AWS vs Azure: Which Cloud Platform Is Better for Small Business in 2026?

Why This Comparison Matters for Small Business

Most cloud comparison articles focus on enterprise workloads — massive Kubernetes clusters, petabyte data warehouses, global multi-region architectures. That is not what small businesses need. A typical SMB cloud workload is a web application with a database, some file storage, email sending, maybe a background job queue, and a CDN for static assets. The total monthly bill is $50-$500, not $50,000.

At this scale, both AWS and Azure can handle everything you need. The real questions are: which platform is easier for your team to manage, which integrates better with your existing tools, and which will not surprise you with unexpected costs? This guide focuses on those practical concerns.

Full Comparison

Market share and pricing current as of April 2026. Service catalogs evolve frequently.

Compute: Running Your Application

For a small business web application, you need a reliable server. On AWS, that means an EC2 instance — the t3.small or t3.medium are popular choices for SMB workloads, costing roughly $15-$30/month with on-demand pricing. AWS also offers Graviton-based instances (ARM architecture) that deliver 20-40% better price-performance for compatible workloads.

On Azure, the equivalent is a B-series Virtual Machine. The B1ms and B2s are comparable to AWS t3 instances for bursty workloads. Azure's pricing is similar, with the B1ms running about $15/month on-demand. If you have existing Windows Server licenses, Azure Hybrid Benefit lets you bring them to the cloud, saving 40% or more on Windows VM costs — this is Azure's most compelling cost advantage for Microsoft shops.

For serverless compute, AWS Lambda is the more mature option with a generous always-free tier (1 million requests and 400,000 GB-seconds per month, permanently). Azure Functions is comparable in capability and offers a similar free grant. If your application can be structured as serverless functions, both platforms let you run a small business workload for nearly free.

Storage: Files, Backups, and Static Assets

AWS S3 is the industry standard for object storage. It is the service that effectively invented cloud storage, and its durability (99.999999999% — eleven nines) is well-proven. S3 Standard costs about $0.023/GB/month, with cheaper tiers for infrequent access ($0.0125/GB) and archival (Glacier at $0.004/GB).

Azure Blob Storage matches S3 on durability and pricing. Hot tier is about $0.018/GB/month (slightly cheaper than S3 Standard), Cool tier is $0.01/GB, and Archive tier is $0.002/GB. For a small business storing a few hundred gigabytes, the monthly difference is negligible — under $5.

Both platforms offer static website hosting directly from their storage services. For a small business that just needs to host a static marketing site or documentation, this can cost under $1/month on either platform.

Databases: Where Your Data Lives

This is where the decision often gets interesting for small businesses. AWS RDS (Relational Database Service) supports PostgreSQL, MySQL, MariaDB, Oracle, and SQL Server. The smallest RDS instance (db.t3.micro) is free-tier eligible for 12 months and costs about $15/month after that. For most small applications, a single db.t3.small or db.t3.medium ($30-$60/month) handles the load comfortably.

Azure Database for PostgreSQL and Azure Database for MySQL offer equivalent managed database services. Azure's pricing is comparable — the Burstable B1ms starts around $15/month. Where Azure pulls ahead is Azure SQL Database, which offers SQL Server as a fully managed service with features like automatic tuning, built-in intelligence, and elastic pools. If your application uses SQL Server, Azure SQL is significantly cheaper and better integrated than running SQL Server on AWS RDS.

For NoSQL, AWS has DynamoDB (serverless, pay-per-request, generous free tier) and Azure has Cosmos DB (multi-model, global distribution, five consistency levels). DynamoDB is simpler and cheaper for basic key-value workloads. Cosmos DB is more powerful but more expensive and complex. Most small businesses should start with a relational database and add NoSQL only if they have a specific need.

Pricing for Typical SMB Workloads

Here is what a typical small business web application costs on each platform, assuming moderate traffic (50,000-100,000 monthly visitors), a single web server, managed database, object storage, and CDN:

Estimates based on US East region, on-demand pricing, April 2026. Reserved instances or savings plans can reduce costs 30-50%.

At the SMB scale, the platforms are priced nearly identically. The real cost differences come from: (1) Azure Hybrid Benefit if you have Microsoft licenses, (2) reserved instance discounts if you commit to 1 or 3 years, and (3) data transfer costs, which both platforms charge for egress but price differently depending on volume and destination.

CDN and Global Delivery

AWS CloudFront has 600+ edge locations worldwide and integrates tightly with S3, Lambda@Edge, and other AWS services. For a small business, CloudFront typically costs $5-$15/month for moderate traffic and dramatically improves page load times for visitors far from your server region.

Azure CDN (and the newer Azure Front Door) offers comparable global coverage with 190+ points of presence. Azure Front Door adds load balancing, SSL termination, and WAF capabilities, making it a more complete edge solution. For most small businesses, both CDN products perform well and cost similarly.

Auth and Identity

If your application needs user authentication, this is where the platforms diverge most for small businesses. AWS Cognito is functional — it handles sign-up, sign-in, MFA, and social login — but its developer experience is widely criticized as confusing. The pricing is reasonable (50,000 monthly active users free, then $0.0055/user), but the implementation effort is higher than it should be.

Azure AD B2C (now Entra External ID) is more polished, especially if your business already uses Azure Active Directory. It handles customer-facing authentication with customizable login flows, social identity providers, and MFA. Pricing is similar — 50,000 monthly authentications free, then $0.003/authentication. If your employees already use Azure AD, extending that to customer authentication is a natural fit.

For many small businesses, third-party auth services like Auth0, Clerk, or Firebase Authentication may be simpler than either native option. These services cost $0-$25/month for most SMB usage and abstract away the complexity of rolling your own auth on any cloud.

When to Choose Each

Choose AWS if: your team has Linux and open-source expertise, you want the widest selection of services and instance types, you value community resources and third-party integrations, you want the most mature serverless platform (Lambda), or you have no existing Microsoft infrastructure. AWS is the default choice when you have no strong reason to choose otherwise.

Choose Azure if: your business uses Microsoft 365, Active Directory, or .NET applications, you have existing Windows Server or SQL Server licenses (Azure Hybrid Benefit), your team has stronger Microsoft than Linux expertise, or you need tight integration between cloud services and desktop productivity tools. Azure is the natural extension of a Microsoft-centric business.

Pros and Cons

AWS

Azure