OneSignal vs Deepgram
Mobile + web push, email, SMS, and in-app messaging at consumer scale
vs. Enterprise-grade speech-to-text + voice agents — Nova + Flux + Aura TTS
Pricing tiers
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
Deepgram
Pay-as-you-go
$200 free credit. No minimums, no expiration.
$0 base (usage-based)
Growth
Starting $4K+/year prepay. Up to 20% savings.
$4000/mo
Enterprise
Custom. Data residency, dedicated support, on-prem option.
Custom
Free-tier quotas head-to-head
Comparing free on OneSignal vs payg on Deepgram.
| Metric | OneSignal | Deepgram |
|---|---|---|
| active journeys | 1 journeys | — |
| email monthly | 10000 emails/mo | — |
| mobile push | Unlimited subscribers | — |
| web push subscribers | 10000 subscribers | — |
Features
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).
Deepgram · 15 features
- Aura TTS — Low-latency text-to-speech (<250ms).
- Data Residency — EU / US / custom regions.
- Diarization — Speaker identification.
- Intent Detection — Detect speaker intents automatically.
- Keyterm Prompting — Boost accuracy for proper nouns + domain terms.
- Language Detection — Auto-detect spoken language.
- On-Prem Deployment — Enterprise: run Deepgram in your infra.
- PII Redaction — Auto-redact sensitive info.
- Pre-recorded STT — Transcribe audio/video files.
- Sentiment Analysis — Per-segment sentiment scores.
- Smart Format — Numbers, dates, times auto-formatted.
- Streaming STT — Realtime WebSocket-based transcription.
- Summarization — Automatic transcript summaries.
- Topic Detection — Auto-extract conversation topics.
- Voice Agent API — Unified STT + LLM + TTS for voice bots.
Developer interfaces
| Kind | OneSignal | Deepgram |
|---|---|---|
| SDK | OneSignal Android SDK, onesignal_flutter, OneSignal iOS SDK, @onesignal/node-onesignal, OneSignal Unity SDK, OneSignal Web SDK, react-native-onesignal | deepgram-dotnet-sdk, deepgram-go-sdk, deepgram-rust-sdk, @deepgram/sdk (Node), deepgram-sdk (Python) |
| REST | OneSignal REST API | Deepgram REST API |
| OTHER | Outbound Webhooks | Streaming WebSocket, Voice Agent API |
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