SingleStore vs ScyllaDB

Compare SingleStore and ScyllaDB on pricing, features, platforms, and ratings — both Databases tools, Usage-based (free tier available) vs Open source core…

At a Glance

 SingleStoreScyllaDB
Primary categoryDatabasesDatabases
RatingNot documentedNot documented
Pricing modelUsage-based (free tier available)Open source core with paid Enterprise (self-managed) and fully managed Cloud tiers
Starting priceFree (Shared tier); Standard plans from $0.99 per hourFree (open source); ScyllaDB Cloud and Enterprise pricing available on request
Free planYesNot documented
Free trialNot documentedNot documented
PlatformsNot documentedNot documented
Team collaborationNot documentedNot documented
AI featuresYesNot documented
Public APIYesYes

Pricing Compared

Starting price reflects the lowest paid tier, not the full cost for every team size or usage level.

SingleStore

Shared — Free Monthly
Standard — From $0.99/hour Usage-based (hourly)
Enterprise — From $1.49/hour Usage-based (hourly)
BYOC (Bring Your Own Cloud) — Custom pricing Custom

ScyllaDB

Open Source — Free N/A
Enterprise — Custom quote Contact sales
Cloud Standard — Usage-based, contact sales Hourly resource billing
Cloud Professional — Usage-based, contact sales Hourly resource billing
Cloud Premium — Usage-based, contact sales Hourly resource billing

Pros & Cons

SingleStore

Pros

  • Unifies transactional and analytical workloads in a single database
  • Free Shared tier lowers the barrier to evaluation
  • Full ANSI SQL compatibility eases migration from existing systems
  • Native vector search suits modern AI and RAG use cases
  • Usage-based pricing scales cost with actual workload size

Cons

  • Usage-based hourly pricing can become expensive at large scale
  • Enterprise features (audit logging, PITR) require the higher-priced tier
  • Recent private equity acquisition (2025) introduces some roadmap uncertainty
  • Smaller ecosystem and community than long-established databases like PostgreSQL
  • BYOC and custom enterprise pricing require a sales conversation rather than transparent self-serve pricing

ScyllaDB

Pros

  • Consistently cited by users as significantly lower latency than Cassandra under heavy load
  • DynamoDB-compatible API can meaningfully reduce cloud database costs for high-throughput workloads
  • Free, actively maintained open source edition with no licensing cost for self-managed use
  • Fully managed Cloud option removes operational burden for teams that do not want to self-host
  • Drop-in compatibility with existing Cassandra tooling and drivers eases migration

Cons

  • No public flat-rate pricing for Enterprise or Cloud tiers, requiring a sales conversation to get a quote
  • Operating a self-managed cluster still requires distributed systems expertise
  • Smaller ecosystem and third-party tooling compared to long-established Cassandra or DynamoDB
  • AGPL licensing on the open source edition can raise compliance questions for some organizations
  • Migrating fully off Cassandra or DynamoDB still requires careful testing despite compatibility layers

Use Cases

SingleStore

  • Real-time operational dashboards — Teams use SingleStore to power customer-facing and internal dashboards that need fresh data queried with low latency, without a separate ETL step into a warehouse.
  • AI and retrieval-augmented generation applications — Developers use SingleStore's native vector search alongside relational data to build RAG pipelines and AI-powered search features.
  • High-throughput transactional workloads — Companies with demanding OLTP requirements use SingleStore to combine transaction processing and analytics in one distributed system.

ScyllaDB

  • Real-time messaging and notification systems — Applications like chat and notification platforms use ScyllaDB for its ability to sustain very high write throughput with predictable low latency at scale.
  • Migrating off DynamoDB to control costs — Teams facing high or unpredictable DynamoDB bills use ScyllaDB's Alternator API to move workloads to self-managed or ScyllaDB Cloud infrastructure without a full data layer rewrite.
  • Replacing Cassandra for lower latency — Organizations running large Cassandra clusters that experience garbage collection pauses or tail latency issues evaluate ScyllaDB as a wire-compatible, lower-latency replacement.

Read the full SingleStore review · Read the full ScyllaDB review