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Technology · head to head

Close vs CodeSandbox

Close logo

Close

Technology

The inside sales CRM of choice for startups & SMBs

From
$9/month
Free plan
No
Full reviewWebsite
C

CodeSandbox

Developer Tools

Cloud platform for instant, isolated development sandboxes and code execution

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Only CodeSandbox has a free tier, so it costs nothing to try first.
  • Each has a real cost: Close hidden costs beyond subscription: calling charges (~$0.02/minute), SMS usage fees, phone numbers ($1-5/month), AI call assistant ($50/month + $0.02/min transcription); CodeSandbox detailed paid plan pricing was not published on the accessible pages, making cost comparison difficult.
  • They diverge on capability: Close covers Built-in calling, CodeSandbox covers Instant sandboxes.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Close and CodeSandbox actually diverge.

Attributes where Close and CodeSandbox differ
AttributeCloseCodeSandbox
Starting price$9/monthFree
Pricing modelUnknownfreemium
Free tierNoYes
PlatformsWeb, iOS, Androidweb, api
CategoryTechnologyDeveloper Tools
Founded2013Unknown

Identical on both: 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 Close

  • Built-in calling
  • Email automation
  • SMS messaging
  • Pipeline management
  • Lead management
  • Activity tracking
  • Reporting
  • Mobile app

Only in CodeSandbox

  • Instant sandboxes
  • Programmatic sandbox API
  • Secure isolated execution
  • Browser-based editor
  • CI/CD sandbox support
  • Scalable VM infrastructure

What people use each for

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

Close

  • Inside salesnot CodeSandbox
  • Outbound salesnot CodeSandbox
  • Lead managementnot CodeSandbox
  • Sales engagementnot CodeSandbox
  • Pipeline trackingnot CodeSandbox

CodeSandbox

  • Running AI agent-generated code safely in isolationnot Close
  • Prototyping and sharing web projects in-browsernot Close
  • Executing untrusted code for a code playground productnot Close
  • Using sandboxes as ephemeral CI/CD build environmentsnot Close

Where each one falls short

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

Close

  • Hidden costs beyond subscription: calling charges (~$0.02/minute), SMS usage fees, phone numbers ($1-5/month), AI call assistant ($50/month + $0.02/min transcription)
  • No built-in lead lists, company intelligence, or contact enrichment; must source leads separately
  • Limited marketing automation compared to competitors like HubSpot; lacks lead scoring and nurturing campaigns
  • Calling cost at scale can double effective monthly cost for high-volume SDR teams making 50+ calls per day
  • Limited customization of data model compared to Salesforce; cannot create fully custom objects or complex relationships

CodeSandbox

  • Detailed paid plan pricing was not published on the accessible pages, making cost comparison difficult.
  • Focus has shifted toward programmatic sandbox infrastructure, which may be less approachable for casual users just wanting a quick online editor.
  • Public sandboxes are visible to others by default, which is not ideal for proprietary code.

Pricing, plan by plan

Close

$9/month
  • Solo$9/month (annual)
    • 1 user only
    • 10,000 leads max
    • Calling, email, SMS
  • Essentials$35/month (annual)
    • Unlimited contacts
    • Team collaboration
    • 1,000 AI credits/month
  • Growth$99/month (annual)
    • Automation workflows
    • Power dialer
    • Bulk email
  • Scale$139/month (annual)
    • Role-based permissions
    • Predictive dialer
    • Unlimited recording

CodeSandbox

Free
  • FreeFree
    • Public sandboxes
    • Basic sandbox usage

Which should you pick?

Choose Close if

  • You need built-in calling.
  • You work on Web, iOS, Android.
  • You also want email automation.
Close review

Choose CodeSandbox if

  • You need instant sandboxes.
  • You want to start without paying.
  • You work on web, api.
  • You also want programmatic sandbox api.
CodeSandbox review

Questions people ask

Is Close or CodeSandbox better?
Neither clearly leads. Close starts at $9/month and CodeSandbox at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Close or CodeSandbox?
CodeSandbox has a free tier; the other does not. Paid plans start at $9/month for Close and Free for CodeSandbox.
Does Close or CodeSandbox run on more platforms?
Close runs on Web, iOS, Android. CodeSandbox runs on web, api.
Can I use CodeSandbox for free?
Yes. CodeSandbox has a free tier, so you can try it without paying. Close starts at $9/month.
What is Close best used for?
Close is most often used for inside sales, outbound sales, lead management, sales engagement. Of those, inside sales and outbound sales are not what CodeSandbox is typically brought in for.
What can Close do that CodeSandbox cannot?
Close covers Built-in calling, Email automation, SMS messaging, Pipeline management. CodeSandbox covers Instant sandboxes, Programmatic sandbox API, Secure isolated execution, Browser-based editor.

Answered from the vendors’ own pages

Close: What are Close's pricing plans and what do they include?

Close offers four plans: Solo ($9-19/user/month), Essentials ($35-49), Growth ($99-109), and Scale ($139-149). All include calling, email, SMS, and Chloe AI agent access. Essentials adds unlimited contacts and team collaboration. Growth adds automation, power dialer, and custom activities. Scale adds role-based permissions and unlimited recording. Annual billing saves up to 50%.

Source
CodeSandbox: Does CodeSandbox offer a free tier?

Yes, CodeSandbox offers a free option available on the platform. Users can start for free.

Source
Close: What are the hidden costs in Close's pricing beyond the subscription?

Close charges usage-based fees for calling (~$0.02 per minute), SMS charges per message, and phone number rentals ($1-5/month). The AI Call Assistant add-on costs $50/month plus $0.02 per minute for transcription. Heavy outbound calling teams can see their total costs increase 30-50% beyond the base seat price.

Source
CodeSandbox: Where can I find CodeSandbox's pricing details?

CodeSandbox maintains a dedicated pricing page, but specific tier names, feature breakdowns, and costs are not displayed on the landing page.

Source
Close: What is Chloe, Close's AI sales agent, and what can it do?

Chloe is an AI sales agent built into Close that automatically calls leads, qualifies prospects through real conversations, and can book meetings while updating the CRM automatically. Chloe features AI-generated call summaries, transcripts, and action items automatically logged to contacts.

Source
Close: Does Close include lead lists, data enrichment, or contact information?

No. Close does not provide built-in lead lists, company intelligence, or contact enrichment features. Organizations must source leads separately or use third-party data providers. This differs from platforms like HubSpot which include integrated lead databases.

Source
Close: What communication features does Close include?

Close includes built-in calling with automatic call logging, email templates and bulk email capabilities, SMS messaging with tracking and automation, email syncing with Gmail, and automated follow-up workflows. All communication happens within the CRM platform.

Source
Close: Does Close have marketing automation capabilities?

Close's marketing automation features are limited compared to HubSpot. It includes basic email sequences, task reminders, and workflow automation, but lacks advanced lead scoring, nurturing campaigns, and detailed marketing analytics. Organizations requiring extensive marketing automation need separate tools.

Source
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