  • Where CLion falls short: specific subscription pricing not listed on product page.
  • Prices and features on this page were last checked on 13 November 2026.

Where they differ

Only the attributes on which CLion and Knack actually diverge.

Attributes where CLion and Knack differ
AttributeCLionKnack
Starting priceFree$59/month
Pricing modelFreemiumSubscription
Free tierYesNo
CategoryDeveloper ToolsDatabases

Identical on both: platforms (Web).

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 CLion

Nothing recorded that Knack does not also cover.

Only in Knack

  • Visual database builder
  • User logins and roles
  • Page builder
  • Unlimited users
  • E-commerce
  • Automation flows
  • Scheduled tasks
  • REST API and webhooks

What people use each for

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

CLion

  • C and C++ development with real-time analysisnot Knack
  • Embedded systems and ARM toolchain developmentnot Knack
  • Remote development via Docker and WSLnot Knack
  • Educational programming instructionnot Knack
  • Cross-platform development for Linux and Windowsnot Knack

Knack

  • A member or client portal where thousands of external people need their own login and see only their own recordsnot CLion
  • Replacing a shared spreadsheet used by a team that has outgrown it but cannot justify a developer to build a bespoke internal toolnot CLion
  • Inventory, asset or case tracking for a small operations team that needs roles, forms and a record of who changed whatnot CLion
  • A registration or booking application for an association, school or non-profit where the user count is large and the record count stays modestnot CLion

Where each one falls short

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

CLion

  • Specific subscription pricing not listed on product page
  • Requires reference to separate store page for tier details
  • AI credits needed for integrated AI features
  • No mention of free trial for commercial use

Knack

  • Plans are capped by stored records, so an application that logs events or keeps history rather than current state climbs tiers on data volume alone, and archiving old records becomes a permanent maintenance chore rather than a one-off
  • API access is capped per day, at 1,000 calls on the entry plan and 10,000 at the Corporate tier, so a scheduled sync or a busy automation can exhaust the day's quota before the working day ends and integrations then fail silently
  • The application itself cannot be exported or self-hosted; records can be downloaded but the pages, roles, flows and business logic exist only inside Knack, so outgrowing the platform means rebuilding the app rather than moving it
  • Customisation beyond the builder is limited to injected CSS and JavaScript that Knack's support does not cover, so any non-standard interface behaviour becomes yours to maintain against a DOM the vendor can change without warning
  • Compliance capabilities that regulated buyers assume are baseline, HIPAA and GovCloud options, advanced SSO, IP restrictions and private environments, are gated to the Corporate and Enterprise tiers, so a small regulated pilot cannot legitimately start on an entry plan

Pricing, plan by plan

CLion

Free
  • Free (Non-commercial)Free
    • Non-commercial use license
    • Full IDE features for hobby and open-source projects
  • Free (Educational)Free
    • Student licenses
    • Teacher licenses
    • Full IDE access for educational purposes
  • SubscriptionOn request
    • Different subscription options for individuals and organizations
    • 25% discount for switching from competing products

Knack

$59/month
  • Starter$59/mo
    • 20,000 database records
    • Unlimited users, tables, fields
    • 25 AI credits
  • Pro$130/mo
    • 50,000 database records
    • Remove Knack branding
    • E-commerce payments
  • Corporate$300/mo
    • 125,000-2.5M database records
    • App restore functionality
    • Advanced SSO
  • EnterpriseOn request
    • Dedicated account manager
    • HIPAA/GovCloud-based options
    • Custom pricing

Which should you pick?

Choose CLion if

  • You want to start without paying.
CLion review

Choose Knack if

  • You need visual database builder.
  • You also want user logins and roles.
Knack review

Questions people ask

Is CLion or Knack better?
Neither clearly leads. CLion starts at Free and Knack at $59/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, CLion or Knack?
CLion has a free tier; the other does not. Paid plans start at Free for CLion and $59/month for Knack.
Does CLion or Knack run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use CLion for free?
Yes. CLion has a free tier, so you can try it without paying. Knack starts at $59/month.
What is CLion best used for?
CLion is most often used for c and c++ development with real-time analysis, embedded systems and arm toolchain development, remote development via docker and wsl, educational programming instruction. Of those, c and c++ development with real-time analysis and embedded systems and arm toolchain development are not what Knack is typically brought in for.
What can CLion do that Knack cannot?
Knack covers Visual database builder, User logins and roles, Page builder, Unlimited users.

Answered from the vendors’ own pages

CLion: Is CLion free?

CLion offers free licenses for students, teachers, and non-commercial use. Commercial users can purchase subscriptions with organization pricing available.

Source
Knack: Is Knack charged per user?

No. User accounts are unlimited on all plans. Plans are bounded by stored record count, file storage, API calls per day and automation transactions.

CLion: What free options does CLion provide?

CLion provides non-commercial use licenses for open-source and hobby projects, plus full licenses for students and teachers without cost.

Source
Knack: What happens when I exceed the record limit?

You move to a higher tier or reduce stored records. Because the limit is on data rather than people, apps that accumulate history hit it while apps that track a fixed set of entities generally do not.

CLion: Does CLion include AI assistance?

Yes, CLion natively integrates AI with support for Claude, GPT, Gemini, and Grok models. Users can apply JetBrains AI credits or bring their own API keys to avoid vendor lock-in.

Source
Knack: Can I export my application or self-host it?

You can export record data. The application itself, its pages, roles, permissions and flows, is not exportable and cannot be self-hosted, so leaving means rebuilding elsewhere.

CLion: Are there discounts for switching to CLion?

CLion offers a competitive discount of 25% for users switching from other IDEs and similar products.

Source
Knack: Is it suitable for public-facing portals?

That is its strongest case, because logins are unlimited and role-based permissions are built in. The constraint is record volume and API throughput, not audience size.

Knack: Can I use it for regulated data?

HIPAA-aligned and government cloud options exist but only on the Enterprise tier, along with private server environments. Lower tiers should not be used for regulated workloads.

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