Qdrant vs OneSignal
Rust-based vector DB — high performance, OSS, managed cloud
vs. Mobile + web push, email, SMS, and in-app messaging at consumer scale
Pricing tiers
Qdrant
Free Forever
Single-node 0.5 vCPU / 1 GB RAM / 4 GB disk. Free cloud inference models.
Free
Standard
Usage-based. Dedicated resources, flexible scaling. 99.5% SLA. Backups + DR. Free inference tokens.
$0 base (usage-based)
Self-Host (OSS)
Apache 2.0 licensed. Run for free.
$0 base (usage-based)
Hybrid Cloud (BYOC)
Run managed cluster on your infra. Data stays in your network.
Custom
Premium
Min spend required. SSO + private VPC links. 99.9% SLA. 24x7 enterprise support.
Custom
Private Cloud
Dedicated + isolated. Custom SLA. Large enterprise.
Custom
OneSignal
Free
Unlimited mobile push, 10K web push subs, 10K email/mo, 1 journey. GDPR compliant.
Free
Growth
$19/mo + usage. 20K email/mo included, then $1.50/1K. 3 journeys. Advanced in-app.
$19/mo
Professional
Custom. Unlimited volume, 20 journeys, CSV export, prioritized support.
Custom
Enterprise
Custom. Dedicated CSM, SLA, frequency capping, advanced permissions, HIPAA options.
Custom
Free-tier quotas head-to-head
Comparing free on Qdrant vs free on OneSignal.
| Metric | Qdrant | OneSignal |
|---|---|---|
| active journeys | — | 1 journeys |
| email monthly | — | 10000 emails/mo |
| mobile push | — | Unlimited subscribers |
| web push subscribers | — | 10000 subscribers |
Features
Qdrant · 13 features
- BYOC (Hybrid Cloud) — Managed Qdrant in your cloud account.
- Cloud Inference — Hosted embedding models for free tokens.
- Cluster Monitoring — Prometheus metrics + health.
- Collections — Typed collections with named vectors + payload schema.
- Distributed — Horizontal sharding + Raft replication.
- Hybrid Search — Sparse + dense + keyword in one query.
- Multi-Vector — Multiple vectors per point (text + image, etc.).
- Open Source — Apache 2.0 licensed.
- Payload Filters — Rich filter DSL with indexed fields.
- Quantization — Scalar + product + binary for memory reduction.
- RBAC — API-key scopes + roles.
- Snapshots + Restore — Backup + DR primitives.
- Sparse Vectors — BM25 + SPLADE sparse embeddings natively.
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).
Developer interfaces
| Kind | Qdrant | OneSignal |
|---|---|---|
| SDK | go-client, java-client, qdrant-client (py), qdrant-client (rust), qdrant-dotnet, @qdrant/js-client-rest | OneSignal Android SDK, onesignal_flutter, OneSignal iOS SDK, @onesignal/node-onesignal, OneSignal Unity SDK, OneSignal Web SDK, react-native-onesignal |
| REST | Qdrant REST API | OneSignal REST API |
| MCP | Qdrant MCP | — |
| OTHER | Qdrant gRPC | Outbound Webhooks |
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