Staxly

Amplitude vs Upstash

Digital analytics + experimentation + CDP
vs. Serverless Redis + Kafka + Vector + QStash — per-request pricing

Amplitude websiteUpstash website

Pricing tiers

Amplitude

Starter (Free)
10K Monthly Tracked Users, 10M events/mo. Session Replay + unlimited feature flags + Web Experimentation + AI Feedback included.
Free
Plus
$49/mo (annual). Up to 300K MTUs + 25M events. Unlimited product analytics, behavioral cohorts, feature tagging, custom audiences.
$49/mo
Growth
Custom. Causal insights, Feature Experimentation, real-time streaming, predictive audiences.
Custom
Enterprise
Custom. Cross-product analysis, advanced data controls, mutual exclusion groups, multi-armed bandit.
Custom
Amplitude website

Upstash

Free
Redis: 256 MB + 500k cmds/mo. Vector: 10k queries/mo. QStash: 500 msgs/day.
Free
Pay-as-you-go
Redis: $0.2 per 100k cmds. Vector: $0.4/M queries. QStash: $1 per 100k.
$0 base (usage-based)
Fixed Plans
From $10/mo. 250MB-500GB Redis. $5/read region. 50GB bandwidth included.
$10/mo
Prod Pack
+$200/mo per DB. SLA + RBAC + encryption + SOC-2 + Prometheus + Datadog.
$200/mo
Enterprise
Custom. 100k+ cmd/sec, unlimited bandwidth, HIPAA.
Custom
Upstash website

Free-tier quotas head-to-head

Comparing starter on Amplitude vs free on Upstash.

MetricAmplitudeUpstash
No overlapping quota metrics for these tiers.

Features

Amplitude · 13 features

  • AI Feedback (Asking)Natural language questions over your Amplitude data.
  • Amplitude CDPCustomer Data Platform — identify, segment, sync to 150+ destinations.
  • Causal InsightsAI identifies why a metric changed — root cause.
  • Cross-Product AnalysisAnalyze across multiple apps/products in the same org.
  • Data GovernanceTaxonomies, schemas, approvals, category management.
  • Data Warehouse SyncSync data to/from Snowflake, BigQuery, Redshift, Databricks.
  • Feature ExperimentationServer-side / SDK-level experiments. Growth+.
  • Feature FlagsTargeting rules + rollouts. Unlimited in Starter.
  • North Star MetricPre-built dashboards for key metric tracking.
  • Predictive AudiencesML-based forecasting of user behavior.
  • Product AnalyticsCore events + funnels + retention + segmentation.
  • Session ReplayPixel-perfect user session recording + privacy masking.
  • Web ExperimentationA/B test visual changes on your site without deploy.

Upstash · 12 features

  • Cron (via QStash)Scheduled HTTP callbacks on any interval.
  • Edge-ReadyNative for CF Workers, Vercel Edge, Deno, Bun.
  • Global DatabaseMulti-region Redis reads.
  • HTTP REST APIsEvery product has REST — works from edge runtimes.
  • QStashHTTP-based message queue + cron scheduler for webhooks.
  • QStash WebhooksOutgoing webhook delivery with retries + DLQ.
  • Read RegionsAdd read replicas in any region ($5/mo each).
  • @upstash/ratelimitRedis-backed rate limiter lib.
  • Upstash RedisServerless Redis with HTTP REST + RESP TCP.
  • Upstash SearchFull-text + semantic search engine.
  • Upstash VectorServerless vector DB with REST API. HNSW indexing.
  • Upstash WorkflowDurable workflow runtime built on QStash.

Developer interfaces

KindAmplitudeUpstash
SDKamplitude-analytics-python, @amplitude/analytics-react-native, amplitude-android, amplitude-js / browser-sdk, amplitude-node, AmplitudeSwift (iOS)upstash-redis / vector (Python), @upstash/redis / vector / qstash
RESTAmplitude HTTP API v2, Batch Event API, Export APIQStash REST API, Upstash Redis REST API, Upstash Vector REST
OTHERData Destinations (webhooks)RESP (TCP)
Staxly is an independent catalog of developer platforms. Outbound links to Amplitude and Upstash are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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