Technology · head to head
Close vs Jenkins

Close
Technology
The inside sales CRM of choice for startups & SMBs
- From
- $9/month
- Rated
- -

Jenkins
Technology
A self-hosted automation server that can build almost anything, through a plugin ecosystem that is also its main liability.
- From
- Free
- Rated
- -
The short version
- Only Jenkins 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); Jenkins the controller is stateful and, in the open source distribution, has no high availability: build history, configuration and plugin state live on one filesystem, so every plugin upgrade and core update is downtime for every team using it, and a controller disk failure is a restore-from-backup event.
- They diverge on capability: Close covers Built-in calling, Jenkins covers Plugin ecosystem.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which Close and Jenkins actually diverge.
Identical on both: user rating (Not yet rated), category (Technology).
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 Jenkins
- Plugin ecosystem
- Distributed agents
- Declarative and scripted pipelines
- Shared libraries
- Configuration as Code
- Credentials management
- Self-hosted anywhere
- Multibranch and organisation folders
What people use each for
The jobs each tool is most often brought in to do.
Close
- Inside salesnot Jenkins
- Outbound salesnot Jenkins
- Lead managementnot Jenkins
- Sales engagementnot Jenkins
- Pipeline trackingnot Jenkins
Jenkins
- Builds that must touch physical hardware, such as embedded devices, test rigs or signing modules attached to a specific machinenot Close
- Air-gapped or heavily regulated environments where a hosted CI runner cannot be used at allnot Close
- Toolchains that hosted CI does not support, including node-locked commercial licences for EDA, CAD or simulation softwarenot Close
- Organisations with years of existing Jenkins pipelines where the migration cost currently outweighs the operational cost of stayingnot 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
Jenkins
- The controller is stateful and, in the open source distribution, has no high availability: build history, configuration and plugin state live on one filesystem, so every plugin upgrade and core update is downtime for every team using it, and a controller disk failure is a restore-from-backup event.
- Capability comes from around 1,900 community plugins of very uneven maintenance, and the Jenkins security team regularly publishes advisories for plugins whose maintainer has gone; in some cases the advisory itself states that no fix is available and the only remedy is to stop using it.
- Plugin upgrades are coupled: one plugin can require a newer core or a newer version of another plugin, so applying a single security fix cascades into a coordinated upgrade of a dozen components on a timetable you did not choose.
- Pipelines are Groovy running under a sandbox and a continuation-passing-style transformation, so ordinary Groovy constructs sometimes fail in non-obvious ways, and the debugging skill you build transfers to no other CI system.
- It is free to licence and expensive to run: somebody must own the controller, the agents, the Java version, the credentials store and the plugin upgrade cycle, and that recurring staff cost is the usual reason organisations move to hosted CI even when Jenkins works.
- Leaving is costly by construction, because shared libraries, plugin-specific pipeline steps and accumulated freestyle jobs have no mechanical translation into GitHub Actions or GitLab CI, so the migration is a rewrite whose price grows every year you defer it.
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$139/month (annual)
- Role-based permissions
- Predictive dialer
- Unlimited recording
Jenkins
Free- Open SourceFree
- Unlimited builds
- 1000+ plugins
- Self-hosted
- CloudBees CI$undefined/month
- Enterprise features
- High availability
- Role-based access
Which should you pick?
Choose Close if
- You need built-in calling.
- You work on Web, iOS, Android.
- You also want email automation.
Choose Jenkins if
- You need plugin ecosystem.
- You want to start without paying.
- You work on Linux, Windows, Macos, Docker.
- You also want distributed agents.
Questions people ask
- Is Close or Jenkins better?
- Neither clearly leads. Close starts at $9/month and Jenkins at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Close or Jenkins?
- Jenkins has a free tier; the other does not. Paid plans start at $9/month for Close and Free for Jenkins.
- Does Close or Jenkins run on more platforms?
- Close runs on Web, iOS, Android. Jenkins runs on Linux, Windows, Macos, Docker.
- Can I use Jenkins for free?
- Yes. Jenkins 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 Jenkins is typically brought in for.
- What can Close do that Jenkins cannot?
- Close covers Built-in calling, Email automation, SMS messaging, Pipeline management. Jenkins covers Plugin ecosystem, Distributed agents, Declarative and scripted pipelines, Shared libraries.
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%.
SourceJenkins: Why choose Jenkins over GitHub Actions or GitLab CI?
When the build needs something hosted runners cannot give you: physical hardware, an air-gapped network, a node-locked commercial tool licence, or an unusual platform. If none of those apply, hosted CI is usually less work to own.
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.
SourceJenkins: Can Jenkins run in high availability?
Not in the open source distribution, which runs a single active controller. High availability and active-active controllers are features of CloudBees' commercial products. Open source deployments mitigate it with fast restores and, sometimes, multiple independent controllers.
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.
SourceJenkins: How risky are the plugins?
This is the main operational risk. Many plugins have a single volunteer maintainer, and Jenkins publishes security advisories for unmaintained plugins where no fix exists. Auditing which plugins you depend on and who maintains them should be a periodic task, not a one-off.
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.
SourceJenkins: Do I need to know Groovy?
For declarative pipelines you can go a long way without it. Anything involving shared libraries, conditional logic or custom steps is Groovy, and it runs in a sandboxed, transformed environment where standard Groovy idioms sometimes behave unexpectedly.
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.
SourceJenkins: What does it cost?
The software is free under the MIT licence. The cost is infrastructure and staff time to run controllers, agents and upgrades, plus a CloudBees subscription if you want high availability, support or centralised management of many controllers.
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.
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