LaunchDarkly vs Loops
Enterprise feature management, experimentation, release automation
vs. Email marketing for SaaS — loops, transactional, campaigns in one
Pricing tiers
LaunchDarkly
Developer (Free)
Free forever. Unlimited seats + flags + projects. 30 SDKs. 5K session replays/mo. 10M logs/traces.
Free
Foundation
$12/month per service connection + $10/month per 1K client-side MAU. Unlimited seats, experimentation, SSO.
$12/mo
Enterprise
Custom. Advanced targeting, release automation, workflows, approvals, SAML/SCIM, custom roles.
Custom
Guardian
Custom. All Enterprise + release monitoring, guardrail metrics, auto pause/rollback.
Custom
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
Free-tier quotas head-to-head
Comparing developer on LaunchDarkly vs free on Loops.
| Metric | LaunchDarkly | Loops |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
LaunchDarkly · 15 features
- AI Configs — Manage AI prompts, models, and parameters as flags.
- Approvals — Require co-sign before flag changes in prod.
- Audit Log — Every change logged with user + timestamp.
- Auto Pause/Rollback — Guardrail metrics auto-revert a bad release.
- Code References — Scan code for flag references + stale flag cleanup.
- Contexts — Multi-context targeting: user + organization + device in one evaluation.
- Experimentation — A/B/n testing with stat significance. Bayesian + frequentist.
- Feature Flags — Boolean, multivariate (string/number/JSON) flags with targeting rules.
- Observability — Logs + traces + errors linked to flag changes.
- Relay Proxy — Self-hosted evaluation proxy for compliance / low-latency.
- Release Pipelines — Progressive rollout workflows with guards + approvals.
- SAML / SCIM — Enterprise SSO + SCIM provisioning.
- Session Replay — Frontend session recordings tied to flag exposure.
- Targeting Rules — Rule-based targeting on user attributes, country, device, custom contexts.
- Workflows — Scheduled flag changes + conditional workflows.
Loops · 12 features
- API Keys — Scoped keys for testing vs production.
- Audiences (Segments) — Filter contacts by properties + event behavior.
- Campaign Analytics — Open/click/unsubscribe rates, heatmaps, A/B significance.
- Campaigns — One-off broadcasts to audience segments. Schedule + A/B test subject.
- Contacts — Contact records with custom properties (strings, numbers, booleans, dates).
- Email Editor — Visual block-based + Markdown + HTML modes.
- Events — Send events to trigger loops/journeys or filter audiences.
- Loops (Automations) — Event-triggered automation flows with delays + conditions.
- Mailing Lists — Opt-in lists with subscribe/unsubscribe preferences per list.
- Template Library — Pre-built templates for SaaS use cases (onboarding, digest, launch).
- Transactional API — Send transactional emails (receipts, password resets) via /transactional endpoin…
- Webhooks — Subscribe to contact/event changes.
Developer interfaces
| Kind | LaunchDarkly | Loops |
|---|---|---|
| CLI | LaunchDarkly Relay Proxy | — |
| SDK | go-server-sdk, launchdarkly-android-client-sdk, launchdarkly-ios-client-sdk, launchdarkly-java-server-sdk, launchdarkly-js-client-sdk, launchdarkly-node-server-sdk, launchdarkly-react-client-sdk, launchdarkly-react-native-client-sdk, LaunchDarkly.ServerSdk, launchdarkly-server-sdk-python | @loops/loops, loops-py |
| REST | LaunchDarkly REST API | Loops REST API |
| OTHER | Streaming Flag Eval, Webhooks | Webhooks |
Staxly is an independent catalog of developer platforms. Outbound links to LaunchDarkly and Loops are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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