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Loader.io VS API Tester

Compare Loader.io VS API Tester and see what are their differences

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Loader.io logo Loader.io

Loader.io is a simple cloud-based load testing service

API Tester logo API Tester

API Tester is the first mobile app to test any type of API on the go. Including REST, GraphQL, WebSocket, SOAP, JSON RPC, XML, HTTP, HTTPS.
  • Loader.io Landing page
    Landing page //
    2021-09-26
  • API Tester Landing page
    Landing page //
    2023-09-06

Main features: - All types of HTTP requests: GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS, COPY, LINK, UNLINK, PURGE, LOCK, UNLOCK, PROPFIND, VIEW. - Powerful GraphQL editor with full-scale experience: body editor with Queries, Mutations, Subscriptions and syntax support; variables editor; documentation explorer; request settings and metadata. - WebSocket testing tool. Handles connection and message exchange via WS or WSS. - API calls with any kind of request data encoding and transfer type (query params, URLEncoded params, FormData, raw data, send files from device storage, cloud, remote server). - Settings. TLS can be skipped, redirects can be disabled, timeouts are adjustable. Weak SSL verification can be enabled and replaced with self-signed certificate. - Import request or collection by curl, link or file from your device. And naturally, there is any type of collection for you: Swagger, OpenAPI, Postman, YAML. - Need to share request in seconds? One tap and done. Deep link and cURL command supported. - Integrations: Shortcuts, Widgets, Apple Watch app.

Additional little things: - Autocomplete for most common headers keys. - Syntax highlighting; Auto formatting. - Optimized for viewing on any device screen. - Cookies. Collect, edit, create. - Request metrics. Measure request duration, response size, status code changing. - History of all request calls. - Request authorisation. Basic Auth with password and username. OAuth with header or query access token.

Loader.io

Website
loader.io
Pricing URL
Official Loader.io Pricing
$ Details
-
Platforms
-
Edit details

API Tester

Website
apitester.org
Pricing URL
-
$ Details
free
Platforms
iOS Android Mac OSX
Edit details

Loader.io features and specs

  • Ease of Use
    Loader.io offers a straightforward and intuitive user interface, making it easy for users to set up and run load tests without a steep learning curve.
  • Quick Test Setup
    With Loader.io, you can quickly set up load tests by simply verifying your website, inputting the target URL, and defining parameters such as duration and the number of clients.
  • Scalability
    Loader.io allows you to scale your tests from a few clients to hundreds of thousands, accommodating different testing needs.
  • Free Tier
    Loader.io offers a free tier that allows users to perform basic load testing, which is great for small projects or initial testing phases.
  • Integration
    Loader.io integrates well with other services and CI/CD pipelines, enabling automated performance testing as part of your development workflow.

Possible disadvantages of Loader.io

  • Limited Test Duration
    The free tier and some lower-tier plans have limitations on the duration of load tests, which might not be sufficient for testing long-running processes.
  • Complex Scenarios
    Loader.io may not support highly complex testing scenarios out-of-the-box, such as tests requiring advanced scripting or multi-step transactions.
  • Resource Limitations
    High concurrency and load levels may require higher-tier plans, which can become costly for larger-scale testing.
  • Geographic Limitations
    There may be limitations on the geographical distribution of clients, which could affect tests intended to simulate traffic from varied regions.
  • Reporting
    While Loader.io provides basic reporting, it may lack the depth and customization options offered by some other performance testing tools, such as detailed analytics and advanced visualization features.

API Tester features and specs

  • GraphQL
  • Websocket
  • Debugging APIs

Analysis of Loader.io

Overall verdict

  • Yes, Loader.io is considered to be a good tool for load testing due to its ease of use, effectiveness, and robust feature set. It offers a free tier which is beneficial for smaller projects or for initial testing needs, expanding to paid plans for more intensive services.

Why this product is good

  • Loader.io is a useful tool for load testing your web applications. It allows developers and testers to simulate thousands of connections to an application, helping to ensure its reliability and performance under stress. It is cloud-based, simple to set up, and integrates well with various CI/CD tools. Its user-friendly interface and ability to test different scenarios make it a popular choice among many developers and organizations.

