Azure App Service is one of the common and most used services. While it is possible to immediately deploy apps, jobs etc., to the app service, a common factor that baffles decision makers is the wide spectrum of the tiers (options of plans) available in the marketspace.
With said that, I have compared the different tiers of Azure App Service, including differences, and tips to choose the right plan matching your unique requirement.
Firstly, every tier supports deploying multiple apps to the same tier at no extra cost; but, there is a catch on the number of applications specific to each tier. So, all your apps must share the resources allotted as part of the tier chosen.
Here’s the comparison of different tiers with critical details.
Free Tier
As the name suggests, this type of Azure App Service Plan is available free of cost but with conditions!
| Configuration | What you get | What you don’t get | When to use |
| Shared Core | Max. 10 apps can be deployed | Instances | PoC & development purposes |
| 60 mins of CPU/day | 10 Logic app definitions | SLA (Support) | Must be avoided under production scenarios as there won’t be SSL and custom domain support. |
| 1 GB Ram | 200 Logic app actions/day | Autoscale, backups, SSL certificate | |
| 1 GB Storage | 500 Active mobile devices/day | Staging environment, custom domain |
Shared Tier
This tier is charged hourly.
| Configuration | What you get | What you don’t get | When to use |
| Shared Core | Max. 100 apps can be deployed | Instances | Suggested only for hosting basic apps where there won’t be adequate security or recovery options. This tier doesn’t support SSL and backups |
| 0.5 GB RAM | 10 Logic app definitions | SLA (support) | |
| 1 GB storage | 200 Logic app actions/day | Auto Scale | |
| 500 Active mobile devices/day | Backups, SSL certificates | ||
| Custom domain | Staging Environment |
Basic Tier
This tier is charged for used: hours and number of instances.
| Configuration | What you get | What you don’t get | When to use |
| Starts from 1 Core | Unlimited app deployment | Auto Scale | The tier to start with. Best suited for production workloads |
| 1.75 GB RAM | 10 Logic App Definitions | Backups | Dedicated instances & with 99.95% SLA, SSL support |
| 10 GB storage | 200 Logic App Actions per day | Staging Environment | Multiple instances help your app load balanced |
| Unlimited Active mobile devices per day, custom domain, Up to 3 Instances, | |||
| Unlimited SNI SSL certs, 99.95% SLA |
Premium Tier
This tier is charged for used: hours and the number of instances.
| Configuration | What you get | When to use |
| Starts from 1 Core | Deploy unlimited apps, 100 Logic App Definitions, 50,000 Logic App Actions per day | Best for premium/high intensive apps production |
| 1.75 GB RAM | Unlimited Active mobile devices per day, custom domain, Up to 50 Instances, Unlimited SNI SSL certs & one IP SSL included | |
| 250 GB storage | 99.95% SLA, Auto Scale, 50 Automated Backups per day, 20 staging environments | |
| This tier offers the best features with access to dedicated App Service Environments (ASEs) carving out private network space in Azure for just your Apps. |
Considerations for utilizing Azure service
As with any Azure service, app service too comes with cause of concerns every user must be aware of.
- Azure Logic Apps are available only to EA customers.
- 165 MB outbound network traffic included, additional outbound network bandwidth charged separately.
- Premium service plan allows up to 50 computes instances (subject to availability) and 500 GB of disk space when using App Service Environments (ASE) and 20 compute instances and 250 GB storage when not using ASE.
- Note: The features and plans can get updated regularly & hence this document can be intended for the basic understanding. For any specific feature details/capacity refer azure plans documentation @https://azure.microsoft.com
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