OneSignal vs LaunchDarkly

OneSignal

LaunchDarkly

OneSignal · 12 features

• A/B Testing — Split testing across push, email, in-app.
• Analytics + Cohorts — Delivery, open, click, conversion metrics + retention cohorts.
• Email — Transactional + marketing email with templates.
• Frequency Capping — Limit message frequency per user.
• In-App Messaging — In-app banners, modals, surveys, carousels triggered by events.
• Intelligent Delivery — Optimize send time per user with ML.
• Journeys — Multi-step automations with branching, delays, actions.
• Live Activities — iOS Dynamic Island + Live Activities.
• Mobile Push — iOS (APNs), Android (FCM/HMS) push notifications.
• Segments — Dynamic audience targeting by tags, location, behavior.
• SMS — Two-way SMS in 200+ countries.
• Web Push — Browser push via service workers (Chrome, Firefox, Edge, Safari, Opera).

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.