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Head-to-head · Database Proxy Software

HeliosProxy vs MariaDB MaxScale

  • Updated Nov 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score HeliosProxy #5 in Database Proxy Software 8.7/10 Open source ✓ 4 of 4 features Visit HeliosProxy
MariaDB MaxScale #6 in Database Proxy Software 8.6/10 Pricing on request · 30-day trial Free trial✓ 4 of 4 features Visit MariaDB

HeliosProxy leads on 0 checks, MariaDB MaxScale on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreHeliosProxy · 8.7/10
  • Free trialonly MariaDB MaxScale

HeliosProxy scores higher on our rubric for database proxy software: 8.7 against 8.6 out of 10; our editors rank them #5 and #6.

On deployment model, MariaDB MaxScale gives you Both where HeliosProxy offers Self-hosted.

HeliosProxy is the better fit for advanced PostgreSQL proxy engineering. MariaDB MaxScale is the better fit for enterprise MariaDB proxy operations.

  • HeliosProxy fits best

    Advanced PostgreSQL proxy engineering

  • MariaDB MaxScale fits best

    Enterprise MariaDB proxy operations

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Side by side

Feature HeliosProxy 8.7/10 Visit ↗ MariaDB MaxScale 8.6/10 Visit ↗
At a glance
Editor score 8.7 8.6
Ranking #5 in Database Proxy Software #6 in Database Proxy Software
Best for Advanced PostgreSQL proxy engineering Enterprise MariaDB proxy operations
Pricing model Free Paid
Starting price Open source Pricing on request · 30-day trial
Free plan Not checked yet —
Free trial — 30 days
Deployment Self-hosted Cloud, Self-hosted, Browser extension
Support Docs, Community Community, Docs
Built for Small business, Mid-market, Enterprise Enterprise, Mid-market
Features HeliosProxy 4/4 · MariaDB MaxScale 4/4
Connection pooling ✓ ✓
Query routing ✓ ✓
Load balancing ✓ ✓
Automatic failover ✓ ✓
Specs
Deployment model Self-hosted Both
Supported databases PostgreSQL-compatible databases MariaDB Server, MySQL-compatible servers, ColumnStore, Enterprise Cluster, MongoDB protocol
Maximum connections Not checked yet Not checked yet
Our review
Pros
  • Session, transaction, and statement connection pooling modes
  • Routing, load balancing, health monitoring, and automatic failover
  • WASM plugins, traffic replay, and major-version upgrade orchestration
  • SQL-aware routing, read/write splitting and load balancing
  • Automatic failover with connection migration and transaction replay
  • Firewalling, caching, streaming and multiple administration interfaces
Cons
  • Self-hosted deployment requires customer-managed infrastructure
  • Database support centers on PostgreSQL-compatible backends
  • Advanced capabilities may require PostgreSQL proxy engineering expertise
  • Production use requires an enterprise subscription
  • Pricing uses a contact-sales model
  • No free plan is available
Our verdict

HeliosProxy is an open-source PostgreSQL data-plane for routing database connections and traffic between clients and PostgreSQL-compatible backends. It is designed for teams operating self-hosted PostgreSQL environments that need more…

Read the review →

MariaDB MaxScale is a database proxy and intelligent query router for production and mission-critical MariaDB environments. It sits between applications and backend databases, handling SQL-aware query routing, read/write splitting,…

Read the review →
  1. HeliosProxyDatabase Proxy Software 8.7Open source
  2. MariaDB MaxScaleDatabase Proxy Software 8.6Pricing on request · 30-day trial

Strengths and trade-offs

  • HeliosProxy — where it wins

    • Session, transaction, and statement connection pooling modes
    • Routing, load balancing, health monitoring, and automatic failover
    • WASM plugins, traffic replay, and major-version upgrade orchestration

    Where it doesn't

    • Self-hosted deployment requires customer-managed infrastructure
    • Database support centers on PostgreSQL-compatible backends
    • Advanced capabilities may require PostgreSQL proxy engineering expertise
  • MariaDB MaxScale — where it wins

    • SQL-aware routing, read/write splitting and load balancing
    • Automatic failover with connection migration and transaction replay
    • Firewalling, caching, streaming and multiple administration interfaces

    Where it doesn't

    • Production use requires an enterprise subscription
    • Pricing uses a contact-sales model
    • No free plan is available
  • HeliosProxy8.7/10 · Open source

    A deep self-hosted PostgreSQL proxy for teams building advanced traffic and failover control.

    Visit HeliosProxyFull verdict →
  • MariaDB MaxScale8.6/10 · Pricing on request · 30-day trial

    A feature-rich MariaDB proxy for routing, failover and production database operations.

    Visit MariaDBFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026

Last updated · How we research and update