Staxly

Loops vs CircleCI

Email marketing for SaaS — loops, transactional, campaigns in one
vs. Fast, configurable CI/CD with Docker, ARM, GPU runners and orbs

Loops websiteCircleCI website

Pricing tiers

Loops

Free
1,000 subscribed contacts. 4,000 sends/month. All features. Loops footer on emails.
Free
Paid — 1.5k
1,500 contacts. Unlimited sends. No footer.
$15/mo
Paid — 5k
5,000 contacts. Unlimited sends.
$49/mo
Paid — 10k
10,000 contacts.
$99/mo
Paid — 25k
25,000 contacts.
$199/mo
Paid — 50k
50,000 contacts.
$349/mo
Custom
>100k contacts — contact sales.
Custom
Loops website

CircleCI

Free
$0. 6,000 build minutes/mo (Linux medium). 30 users. Unlimited projects.
Free
Performance
$15/mo (3 users). Credit-based: 80K-240K credits/mo bundles. More concurrency.
$15/mo
Scale
$2,000/mo+ (custom). High concurrency, self-hosted runner support, SSO.
$2000/mo
CircleCI Server
Custom. On-prem deployment of CircleCI. Enterprise only.
Custom
CircleCI website

Free-tier quotas head-to-head

Comparing free on Loops vs free on CircleCI.

MetricLoopsCircleCI
No overlapping quota metrics for these tiers.

Features

Loops · 12 features

  • API KeysScoped keys for testing vs production.
  • Audiences (Segments)Filter contacts by properties + event behavior.
  • Campaign AnalyticsOpen/click/unsubscribe rates, heatmaps, A/B significance.
  • CampaignsOne-off broadcasts to audience segments. Schedule + A/B test subject.
  • ContactsContact records with custom properties (strings, numbers, booleans, dates).
  • Email EditorVisual block-based + Markdown + HTML modes.
  • EventsSend events to trigger loops/journeys or filter audiences.
  • Loops (Automations)Event-triggered automation flows with delays + conditions.
  • Mailing ListsOpt-in lists with subscribe/unsubscribe preferences per list.
  • Template LibraryPre-built templates for SaaS use cases (onboarding, digest, launch).
  • Transactional APISend transactional emails (receipts, password resets) via /transactional endpoin
  • WebhooksSubscribe to contact/event changes.

CircleCI · 17 features

  • ARM + GPU RunnersARM64 + T4 GPU resource classes.
  • .circleci/config.ymlSingle source of truth (YAML 2.1).
  • ContextsOrg-scoped shared env vars.
  • Deploy MarkersTrack deployments + rollback.
  • Docker Layer CachingReuse Docker layers.
  • Dynamic ConfigGenerate config based on changed paths.
  • Manual ApprovalGate workflows with manual step.
  • Matrix JobsParameterized parallel jobs.
  • OrbsPackaged reusable jobs + commands.
  • ParallelismSplit a job across N parallel containers.
  • Rerun with SSHSSH into failed job.
  • Restricted ContextsRBAC for secrets.
  • Scheduled PipelinesCron-triggered runs.
  • Self-Hosted RunnersOn your infra.
  • Test InsightsFlaky test detection + trends.
  • Test SplittingBy timings, filenames, classnames.
  • Workflows (DAG)Fan out, fan in, conditional.

Developer interfaces

KindLoopsCircleCI
CLIcircleci CLI
SDK@loops/loops, loops-py
RESTLoops REST APICircleCI REST API v2
OTHERWebhooks.circleci/config.yml, CircleCI Orbs Registry, CircleCI Webhooks, CircleCI Web UI, Self-Hosted Runner
Staxly is an independent catalog of developer platforms. Some links to Loops and CircleCI may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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