Recommended for

  • Startups and small businesses looking for an easy-to-use load testing tool
  • Development teams requiring performance testing integration within CI/CD pipelines
  • Organizations wanting to conduct basic to intermediate level load testing in a cost-effective manner
  • Projects that need to simulate user activity and web traffic to identify potential bottlenecks

Loader.io videos

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API Tester videos

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7 Reasons Why You Should Become An API Tester | 100% Salary Hike Possible? | TheTestingAcademy

More videos:

  • Review - Talend API Tester: Technical Overview
  • Tutorial - How To Use DevTools As an API Tester? | API Testing Tutorial | Day 29

Category Popularity

0-100% (relative to Loader.io and API Tester)

Loader.io

API Tester

Monitoring Tools
100 100%
Monitoring Tools
0% 0
Developer Tools
37 37%
Developer Tools
63% 63
Website Testing
100 100%
Website Testing
0% 0
APIs
0 0%
APIs
100% 100

User comments

Share your experience with using Loader.io and API Tester. For example, how are they different and which one is better?
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Social recommendations and mentions

Loader.io might be a bit more popular than API Tester. We know about 22 links to it since March 2021 and only 18 links to API Tester. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Loader.io mentions (22)

  • express server failing after high number of requests in digital ocean droplet with high configuration
    I wanted to see how many requests can this server handle, so I have used loader.io and run10k requests for 15 seconds. But it seems 20% percent of request fail due to timeout, and the response time keep increasing. Source: almost 2 years ago
  • Why everyone says PostgreSQL better then mongo?
    I ran on the same hardware 5k current get requests through https://loader.io/ tool to the server with each db. Source: over 2 years ago
  • free-for.dev
    Loader.io — Free load testing tools with limitations. - Source: dev.to / over 2 years ago
  • How to stress test my website?
    We put 50 servers of puppets against 50 http servers and see who wins. Ever had 10,000 in your checkout line at once? loader.io is for posers. Also what if there's 250,000 wanting to join the checkout line. Well we can scale to the moon and not handle that. I recommend a waiting room like Queue It. Source: almost 3 years ago
  • Best Way to Benchmark Web Hosting?
    I've used what you said, identical setups (with Wordpress) and some plugins: WordPress Hosting Benchmark tool and WP Performance Tester plus some runs with loader.io. Source: almost 3 years ago
View more

API Tester mentions (18)

  • How to Test APIs for Beginners-API Testing Best Practices🔥
    Manual API testing involves directly interacting with the API using tools like Apidog, API Tester or any other available online tools. - Source: dev.to / 4 months ago
  • All about Postman Collection
    You can also import this collection to the mobile app and test it. This is possible by using the API Tester. - Source: dev.to / over 1 year ago
  • Defect life cycle in API testing ⚙️
    It is worth noting that detecting bugs is not as simple as it may appear at first.That’s why developers and testers must have good testing tools for this. I suggest you try API Tester; you’ll love it! - Source: dev.to / over 2 years ago
  • Status codes in API Testing🆗🆘
    How successful response code looks like in API Tester app. - Source: dev.to / over 2 years ago
  • Top 5 cryptocurrency APIs for developers ©️
    Do you know what is common to all the aforementioned APIs? You can easily access any of them by using the greatest app – API Tester :). - Source: dev.to / over 2 years ago
View more

What are some alternatives?

When comparing Loader.io and API Tester, you can also consider the following products

locust - An open source load testing tool written in Python.

Postman - The Collaboration Platform for API Development

Apache JMeter - Apache JMeter™.

Insomnia REST - Design, debug, test, and mock APIs locally, on Git, or cloud. Build better APIs collaboratively for the most popular protocols with a dev‑friendly UI, built-in automation, and an extensible plugin ecosystem.

k6 Cloud - Managed load testing service built on top of the popular open-source project k6.

Hoppscotch - Open source API development ecosystem

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