PlanetScale vs Azure Cosmos DB: Which Should You Choose in 2026?
Choosing between PlanetScale and Azure Cosmos DB comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
PlanetScale
MySQL serverless platform
Best for you if:
- • You want the higher-rated option (8.8/10 vs 8.6/10)
- • You want to try before committing
- • You need serverless databases features specifically
- • Serverless MySQL platform
- • Branching for database like Git
Azure Cosmos DB
Globally distributed multi-model database on Azure
Best for you if:
- • You need managed databases features specifically
- • Azure Cosmos DB is a globally distributed NoSQL database with multiple consistency models
- • It provides single-digit millisecond latency and automatic scaling worldwide
| At a Glance |  PlanetScale | |
|---|---|---|
Price | Free + Paid | Paid |
Best For | Serverless Databases | Managed Databases |
Rating | 88/100 | 86/100 |
| Feature | PlanetScale | Azure Cosmos DB |
|---|---|---|
| Pricing Model | Freemium | Paid |
| Editorial Score | 88 | 86 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Serverless DatabasesManaged Databases | Managed DatabasesDatabase Builders |
Understanding the Differences
Both PlanetScale and Azure Cosmos DB solve similar problems, but they approach them differently.PlanetScale positions itself as "mysql serverless platform" while Azure Cosmos DBfocuses on "globally distributed multi-model database on azure". These differences matter depending on what you're trying to accomplish.
When to Choose PlanetScale
PlanetScale makes sense if you're looking for a budget-friendly option with a free tier solution. With a score of 88/100, it's our top pick in this comparison.
When to Choose Azure Cosmos DB
Azure Cosmos DB is worth considering if you need a professional-grade tool.
Who Should Use What?
Bootstrapped or small team?
When every dollar counts, PlanetScale lets you get started without pulling out your credit card.
We'd pick: PlanetScale
Growing fast?
Your team doubled last quarter and you need tools that won't break when you add 50 more people. PlanetScale handles scale better in our testing.
We'd pick: PlanetScale
Enterprise with complex needs?
You need SSO, compliance certifications, and a support team that picks up the phone. Azure Cosmos DB takes enterprise seriously.
We'd pick: Azure Cosmos DB
Still not sure? Answer these 3 questions
How much can you spend?
Tight budget? Start free with PlanetScale, upgrade when you're ready.
Do you care what other users think?
Both have similar review counts. Read a few before you commit.
Expert opinion or crowd wisdom?
Our team rated PlanetScale higher (88/100). But the community has upvoted Azure Cosmos DB more (0 votes). Pick your source of truth.
Key Takeaways
What PlanetScale Does Better
- Higher overall score (88/100)
- Our recommendation for most use cases
Consider Azure Cosmos DB If
- Its specific features better match your workflow
- You prefer its interface or design approach
The Bottom Line
If we had to pick one, we'd go with PlanetScale (88/100). But the honest answer is that "better" depends on your situation. PlanetScale scores higher in our analysis, but Azure Cosmos DB might be the right choice if its specific strengths align with what you need most. Take advantage of free trials to test both before committing.
Frequently Asked Questions
Is PlanetScale or Azure Cosmos DB better?
Based on our analysis, PlanetScale scores higher with 88/100. PlanetScale isfreemium while Azure Cosmos DB is paid. The best choice depends on your specific needs and budget. We recommend testing both with free trials if available.
Can I switch from PlanetScale to Azure Cosmos DB easily?
Migration difficulty varies. Check if both tools support data export/import in compatible formats. Some tools offer migration assistance or have integration partners who can help with the transition.
Do PlanetScale and Azure Cosmos DB offer free trials?
Most software in this category offers free trials or free tiers. PlanetScale is freemium with a free tier.Azure Cosmos DB is paid with potential trial. Visit their websites for current trial offers.