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ScyllaDB is positioned for low-latency, high-throughput workloads, vector search and feature stores. But its pricing is not clearly stated in the published information, and Reddit commenters say a license change affects self-hosted users. They cite a commercial-license requirement above 50 vCPUs or 10TB of available storage. If that changes your cost calculation, start by matching the replacement to the workload: document apps, search, analytics and relational data need different tools.
01Why people leave ScyllaDB
License limits create uncertainty
Commenters on one Reddit thread say the license change requires a commercial license above 50 vCPUs or 10TB of available storage.
Smaller teams question the price
Reddit commenters call ScyllaDB pricing expensive for smaller companies; the published information does not list a starting price.
The replacement may not match
The alternatives here target different workloads, from document apps to analytics. Switching means choosing a new fit, not assuming a like-for-like substitute.
02The alternatives, ranked by fit
- Document apps and vectors
MongoDB AtlasMongoDB AtlasMongoDB Atlas is a closer fit if your application is document-first or you want database and vector search in one project. The pricing summary lists a free tier and a starting price of $8. That gives teams a low-cost way to explore, but it does not establish that Atlas will match ScyllaDB’s performance for your workload.
Trade-off: Choose it for document data, not simply because your app stores JSON.
7.3/10from
$8/mofree plan - Caching and AI memory
RedisRedisRedis is worth considering when ScyllaDB is serving real-time caching, streaming or AI agent memory needs. The pricing summary lists a free plan and a $5 starting price, but also says Redis Pro has a $200 monthly minimum. Check which product and plan you need before comparing that entry price with your current bill.
Trade-off: Redis Pro’s $200 monthly minimum can change the cost comparison.
7.4/10from
$5/mofree plan - Search and retrieval
ElasticsearchElasticsearchIf search is the reason you chose ScyllaDB, Elasticsearch is more specifically aimed at full-text search and vector or hybrid retrieval. Its listed starting price is $99, but that is only the entry point: the published pricing summary says costs scale with usage. Budget against your expected production load, not just the starting figure.
Trade-off: $99 is an entry point, not a fixed production bill.
6.5/10from
$99/mo - Open-source relational data
PostgreSQLPostgreSQLPostgreSQL fits teams that want an open-source database for relational data with JSON needs. It may make sense if ScyllaDB’s licensing terms are the main concern and your application can be built around planned schemas. The published pricing summary identifies a free option but does not list a starting price for paid offerings.
Trade-off: Its flexibility still requires teams to plan schemas.
8.0/10from
Freefree plan - Managed Postgres projects
NeonNeonNeon is an option if you want a Postgres backend, database branching or support for variable application load. The published pricing summary lists a free plan and a $15 starting price. That makes it easier to compare than ScyllaDB’s unpublished starting price, but Neon’s usage-based pricing still needs budgeting.
Trade-off: Usage-based pricing makes costs harder to forecast.
7.0/10from
$15/mofree plan - Real-time analytics
ClickHouseClickHouseClickHouse is the more relevant choice if ScyllaDB is carrying SQL analytics over large datasets. The published summary lists local and cloud options, but no starting price. It also warns that cloud bills can vary and that the engineering work is part of the decision; this is a workload-specific switch, not a general database replacement.
Trade-off: The engineering burden and variable cloud bill need scrutiny.
7.8/10from
Custom
03Side by side
| Tool | Score | From | Free plan | Best for |
|---|---|---|---|---|
| 6.6 | Custom | No | Low-latency, high-throughput workloads | |
| 7.3 | $8/mo | Yes | Teams building document-based applications | |
| 7.4 | $5/mo | Yes | Apps needing real-time caching and streaming | |
| 6.5 | $99/mo | No | Teams building full-text search | |
| 8.0 | Free | Yes | Teams choosing an open-source database | |
| 7.0 | $15/mo | Yes | Teams building on Postgres | |
| 7.8 | Custom | No | Teams building real-time analytics |
Questions people ask
Is ScyllaDB better than Cassandra?
There is not enough comparative evidence here to call one better. ScyllaDB is positioned for low latency, while one Reddit thread discusses Cassandra’s user base and recent development; commenters there disagree about how much older concerns still apply. Compare both against your own workload and operating requirements.
Is ScyllaDB better than MongoDB?
They are positioned for different jobs. ScyllaDB targets low-latency, high-throughput workloads, while MongoDB Atlas is described as a fit for document-based applications and projects combining a database with vector search. Choose by workload rather than treating either as a universal winner.
Can I use ScyllaDB for free?
The published information does not establish ScyllaDB’s current free-use terms or list a starting price. Commenters on one Reddit thread say a license change requires a commercial license above 50 vCPUs or 10TB of available storage. Verify the current license terms directly before relying on self-hosting as a free option.
