Aerospike vs KeyDB: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Aerospike and KeyDB side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Aerospike
Real-time NoSQL database for high performance
Best for you if:
- • You want extreme performance
KeyDB
The Faster Redis Alternative for high-throughput, low-latency data storage.
Best for you if:
- • You want a fully free tool (Aerospike requires payment)
| At a Glance | Aerospike | KeyDB |
|---|---|---|
Starts at | Free plan | Free 100% free |
Category | Data & Databases Managed Databases | Data & Databases Cloud & Infrastructure |
Rating | 4.5/5 G2 4.4 · Capterra 4.7 86 reviews | 3.7/5 G2 4.6 · SourceForge 2.5 16 reviews |
Free plan | Yes | Yes |
Choose Aerospike or KeyDB?
Choose Aerospike if
- You want extreme performance
- You want cost-effective at scale
Choose KeyDB if
- You want a fully free tool (Aerospike requires payment)
- You want multi-threaded Redis
- You want redis compatible
In-Depth Analysis
Aerospike
Real-time NoSQL database for high performance
Aerospike's pricing model is fair and generous, offering a robust free Community tier for open-source users.
Strengths
- Pro: Extreme performance
- Pro: Cost-effective at scale
- Pro: Hybrid memory architecture
- Pro: High availability
Weaknesses
- Con: Smaller community
- Con: Complex operations
- Con: Limited query language
Key features
KeyDB
The Faster Redis Alternative for high-throughput, low-latency data storage.
KeyDB's pricing is quite generous with a robust free open-source tier offering significant features.
Strengths
- Pro: Multi-threaded Redis
- Pro: Redis compatible
- Pro: Better performance
- Pro: Open source
- Pro: Active replication
Weaknesses
- Con: Less ecosystem than Redis
- Con: Smaller community
- Con: Documentation gaps
- Con: Production concerns
- Con: Less support
Key features
Plans and prices: Aerospike vs KeyDB
| Tool | Plans and prices | Source |
|---|---|---|
| Aerospike |
| aerospike.com/pricing read Sep 29, 2026 |
| KeyDB |
| keydb.dev read Sep 30, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Aerospike pricing and KeyDB pricing.
Key Takeaways
Aerospike
- Choose if you want real-time NoSQL database for high performance
KeyDB
- Choose if you want the Faster Redis Alternative for high-throughput, low-latency data storage
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- User ratings rest on too few reviews to rank (4.5/5 from 86 reviews for Aerospike, 3.7/5 from 16 reviews for KeyDB; we compare ratings only above 20 reviews on both sides).
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Aerospike and KeyDB compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. User ratings rest on too few reviews to rank (4.5/5 from 86 reviews for Aerospike, 3.7/5 from 16 reviews for KeyDB; we compare ratings only above 20 reviews on both sides). Both have a free plan.
What are Aerospike and KeyDB used for?
Aerospike: Real-time NoSQL database for high performance. KeyDB: The Faster Redis Alternative for high-throughput, low-latency data storage.
What does Aerospike cost vs KeyDB?
Aerospike has no public paid-plan price on file. KeyDB is free. Prices read on the vendors' pricing pages, latest check Sep 30, 2026.
What's the main difference between Aerospike and KeyDB?
Aerospike's main strength: extreme performance. KeyDB's main strength: multi-threaded Redis.