Free and open first

Best Backend as a Service (BaaS) Software in 2026

Hosted backend components for web and mobile apps are the focus of Backend as a Service (BaaS) tools. This collection suits users seeking databases, authentication, functions, realtime updates, file storage, and APIs without constructing the backend themselves.

20 apps
Research read 28 Sept 2026
How the order is worked out

1

8base

Free plan AndroidAPIiPhone+2

7.7 Free plan · paid from $25/mo Visit site
2

23blocks

Free plan APISelf-hostedWeb

7.6 Free plan · paid from $29.99/mo Visit site
3

Appwrite Realtime

Free plan AndroidAPIiPhone+2

7.6 Free plan Visit site
4

Back4app

Free plan AndroidAPIiPhone+3

7.5 Free plan · paid from $5/mo Visit site
5

CloudKit

Free plan APIiPhoneMac+1

Choose CloudKit if you are building an app around structured iCloud data and want syncing across Apple platforms or the web.

7.4 From $99/yr Visit site
6

Backendless
by Backendless
Free plan WebiPhoneAndroid

Backendless combines core backend services with mobile publishing across three listed platforms.

7.3 Free plan · paid from $15/mo Visit site
7

Convex

Free plan AndroidAPIiPhone+2

7.3 Free plan · paid from $25/mo Visit site
8

FastSchema

Free plan APILinuxMac+3

7.3 Free plan Visit site
9

Kuzzle Backend

Free plan AndroidAPIiPhone+4

7.2 Open source Visit site
10

Nhost

Free plan AndroidAPIiPhone+5

7.2 Free plan · paid from $25/mo Visit site
11

PocketBase

Free plan AndroidAPIiPhone+5

7.1 Free plan Visit site
12

Supabase

Free plan AndroidAPIiPhone+4

Supabase brings a Postgres database and several backend services together, with client libraries and self-hosting documentation.

7.0 Free plan · paid from $25/mo Visit site
13

Xano

Free plan AndroidAPIiPhone+2

6.9 Free plan · paid from $85/mo (annual) Visit site
14

Parse Platform

Free plan AndroidAPIiPhone+3

Parse Platform offers a broad, deployable backend with APIs, Cloud Code, authentication, real-time features, and multiple storage choices.

6.8 Open source Visit site
15

Azure App Service

Free plan LinuxWebWindows

6.6 Free plan Visit site
16

Firebase Test Lab

Free plan Web

Choose Firebase Test Lab if you need cloud-based mobile testing for its listed targets, particularly with CI/CD integration.

6.0 Free plan Visit site
17

Butterbase

Free plan Web

5.9 Free plan · paid from $19/mo Visit site
18

Snowclone

Free plan Linux

5.5 Free plan Visit site
19

AWS Amplify Hosting

Paid Web

4.4 From $0.01 Visit site
20

Tinker

Paid LinuxWeb

3.9 Open source Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

Use free-plan limits, entry paid prices, database type, deployment model, and supported platforms when comparing tools. Confirm that a free plan or trial meets your requirements, and inspect the licence when access to or modification of code matters.

Questions

How is Backend as a Service (BaaS) software defined?

BaaS software hosts backend capabilities such as databases, authentication, serverless functions, realtime updates, file storage, and APIs.

Do BaaS tools have free plans?

Look for a free plan, and check its limits and included services before choosing a tool.

What platforms do these BaaS tools support?

The listed tools cover web, API, self-hosted, iOS, Android, and Linux options. Review the entry for your intended tool to verify platform support.

How should I compare BaaS pricing?

Compare the pricing model, free-plan terms, and paid starting price. Listed examples start at $5 per month, $25 per month, $29.99 per month, $0.01, or $99 per year.

Should I check an open-source licence?

Yes. When you need to read, modify, or self-host code, examine the applicable licence and its conditions before selecting a tool.

Questions

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