arq

At a glance

• Editor score
  6.6 / 10
• Pricing
  Open source
• Best for
  Asyncio Redis jobs in Python
• Paid from
  Free
• Deployment model
  Self_hosted
• Facts checked
  20 Sep 2026

• Where it wins

  • Deferred, recurring, retryable, and cancellable jobs
  • Concurrency limits, results, statuses, and uniqueness controls
  • Custom serialization plus worker health and monitoring data

• Where it doesn't

  • Redis is the sole listed integration
  • Requires self-hosted deployment and worker operations
  • The project is maintained in maintenance-only mode

Our verdict on arq

arq is an open-source Python library for asynchronous job queuing and RPC, built around asyncio and Redis. It suits developers who need to enqueue named jobs, defer execution by duration or timestamp, run recurring cron-style work, and process jobs through concurrent workers. The package is self-hosted on Linux and is delivered as a library and command-line worker rather than a hosted task-queue service.

Its feature set covers the core controls expected in an application task queue. Teams can configure retry limits and retry deferral, assign custom job IDs for uniqueness, inspect job results and statuses, and cancel or abort jobs. Configurable concurrency limits help shape worker execution, while custom job serialization and deserialization support application-specific data handling. Health checks and worker monitoring data add operational visibility around the queue.

arq is a focused choice for Python systems already centered on Redis and asyncio, particularly when deferred or recurring jobs, retries, uniqueness, and result inspection are required without adopting a hosted service. Its platform and ecosystem fit are narrower than a queue with broader integrations: Redis is the listed integration, and deployment remains the team's responsibility. The project is also in maintenance-only mode, so teams choosing it should be comfortable with that maintenance posture. Organizations seeking a managed task-queue service or wider integration coverage should consider an alternative.

Your product? Our editors can test arq in depth and publish a review, labelled as paid · from $149/mo →

arq pricing

arq fact sheet

arq integrations

arq lists 1 integrations on its own site.

• Redis

Alternatives to arq

• HatchetA code-first queue for durable execution, observable workflows, and AI task orchestration.9.4
• Trigger.devA strong fit for durable TypeScript tasks, queues, retries, and preview environments.9.2
• InngestA flexible task engine for serverless teams that need durable, observable execution.9.0

See all arq alternatives →

Featured on iTechGuides

arq is listed in our Task Queue Software directory. Add the badge to your site — it links back to this page.

<a href="https://www.itechguides.com/products/arq/"><img src="https://www.itechguides.com/best/badge/arq.svg" alt="Featured on iTechGuides" width="230" height="46"></a>

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated 7 Oct 2026 · How we research and update